Split off OpenBSD code into a separate implementation

Move OpenBSD code into its own sysdeps directory. The changes from
bsd/ were becoming to hard to maintain as a #ifdef tree. This is
what's currently being distributed as part of OpenBSD ports.

40 files changed, 3600 insertions, 2 deletions

diff --git a/configure.in b/configure.in
index cb87a2bf..ad20de2f 100644
--- a/configure.in
+++ b/configure.in
@@ -385,6 +385,7 @@ sysdeps/aix/Makefile
 sysdeps/bsd/Makefile
 sysdeps/darwin/Makefile
 sysdeps/cygwin/Makefile
+sysdeps/openbsd/Makefile
 src/Makefile
 src/daemon/Makefile
 lib/Makefile
diff --git a/libgtop-sysdeps.m4 b/libgtop-sysdeps.m4
index e960caee..7ef66395 100644
--- a/libgtop-sysdeps.m4
+++ b/libgtop-sysdeps.m4
@@ -69,12 +69,18 @@ AC_DEFUN([GNOME_LIBGTOP_SYSDEPS],[
 	  libgtop_sysdeps_private_mountlist=yes
 	  libgtop_sysdeps_private_fsusage=yes
 	  ;;
-	netbsd*|openbsd*|bsdi*)
+	netbsd*|bsdi*)
 	  libgtop_sysdeps_dir=bsd
 	  libgtop_use_machine_h=yes
 	  libgtop_need_server=yes
 	  libgtop_postinstall='chgrp kmem $(bindir)/libgtop_server2 && chmod 2755 $(bindir)/libgtop_server2'
 	  ;;
+	openbsd*)
+	  libgtop_sysdeps_dir=openbsd
+	  libgtop_use_machine_h=yes
+	  libgtop_need_server=yes
+	  libgtop_postinstall='chgrp kmem $(bindir)/libgtop_server2 && chmod 2555 $(bindir)/libgtop_server2'
+	  ;;
 	freebsd*|kfreebsd*)
 	  libgtop_sysdeps_dir=freebsd
 	  libgtop_use_machine_h=yes
diff --git a/sysdeps/Makefile.am b/sysdeps/Makefile.am
index 7057f1f3..163c0087 100644
--- a/sysdeps/Makefile.am
+++ b/sysdeps/Makefile.am
@@ -2,4 +2,5 @@
 SUBDIRS			= common @sysdeps_dir@
 
 DIST_SUBDIRS		= bsd common linux osf1 \
-			  stub stub_suid sun4 freebsd solaris aix darwin cygwin
+			  stub stub_suid sun4 freebsd solaris aix darwin \
+			  cygwin openbsd
diff --git a/sysdeps/openbsd/AUTHORS b/sysdeps/openbsd/AUTHORS
new file mode 100644
index 00000000..2b0f17f1
--- /dev/null
+++ b/sysdeps/openbsd/AUTHORS
@@ -0,0 +1,7 @@
+Martin Baulig (martin@home-of-linux.org)
+Josh Sled (jsled@scam.XCF.Berkeley.EDU)
+
+Contributions/bugfixes by:
+Antoine Jacoutot <ajacoutot@openbsd.org>
+Ariane van der Steldt <ariane@stack.nl>
+Jasper Lievisse Adriaanse <jasper@openbsd.org>
diff --git a/sysdeps/openbsd/Makefile.am b/sysdeps/openbsd/Makefile.am
new file mode 100644
index 00000000..c21ac2fc
--- /dev/null
+++ b/sysdeps/openbsd/Makefile.am
@@ -0,0 +1,25 @@
+# $OpenBSD: Makefile.am,v 1.2 2011/05/23 19:35:52 jasper Exp $
+
+INCLUDES			= @INCLUDES@
+
+noinst_LTLIBRARIES		= libgtop_sysdeps-2.0.la libgtop_sysdeps_suid-2.0.la
+
+libgtop_sysdeps_2_0_la_SOURCES	= nosuid.c siglist.c sysinfo.c
+
+libgtop_sysdeps_2_0_la_LDFLAGS	= $(LT_VERSION_INFO)
+
+libgtop_sysdeps_suid_2_0_la_LIBADD	= $(KVM_LIBS)
+libgtop_sysdeps_suid_2_0_la_SOURCES	= open.c close.c cpu.c mem.c swap.c \
+				  uptime.c loadavg.c shm_limits.c msg_limits.c \
+				  sem_limits.c proclist.c procstate.c procuid.c \
+				  proctime.c procmem.c procsignal.c prockernel.c \
+				  procsegment.c procargs.c procmap.c netlist.c \
+				  netload.c ppp.c procopenfiles.c fsusage.c \
+				  procwd.c procaffinity.c glibtop_private.c
+
+libgtop_sysdeps_suid_2_0_la_LDFLAGS	= $(LT_VERSION_INFO)
+
+libgtopinclude_HEADERS		= glibtop_server.h glibtop_machine.h \
+				  glibtop_suid.h glibtop_private.h
+
+libgtopincludedir		= $(includedir)/libgtop-2.0
diff --git a/sysdeps/openbsd/close.c b/sysdeps/openbsd/close.c
new file mode 100644
index 00000000..627cb2f5
--- /dev/null
+++ b/sysdeps/openbsd/close.c
@@ -0,0 +1,32 @@
+/* $OpenBSD: close.c,v 1.2 2011/05/23 19:35:53 jasper Exp $	*/
+
+/* Copyright (C) 1998 Joshua Sled
+   This file is part of LibGTop 1.0.
+
+   Contributed by Joshua Sled <jsled@xcf.berkeley.edu>, July 1998.
+
+   LibGTop is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License,
+   or (at your option) any later version.
+
+   LibGTop is distributed in the hope that it will be useful, but WITHOUT
+   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+   for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with LibGTop; see the file COPYING. If not, write to the
+   Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.
+*/
+
+#include <config.h>
+#include <glibtop.h>
+#include <glibtop/close.h>
+
+/* Closes pipe to gtop server. */
+
+void
+glibtop_close_p (glibtop *server)
+{ }
diff --git a/sysdeps/openbsd/cpu.c b/sysdeps/openbsd/cpu.c
new file mode 100644
index 00000000..a018b726
--- /dev/null
+++ b/sysdeps/openbsd/cpu.c
@@ -0,0 +1,109 @@
+/* $OpenBSD: cpu.c,v 1.4 2011/05/24 12:37:15 jasper Exp $	*/
+
+/* Copyright (C) 1998 Joshua Sled
+   This file is part of LibGTop 1.0.
+
+   Contributed by Joshua Sled <jsled@xcf.berkeley.edu>, July 1998.
+
+   LibGTop is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License,
+   or (at your option) any later version.
+
+   LibGTop is distributed in the hope that it will be useful, but WITHOUT
+   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+   for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with LibGTop; see the file COPYING. If not, write to the
+   Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.
+*/
+
+#include <config.h>
+#include <glibtop.h>
+#include <glibtop/error.h>
+#include <glibtop/cpu.h>
+
+#include <glibtop_suid.h>
+
+#include <sys/sched.h>
+
+static const unsigned long _glibtop_sysdeps_cpu =
+(1L << GLIBTOP_CPU_TOTAL) + (1L << GLIBTOP_CPU_USER) +
+(1L << GLIBTOP_CPU_NICE) + (1L << GLIBTOP_CPU_SYS) +
+(1L << GLIBTOP_CPU_IDLE) + (1L << GLIBTOP_CPU_FREQUENCY) +
+(1L << GLIBTOP_CPU_IOWAIT);
+
+/* MIB array for sysctl */
+static int mib_length=2;
+static int mib [] = { CTL_KERN, KERN_CLOCKRATE };
+static int mib2 [] = { CTL_KERN, KERN_CPTIME };
+
+/* Init function. */
+
+void
+_glibtop_init_cpu_p (glibtop *server)
+{
+	server->sysdeps.cpu = _glibtop_sysdeps_cpu;
+}
+
+/* Provides information about cpu usage. */
+
+void
+glibtop_get_cpu_p (glibtop *server, glibtop_cpu *buf)
+{
+	guint64 cpts [CPUSTATES];
+
+	/* sysctl vars*/
+	struct clockinfo ci;
+	size_t length;
+
+	glibtop_init_p (server, (1L << GLIBTOP_SYSDEPS_CPU), 0);
+
+	memset (buf, 0, sizeof (glibtop_cpu));
+
+	/* If this fails, the nlist may not be valid. */
+	if (server->sysdeps.cpu == 0)
+		return;
+
+	length = sizeof (cpts);
+	if (sysctl (mib2, mib_length, cpts, &length, NULL, 0)) {
+		glibtop_warn_io_r (server, "sysctl");
+		return;
+	}
+
+	/* Get the clockrate data */
+	length = sizeof (struct clockinfo);
+	if (sysctl (mib, mib_length, &ci, &length, NULL, 0)) {
+		glibtop_warn_io_r (server, "sysctl");
+		return;
+	}
+
+	/* set user time */
+	buf->user = cpts [CP_USER];
+	/* set nice time */
+	buf->nice = cpts [CP_NICE];
+	/* set sys time */
+	buf->sys = cpts [CP_SYS];
+	/* set idle time */
+	buf->idle = cpts [CP_IDLE];
+	/* set iowait (really just interrupt) time */
+	buf->iowait = cpts [CP_INTR];
+
+	/* set frequency */
+	/*
+	   FIXME --  is hz, tick, profhz or stathz wanted?
+	   buf->frequency = sysctl("kern.clockrate", ...);
+
+	   struct clockinfo
+	*/
+	buf->frequency = ci.hz;
+	/* set total */
+	buf->total = cpts [CP_USER] + cpts [CP_NICE]
+		+ cpts [CP_SYS] + cpts [CP_IDLE];
+
+	/* Set the flags last. */
+	buf->flags = _glibtop_sysdeps_cpu;
+}
diff --git a/sysdeps/openbsd/fsusage.c b/sysdeps/openbsd/fsusage.c
new file mode 100644
index 00000000..5ffc4333
--- /dev/null
+++ b/sysdeps/openbsd/fsusage.c
@@ -0,0 +1,58 @@
+/* $OpenBSD: fsusage.c,v 1.3 2011/05/23 19:35:53 jasper Exp $	*/
+
+#include <config.h>
+
+#undef HAVE_SYS_STATVFS_H
+#undef STAT_STATVFS
+
+#include <glibtop.h>
+#include <glibtop/error.h>
+#include <glibtop/fsusage.h>
+
+#include <glibtop_suid.h>
+
+#include <glib.h>
+
+#include <unistd.h>
+#include <sys/param.h>
+#if defined (HAVE_SYS_STATVFS_H)
+#include <sys/statvfs.h>
+#else
+#include <sys/mount.h>
+#endif
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+void
+_glibtop_bsd_get_fsusage_read_write(glibtop *server,
+				      glibtop_fsusage *buf,
+				      const char *path);
+
+void
+_glibtop_bsd_get_fsusage_read_write(glibtop *server,
+				      glibtop_fsusage *buf,
+				      const char *path)
+{
+	int result;
+#if defined (STAT_STATVFS)
+	struct statvfs sfs;
+#else
+	struct statfs sfs;
+#endif
+
+#if defined (STAT_STATVFS)
+	result = statvfs (path, &sfs);
+#else
+	result = statfs (path, &sfs);
+#endif
+
+	if (result == -1) {
+		return;
+	}
+
+	buf->read = sfs.f_syncreads + sfs.f_asyncreads;
+	buf->write = sfs.f_syncwrites + sfs.f_asyncwrites;
+	buf->flags |= (1 << GLIBTOP_FSUSAGE_READ) | (1 << GLIBTOP_FSUSAGE_WRITE);
+}
diff --git a/sysdeps/openbsd/glibtop_machine.h b/sysdeps/openbsd/glibtop_machine.h
new file mode 100644
index 00000000..6d31bb9b
--- /dev/null
+++ b/sysdeps/openbsd/glibtop_machine.h
@@ -0,0 +1,55 @@
+/* $OpenBSD: glibtop_machine.h,v 1.3 2011/05/23 19:35:53 jasper Exp $	*/
+
+/* Copyright (C) 1998-99 Martin Baulig
+   This file is part of LibGTop 1.0.
+
+   Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
+
+   LibGTop is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License,
+   or (at your option) any later version.
+
+   LibGTop is distributed in the hope that it will be useful, but WITHOUT
+   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+   for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with LibGTop; see the file COPYING. If not, write to the
+   Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.
+*/
+
+#ifndef __GLIBTOP_MACHINE_H__
+#define __GLIBTOP_MACHINE_H__
+
+#include <sys/param.h>
+#include <nlist.h>
+#include <kvm.h>
+#include <sys/dkstat.h>
+#include <time.h>
+#include <sys/user.h>
+#include <sys/types.h>
+#include <sys/sysctl.h>
+
+#include <fcntl.h>
+
+G_BEGIN_DECLS
+
+typedef struct _glibtop_machine glibtop_machine;
+
+struct _glibtop_machine
+{
+	uid_t uid, euid;
+	gid_t gid, egid;
+
+	/* The kernel descriptor, used by kvm_* calls.  We keep and re-use
+	 * it rather than re-getting it for almost all function
+	 * invocations. */
+	kvm_t *kd;
+};
+
+G_END_DECLS
+
+#endif /* __GLIBTOP_MACHINE_H__ */
diff --git a/sysdeps/openbsd/glibtop_private.c b/sysdeps/openbsd/glibtop_private.c
new file mode 100644
index 00000000..9c0b9067
--- /dev/null
+++ b/sysdeps/openbsd/glibtop_private.c
@@ -0,0 +1,56 @@
+/* $OpenBSD: glibtop_private.c,v 1.2 2011/05/23 19:35:53 jasper Exp $	*/
+
+#include <config.h>
+#include <glibtop.h>
+#include <glibtop/error.h>
+
+#include "glibtop_private.h"
+
+#include <sys/types.h>
+#include <unistd.h>
+#include <string.h>
+#include <glib.h>
+#include <errno.h>
+
+char *
+execute_lsof(pid_t pid) {
+	char *output = NULL;
+	char *lsof;
+	char *command;
+	int   exit_status;
+
+	lsof = g_find_program_in_path("lsof");
+	if (lsof == NULL)
+		return NULL;
+
+	command = g_strdup_printf("%s -n -P -Fftn -p %d", lsof, pid);
+	g_free(lsof);
+
+	if (g_spawn_command_line_sync (command, &output, NULL, &exit_status, NULL)) {
+		if (exit_status != 0) {
+			g_warning("Could not execute \"%s\" (%i)\nMake sure lsof(8) is installed sgid kmem.",
+				   command, exit_status);
+			output = NULL;
+		}
+	}
+
+	g_free(command);
+	return output;
+}
+
+/* Ported from linux/glibtop_private.c */
+gboolean
+safe_readlink(const char *path, char *buf, int bufsiz)
+{
+	int ret;
+
+	ret = readlink(path, buf, bufsiz - 1);
+
+	if (ret == -1) {
+		g_warning("Could not read link %s : %s", path, strerror(errno));
+		return FALSE;
+	}
+
+	buf[ret] = '\0';
+	return TRUE;
+}
diff --git a/sysdeps/openbsd/glibtop_private.h b/sysdeps/openbsd/glibtop_private.h
new file mode 100644
index 00000000..5e546382
--- /dev/null
+++ b/sysdeps/openbsd/glibtop_private.h
@@ -0,0 +1,42 @@
+/* $OpenBSD: glibtop_private.h,v 1.2 2011/05/23 19:35:53 jasper Exp $	*/
+
+/* Copyright (C) 2007 Joe Marcus Clarke
+   This file is part of LibGTop 2.0.
+
+   LibGTop is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License,
+   or (at your option) any later version.
+
+   LibGTop is distributed in the hope that it will be useful, but WITHOUT
+   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+   for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with LibGTop; see the file COPYING. If not, write to the
+   Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.
+*/
+
+#ifndef __OPENBSD__GLIBTOP_PRIVATE_H__
+#define __OPENBSD__GLIBTOP_PRIVATE_H__
+
+#include <glibtop.h>
+#include <glibtop/error.h>
+
+#include <glib.h>
+
+#include <sys/types.h>
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+
+G_BEGIN_DECLS
+
+char *execute_lsof(pid_t pid);
+gboolean safe_readlink(const char *path, char *buf, int bufsiz);
+
+G_END_DECLS
+
+#endif /* __OPENBSD__GLIBTOP_PRIVATE_H__ */
diff --git a/sysdeps/openbsd/glibtop_server.h b/sysdeps/openbsd/glibtop_server.h
new file mode 100644
index 00000000..8d6392d3
--- /dev/null
+++ b/sysdeps/openbsd/glibtop_server.h
@@ -0,0 +1,55 @@
+/* $OpenBSD: glibtop_server.h,v 1.2 2011/05/23 19:35:53 jasper Exp $	*/
+
+/* Copyright (C) 1998-99 Martin Baulig
+   This file is part of LibGTop 1.0.
+
+   Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
+
+   LibGTop is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License,
+   or (at your option) any later version.
+
+   LibGTop is distributed in the hope that it will be useful, but WITHOUT
+   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+   for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with LibGTop; see the file COPYING. If not, write to the
+   Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.
+*/
+
+#ifndef __GLIBTOP_SERVER_H__
+#define __GLIBTOP_SERVER_H__
+
+G_BEGIN_DECLS
+
+#define GLIBTOP_SUID_CPU		(1 << GLIBTOP_SYSDEPS_CPU)
+#define GLIBTOP_SUID_MEM		(1 << GLIBTOP_SYSDEPS_MEM)
+#define GLIBTOP_SUID_SWAP		(1 << GLIBTOP_SYSDEPS_SWAP)
+#define GLIBTOP_SUID_UPTIME		(1 << GLIBTOP_SYSDEPS_UPTIME)
+#define GLIBTOP_SUID_LOADAVG		(1 << GLIBTOP_SYSDEPS_LOADAVG)
+#define GLIBTOP_SUID_SHM_LIMITS		(1 << GLIBTOP_SYSDEPS_SHM_LIMITS)
+#define GLIBTOP_SUID_MSG_LIMITS		(1 << GLIBTOP_SYSDEPS_MSG_LIMITS)
+#define GLIBTOP_SUID_SEM_LIMITS		(1 << GLIBTOP_SYSDEPS_SEM_LIMITS)
+#define GLIBTOP_SUID_PROCLIST		(1 << GLIBTOP_SYSDEPS_PROCLIST)
+#define GLIBTOP_SUID_PROC_STATE		(1 << GLIBTOP_SYSDEPS_PROC_STATE)
+#define GLIBTOP_SUID_PROC_UID		(1 << GLIBTOP_SYSDEPS_PROC_UID)
+#define GLIBTOP_SUID_PROC_MEM		(1 << GLIBTOP_SYSDEPS_PROC_MEM)
+#define GLIBTOP_SUID_PROC_TIME		(1 << GLIBTOP_SYSDEPS_PROC_TIME)
+#define GLIBTOP_SUID_PROC_SIGNAL	(1 << GLIBTOP_SYSDEPS_PROC_SIGNAL)
+#define GLIBTOP_SUID_PROC_KERNEL	(1 << GLIBTOP_SYSDEPS_PROC_KERNEL)
+#define GLIBTOP_SUID_PROC_SEGMENT	(1 << GLIBTOP_SYSDEPS_PROC_SEGMENT)
+#define GLIBTOP_SUID_PROC_ARGS		(1 << GLIBTOP_SYSDEPS_PROC_ARGS)
+#define GLIBTOP_SUID_PROC_MAP		(1 << GLIBTOP_SYSDEPS_PROC_MAP)
+#define GLIBTOP_SUID_NETLOAD		(1 << GLIBTOP_SYSDEPS_NETLOAD)
+#define GLIBTOP_SUID_NETLIST		0
+#define GLIBTOP_SUID_PPP		(1 << GLIBTOP_SYSDEPS_PPP)
+#define GLIBTOP_SUID_PROC_WD		0
+#define GLIBTOP_SUID_PROC_AFFINITY	0
+
+G_END_DECLS
+
+#endif
diff --git a/sysdeps/openbsd/glibtop_suid.h b/sysdeps/openbsd/glibtop_suid.h
new file mode 100644
index 00000000..91157190
--- /dev/null
+++ b/sysdeps/openbsd/glibtop_suid.h
@@ -0,0 +1,58 @@
+/* $OpenBSD: glibtop_suid.h,v 1.2 2011/05/23 19:35:53 jasper Exp $	*/
+
+/* Copyright (C) 1998-99 Martin Baulig
+   This file is part of LibGTop 1.0.
+
+   Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
+
+   LibGTop is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License,
+   or (at your option) any later version.
+
+   LibGTop is distributed in the hope that it will be useful, but WITHOUT
+   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+   for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with LibGTop; see the file COPYING. If not, write to the
+   Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.
+*/
+
+#ifndef __GLIBTOP_SUID_H__
+#define __GLIBTOP_SUID_H__
+
+G_BEGIN_DECLS
+
+#if _IN_LIBGTOP
+#include <sys/param.h>
+#endif
+
+#define KI_PROC(ki) (&(ki))->kp_proc)
+#define KI_EPROC(ki) (&(ki))->kp_eproc)
+
+#define FORCEUREAD	1
+#define UREADOK(ki)	(FORCEUREAD || (KI_PROC(ki)->p_flag & P_INMEM))
+
+static inline void glibtop_suid_enter (glibtop *server) {
+	setregid (server->machine.gid, server->machine.egid);
+};
+
+static inline void glibtop_suid_leave (glibtop *server) {
+	if (setregid (server->machine.egid, server->machine.gid))
+		_exit (1);
+};
+
+void
+glibtop_init_p (glibtop *server, const unsigned long features,
+		const unsigned flags);
+void
+glibtop_open_p (glibtop *server, const char *program_name,
+		const unsigned long features,
+		const unsigned flags);
+
+G_END_DECLS
+
+#endif
diff --git a/sysdeps/openbsd/loadavg.c b/sysdeps/openbsd/loadavg.c
new file mode 100644
index 00000000..5d20aee1
--- /dev/null
+++ b/sysdeps/openbsd/loadavg.c
@@ -0,0 +1,61 @@
+/* $OpenBSD: loadavg.c,v 1.2 2011/05/23 19:35:53 jasper Exp $	*/
+
+/* Copyright (C) 1998 Joshua Sled
+   This file is part of LibGTop 1.0.
+
+   Contributed by Joshua Sled <jsled@xcf.berkeley.edu>, July 1998.
+
+   LibGTop is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License,
+   or (at your option) any later version.
+
+   LibGTop is distributed in the hope that it will be useful, but WITHOUT
+   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+   for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with LibGTop; see the file COPYING. If not, write to the
+   Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.
+*/
+
+#include <config.h>
+#include <glibtop.h>
+#include <glibtop/error.h>
+#include <glibtop/loadavg.h>
+
+#include <glibtop_suid.h>
+
+static const unsigned long _glibtop_sysdeps_loadavg =
+(1L << GLIBTOP_LOADAVG_LOADAVG);
+
+/* Init function. */
+
+void
+_glibtop_init_loadavg_p (glibtop *server)
+{
+	server->sysdeps.loadavg = _glibtop_sysdeps_loadavg;
+}
+
+/* Provides load averange. */
+
+void
+glibtop_get_loadavg_p (glibtop *server, glibtop_loadavg *buf)
+{
+	double ldavg[3];
+	int i;
+
+	glibtop_init_p (server, (1L << GLIBTOP_SYSDEPS_LOADAVG), 0);
+
+	memset (buf, 0, sizeof (glibtop_loadavg));
+
+	getloadavg (ldavg, 3);
+
+	/* fill in the struct */
+	buf->flags = _glibtop_sysdeps_loadavg;
+	for (i = 0; i < 3; i++) {
+		buf->loadavg [i] = ldavg [i];
+	} /* end for */
+}
diff --git a/sysdeps/openbsd/mem.c b/sysdeps/openbsd/mem.c
new file mode 100644
index 00000000..3d90b97f
--- /dev/null
+++ b/sysdeps/openbsd/mem.c
@@ -0,0 +1,141 @@
+/* $OpenBSD: mem.c,v 1.8 2011/05/26 08:07:22 jasper Exp $	*/
+
+/* Copyright (C) 1998 Joshua Sled
+   This file is part of LibGTop 1.0.
+
+   Contributed by Joshua Sled <jsled@xcf.berkeley.edu>, July 1998.
+
+   LibGTop is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License,
+   or (at your option) any later version.
+
+   LibGTop is distributed in the hope that it will be useful, but WITHOUT
+   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+   for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with LibGTop; see the file COPYING. If not, write to the
+   Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.
+*/
+
+#include <config.h>
+#include <glibtop.h>
+#include <glibtop/error.h>
+#include <glibtop/mem.h>
+
+#include <glibtop_suid.h>
+
+#include <sys/sysctl.h>
+#include <sys/vmmeter.h>
+#include <uvm/uvm_extern.h>
+#include <uvm/uvm_param.h>
+
+static const unsigned long _glibtop_sysdeps_mem =
+(1L << GLIBTOP_MEM_TOTAL) + (1L << GLIBTOP_MEM_USED) +
+(1L << GLIBTOP_MEM_FREE) +
+(1L << GLIBTOP_MEM_SHARED) +
+(1L << GLIBTOP_MEM_BUFFER) +
+(1L << GLIBTOP_MEM_USER) + (1L << GLIBTOP_MEM_LOCKED);
+
+#ifndef LOG1024
+#define LOG1024		10
+#endif
+
+/* these are for getting the memory statistics */
+static int pageshift;		/* log base 2 of the pagesize */
+
+/* define pagetok in terms of pageshift */
+#define pagetok(size) ((size) << pageshift)
+
+/* nlist structure for kernel access */
+static struct nlist nlst [] = {
+	{ "_bufpages" },
+	{ 0 }
+};
+
+/* MIB array for sysctl */
+static int mib [] = { CTL_VM, VM_METER };
+static int mib_uvmexp [] = { CTL_VM, VM_UVMEXP };
+
+/* Init function. */
+
+void
+_glibtop_init_mem_p (glibtop *server)
+{
+	register int pagesize;
+
+	if (kvm_nlist (server->machine.kd, nlst) < 0) {
+		glibtop_warn_io_r (server, "kvm_nlist (mem)");
+		return;
+	}
+
+	/* get the page size and calculate pageshift from it */
+	pagesize = sysconf(_SC_PAGESIZE);
+	pageshift = 0;
+	while (pagesize > 1) {
+		pageshift++;
+		pagesize >>= 1;
+	}
+
+	/* we only need the amount of log(2)1024 for our conversion */
+	pageshift -= LOG1024;
+
+	server->sysdeps.mem = _glibtop_sysdeps_mem;
+}
+
+void
+glibtop_get_mem_p (glibtop *server, glibtop_mem *buf)
+{
+	struct vmtotal vmt;
+	size_t length_vmt;
+	struct uvmexp uvmexp;
+	size_t length_uvmexp;
+	u_int v_used_count;
+	u_int v_total_count;
+	u_int v_free_count;
+
+	glibtop_init_p (server, (1L << GLIBTOP_SYSDEPS_MEM), 0);
+
+	memset (buf, 0, sizeof (glibtop_mem));
+
+	if (server->sysdeps.mem == 0)
+		return;
+
+	/* Get the data from sysctl */
+	length_vmt = sizeof (vmt);
+	if (sysctl (mib, 2, &vmt, &length_vmt, NULL, 0)) {
+		glibtop_warn_io_r (server, "sysctl (vm.meter)");
+		return;
+	}
+
+	length_uvmexp = sizeof (uvmexp);
+	if (sysctl (mib_uvmexp, 2, &uvmexp, &length_uvmexp, NULL, 0)) {
+		glibtop_warn_io_r (server, "sysctl (uvmexp)");
+		return;
+	}
+
+	/*
+	 * t_arm = active real memory
+	 * t_rm = total real memory in use
+	 * t_free = free memory pages
+	 */
+	v_total_count = vmt.t_rm + vmt.t_free;
+	v_used_count = vmt.t_rm;
+	v_free_count = vmt.t_free;
+
+	/* convert memory stats to Kbytes */
+	buf->total = (guint64) pagetok (v_total_count) << LOG1024;
+	buf->used  = (guint64) pagetok (v_used_count) << LOG1024;
+	buf->free  = (guint64) pagetok (v_free_count) << LOG1024;
+	buf->locked = (guint64) pagetok (uvmexp.wired) << LOG1024;
+	buf->shared = (guint64) pagetok (vmt.t_rmshr) << LOG1024;
+	buf->buffer = 0;
+
+	buf->user = buf->total - buf->free - buf->shared - buf->buffer;
+
+	/* Set the values to return */
+	buf->flags = _glibtop_sysdeps_mem;
+}
diff --git a/sysdeps/openbsd/msg_limits.c b/sysdeps/openbsd/msg_limits.c
new file mode 100644
index 00000000..6bc122c2
--- /dev/null
+++ b/sysdeps/openbsd/msg_limits.c
@@ -0,0 +1,96 @@
+/* $OpenBSD: msg_limits.c,v 1.3 2011/05/23 19:35:54 jasper Exp $	*/
+
+/* Copyright (C) 1998-99 Martin Baulig
+   This file is part of LibGTop 1.0.
+
+   Contributed by Martin Baulig <martin@home-of-linux.org>, August 1998.
+
+   LibGTop is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License,
+   or (at your option) any later version.
+
+   LibGTop is distributed in the hope that it will be useful, but WITHOUT
+   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+   for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with LibGTop; see the file COPYING. If not, write to the
+   Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.
+*/
+
+#include <config.h>
+#include <glibtop.h>
+#include <glibtop/error.h>
+#include <glibtop/msg_limits.h>
+
+#include <glibtop_suid.h>
+
+/* Define the appropriate macro (if any) to get declaration of `struct
+ * msginfo'.  Needed on, at least, FreeBSD. */
+#if defined (STRUCT_MSGINFO_NEEDS_KERNEL)
+#define KERNEL 1
+#elif defined (STRUCT_MSGINFO_NEEDS__KERNEL)
+#define _KERNEL 1
+#endif
+
+#include <sys/ipc.h>
+#include <sys/msg.h>
+
+static const unsigned long _glibtop_sysdeps_msg_limits =
+(1L << GLIBTOP_IPC_MSGMAX) + (1L << GLIBTOP_IPC_MSGMNI) +
+(1L << GLIBTOP_IPC_MSGMNB) + (1L << GLIBTOP_IPC_MSGTQL) +
+(1L << GLIBTOP_IPC_MSGSSZ);
+
+/* The values in this structure never change at runtime, so we only
+ * read it once during initialization. We have to use the name `_msginfo'
+ * since `msginfo' is already declared external in <sys/msg.h>. */
+static struct msginfo _msginfo;
+
+/* nlist structure for kernel access */
+static struct nlist nlst [] = {
+	{ "_msginfo" },
+	{ 0 }
+};
+
+/* Init function. */
+
+void
+_glibtop_init_msg_limits_p (glibtop *server)
+{
+	if (kvm_nlist (server->machine.kd, nlst) < 0) {
+		glibtop_warn_io_r (server, "kvm_nlist (msg_limits)");
+		return;
+	}
+
+	if (kvm_read (server->machine.kd, nlst [0].n_value,
+		      &_msginfo, sizeof (_msginfo)) != sizeof (_msginfo)) {
+		glibtop_warn_io_r (server, "kvm_read (msginfo)");
+		return;
+	}
+
+	server->sysdeps.msg_limits = _glibtop_sysdeps_msg_limits;
+}
+
+/* Provides information about sysv ipc limits. */
+
+void
+glibtop_get_msg_limits_p (glibtop *server, glibtop_msg_limits *buf)
+{
+	glibtop_init_p (server, (1L << GLIBTOP_SYSDEPS_MSG_LIMITS), 0);
+
+	memset (buf, 0, sizeof (glibtop_msg_limits));
+
+	if (server->sysdeps.msg_limits == 0)
+		return;
+
+	buf->msgmax = _msginfo.msgmax;
+	buf->msgmni = _msginfo.msgmni;
+	buf->msgmnb = _msginfo.msgmnb;
+	buf->msgtql = _msginfo.msgtql;
+	buf->msgssz = _msginfo.msgtql;
+
+	buf->flags = _glibtop_sysdeps_msg_limits;
+}
diff --git a/sysdeps/openbsd/netlist.c b/sysdeps/openbsd/netlist.c
new file mode 100644
index 00000000..cb584c21
--- /dev/null
+++ b/sysdeps/openbsd/netlist.c
@@ -0,0 +1,68 @@
+/* $OpenBSD: netlist.c,v 1.2 2011/05/23 19:35:54 jasper Exp $	*/
+
+/*
+   This file is part of LibGTop 2.0.
+
+   LibGTop is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License,
+   or (at your option) any later version.
+
+   LibGTop is distributed in the hope that it will be useful, but WITHOUT
+   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+   for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with LibGTop; see the file COPYING. If not, write to the
+   Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.
+*/
+
+#include <config.h>
+#include <glibtop/netlist.h>
+#include <glibtop/error.h>
+
+#include <net/if.h>
+
+
+static const unsigned long _glibtop_sysdeps_netlist = (1 << GLIBTOP_NETLIST_NUMBER);
+
+/* Init function. */
+
+void
+_glibtop_init_netlist_s (glibtop *server)
+{
+	server->sysdeps.netlist = _glibtop_sysdeps_netlist;
+}
+
+
+char**
+glibtop_get_netlist_s (glibtop *server, glibtop_netlist *buf)
+{
+	struct if_nameindex *ifstart, *ifs;
+	GPtrArray *devices;
+
+	glibtop_init_s (&server, GLIBTOP_SYSDEPS_NETLIST, 0);
+
+	memset (buf, 0, sizeof (glibtop_netlist));
+
+	ifs = ifstart = if_nameindex();
+
+	devices = g_ptr_array_new();
+
+	while(ifs && ifs->if_name) {
+		g_ptr_array_add(devices, g_strdup(ifs->if_name));
+		buf->number++;
+		ifs++;
+	}
+
+	if_freenameindex(ifstart);
+
+	buf->flags = _glibtop_sysdeps_netlist;
+
+	g_ptr_array_add(devices, NULL);
+
+	return (char **) g_ptr_array_free(devices, FALSE);
+}
+
diff --git a/sysdeps/openbsd/netload.c b/sysdeps/openbsd/netload.c
new file mode 100644
index 00000000..579f951a
--- /dev/null
+++ b/sysdeps/openbsd/netload.c
@@ -0,0 +1,210 @@
+/* $OpenBSD: netload.c,v 1.3 2011/05/23 19:35:54 jasper Exp $	*/
+
+/* Copyright (C) 1998-99 Martin Baulig
+   This file is part of LibGTop 1.0.
+
+   Contributed by Martin Baulig <martin@home-of-linux.org>, October 1998.
+
+   LibGTop is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License,
+   or (at your option) any later version.
+
+   LibGTop is distributed in the hope that it will be useful, but WITHOUT
+   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+   for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with LibGTop; see the file COPYING. If not, write to the
+   Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.
+*/
+
+#include <config.h>
+#include <glibtop.h>
+#include <glibtop/error.h>
+#include <glibtop/netload.h>
+
+#include <glibtop_suid.h>
+
+#include <string.h>
+
+#include <net/if.h>
+#include <net/if_dl.h>
+#include <net/if_types.h>
+
+#ifdef HAVE_NET_IF_VAR_H
+#include <net/if_var.h>
+#endif
+
+#include <netinet/in.h>
+#include <netinet/in_var.h>
+
+static const unsigned long _glibtop_sysdeps_netload =
+(1L << GLIBTOP_NETLOAD_IF_FLAGS) +
+(1L << GLIBTOP_NETLOAD_PACKETS_IN) +
+(1L << GLIBTOP_NETLOAD_PACKETS_OUT) +
+(1L << GLIBTOP_NETLOAD_PACKETS_TOTAL) +
+(1L << GLIBTOP_NETLOAD_BYTES_IN) +
+(1L << GLIBTOP_NETLOAD_BYTES_OUT) +
+(1L << GLIBTOP_NETLOAD_BYTES_TOTAL) +
+(1L << GLIBTOP_NETLOAD_ERRORS_IN) +
+(1L << GLIBTOP_NETLOAD_ERRORS_OUT) +
+(1L << GLIBTOP_NETLOAD_ERRORS_TOTAL) +
+(1L << GLIBTOP_NETLOAD_COLLISIONS);
+
+static const unsigned _glibtop_sysdeps_netload_data =
+(1L << GLIBTOP_NETLOAD_ADDRESS) +
+(1L << GLIBTOP_NETLOAD_SUBNET) +
+(1L << GLIBTOP_NETLOAD_MTU);
+
+/* nlist structure for kernel access */
+static struct nlist nlst [] = {
+    { "_ifnet" },
+    { 0 }
+};
+
+/* Init function. */
+
+void
+_glibtop_init_netload_p (glibtop *server)
+{
+    server->sysdeps.netload = _glibtop_sysdeps_netload;
+
+    if (kvm_nlist (server->machine.kd, nlst) < 0)
+	glibtop_error_io_r (server, "kvm_nlist");
+}
+
+/* Provides Network statistics. */
+
+void
+glibtop_get_netload_p (glibtop *server, glibtop_netload *buf,
+		       const char *interface)
+{
+    struct ifnet ifnet;
+    u_long ifnetaddr, ifnetfound;
+    struct sockaddr *sa = NULL;
+    char name [32];
+
+    union {
+	struct ifaddr ifa;
+	struct in_ifaddr in;
+    } ifaddr;
+
+    glibtop_init_p (server, (1L << GLIBTOP_SYSDEPS_NETLOAD), 0);
+
+    memset (buf, 0, sizeof (glibtop_netload));
+
+    if (kvm_read (server->machine.kd, nlst [0].n_value,
+		  &ifnetaddr, sizeof (ifnetaddr)) != sizeof (ifnetaddr))
+	glibtop_error_io_r (server, "kvm_read (ifnet)");
+
+    while (ifnetaddr) {
+	struct sockaddr_in *sin;
+	register char *cp;
+	u_long ifaddraddr;
+
+	{
+	    ifnetfound = ifnetaddr;
+
+	    if (kvm_read (server->machine.kd, ifnetaddr, &ifnet,
+			  sizeof (ifnet)) != sizeof (ifnet))
+		    glibtop_error_io_r (server, "kvm_read (ifnetaddr)");
+
+	    g_strlcpy (name, ifnet.if_xname, sizeof(name));
+	    ifnetaddr = (u_long) ifnet.if_list.tqe_next;
+
+	    if (strcmp (name, interface) != 0)
+		    continue;
+
+	    ifaddraddr = (u_long) ifnet.if_addrlist.tqh_first;
+	}
+	if (ifnet.if_flags & IFF_UP)
+		buf->if_flags |= (1L << GLIBTOP_IF_FLAGS_UP);
+	if (ifnet.if_flags & IFF_BROADCAST)
+		buf->if_flags |= (1L << GLIBTOP_IF_FLAGS_BROADCAST);
+	if (ifnet.if_flags & IFF_DEBUG)
+		buf->if_flags |= (1L << GLIBTOP_IF_FLAGS_DEBUG);
+	if (ifnet.if_flags & IFF_LOOPBACK)
+		buf->if_flags |= (1L << GLIBTOP_IF_FLAGS_LOOPBACK);
+	if (ifnet.if_flags & IFF_POINTOPOINT)
+		buf->if_flags |= (1L << GLIBTOP_IF_FLAGS_POINTOPOINT);
+#ifdef IFF_DRV_RUNNING
+	if (ifnet.if_drv_flags & IFF_DRV_RUNNING)
+#else
+	if (ifnet.if_flags & IFF_RUNNING)
+#endif
+		buf->if_flags |= (1L << GLIBTOP_IF_FLAGS_RUNNING);
+	if (ifnet.if_flags & IFF_NOARP)
+		buf->if_flags |= (1L << GLIBTOP_IF_FLAGS_NOARP);
+	if (ifnet.if_flags & IFF_PROMISC)
+		buf->if_flags |= (1L << GLIBTOP_IF_FLAGS_PROMISC);
+	if (ifnet.if_flags & IFF_ALLMULTI)
+		buf->if_flags |= (1L << GLIBTOP_IF_FLAGS_ALLMULTI);
+#ifdef IFF_DRV_OACTIVE
+	if (ifnet.if_drv_flags & IFF_DRV_OACTIVE)
+#else
+	if (ifnet.if_flags & IFF_OACTIVE)
+#endif
+		buf->if_flags |= (1L << GLIBTOP_IF_FLAGS_OACTIVE);
+	if (ifnet.if_flags & IFF_SIMPLEX)
+		buf->if_flags |= (1L << GLIBTOP_IF_FLAGS_SIMPLEX);
+	if (ifnet.if_flags & IFF_LINK0)
+		buf->if_flags |= (1L << GLIBTOP_IF_FLAGS_LINK0);
+	if (ifnet.if_flags & IFF_LINK1)
+		buf->if_flags |= (1L << GLIBTOP_IF_FLAGS_LINK1);
+	if (ifnet.if_flags & IFF_LINK2)
+		buf->if_flags |= (1L << GLIBTOP_IF_FLAGS_LINK2);
+	if (ifnet.if_flags & IFF_MULTICAST)
+		buf->if_flags |= (1L << GLIBTOP_IF_FLAGS_MULTICAST);
+
+	buf->packets_in = ifnet.if_ipackets;
+	buf->packets_out = ifnet.if_opackets;
+	buf->packets_total = buf->packets_in + buf->packets_out;
+
+	buf->bytes_in = ifnet.if_ibytes;
+	buf->bytes_out = ifnet.if_obytes;
+	buf->bytes_total = buf->bytes_in + buf->bytes_out;
+
+	buf->errors_in = ifnet.if_ierrors;
+	buf->errors_out = ifnet.if_oerrors;
+	buf->errors_total = buf->errors_in + buf->errors_out;
+
+	buf->collisions = ifnet.if_collisions;
+	buf->flags = _glibtop_sysdeps_netload;
+
+	while (ifaddraddr) {
+	    if ((kvm_read (server->machine.kd, ifaddraddr, &ifaddr,
+			   sizeof (ifaddr)) != sizeof (ifaddr)))
+		glibtop_error_io_r (server, "kvm_read (ifaddraddr)");
+
+#define CP(x) ((char *)(x))
+	    cp = (CP(ifaddr.ifa.ifa_addr) - CP(ifaddraddr)) +
+		CP(&ifaddr);
+	    sa = (struct sockaddr *)cp;
+
+	    if (sa->sa_family == AF_LINK) {
+		struct sockaddr_dl *dl = (struct sockaddr_dl *) sa;
+
+		memcpy (buf->hwaddress, LLADDR (dl), sizeof (buf->hwaddress));
+		buf->flags |= GLIBTOP_NETLOAD_HWADDRESS;
+	    } else if (sa->sa_family == AF_INET) {
+		sin = (struct sockaddr_in *)sa;
+		buf->subnet = ifaddr.in.ia_netmask;
+		buf->address = sin->sin_addr.s_addr;
+		buf->mtu = ifnet.if_mtu;
+
+		buf->flags |= _glibtop_sysdeps_netload_data;
+	    } else if (sa->sa_family == AF_INET6) {
+		struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *) sa;
+
+		memcpy (buf->address6, &sin6->sin6_addr, sizeof (buf->address6));
+		buf->flags |= GLIBTOP_NETLOAD_ADDRESS6;
+	    }
+	    /* FIXME prefix6, scope6 */
+	    ifaddraddr = (u_long) ifaddr.ifa.ifa_list.tqe_next;
+	}
+	return;
+    }
+}
diff --git a/sysdeps/openbsd/nosuid.c b/sysdeps/openbsd/nosuid.c
new file mode 100644
index 00000000..81eccb60
--- /dev/null
+++ b/sysdeps/openbsd/nosuid.c
@@ -0,0 +1,38 @@
+/* $OpenBSD: nosuid.c,v 1.2 2011/05/23 19:35:54 jasper Exp $	*/
+
+/* Copyright (C) 1998-99 Martin Baulig
+   This file is part of LibGTop 1.0.
+
+   Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
+
+   LibGTop is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License,
+   or (at your option) any later version.
+
+   LibGTop is distributed in the hope that it will be useful, but WITHOUT
+   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+   for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with LibGTop; see the file COPYING. If not, write to the
+   Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.
+*/
+
+#include <config.h>
+#include <glibtop.h>
+#include <glibtop/open.h>
+#include <glibtop/close.h>
+
+void
+glibtop_open_s (glibtop *server,
+		const char *program_name,
+		const unsigned long features,
+		const unsigned flags)
+{ }
+
+void
+glibtop_close_s (glibtop *server)
+{ }
diff --git a/sysdeps/openbsd/open.c b/sysdeps/openbsd/open.c
new file mode 100644
index 00000000..d24bdd19
--- /dev/null
+++ b/sysdeps/openbsd/open.c
@@ -0,0 +1,95 @@
+/* $OpenBSD: open.c,v 1.4 2011/05/23 19:35:54 jasper Exp $	*/
+
+/* Copyright (C) 1998 Joshua Sled
+   This file is part of LibGTop 1.0.
+
+   Contributed by Joshua Sled <jsled@xcf.berkeley.edu>, July 1998.
+
+   LibGTop is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License,
+   or (at your option) any later version.
+
+   LibGTop is distributed in the hope that it will be useful, but WITHOUT
+   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+   for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with LibGTop; see the file COPYING. If not, write to the
+   Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.
+*/
+
+#include <config.h>
+#include <glibtop.h>
+#include <glibtop/error.h>
+#include <glibtop/open.h>
+#include <glibtop/init_hooks.h>
+
+/* !!! THIS FUNCTION RUNS SUID ROOT - CHANGE WITH CAUTION !!! */
+
+void
+glibtop_init_p (glibtop *server, const unsigned long features,
+		const unsigned flags)
+{
+	const _glibtop_init_func_t *init_fkt;
+
+	if (server == NULL)
+		glibtop_error_r (NULL, "glibtop_init_p (server == NULL)");
+
+	/* Do the initialization, but only if not already initialized. */
+
+	if ((server->flags & _GLIBTOP_INIT_STATE_SYSDEPS) == 0) {
+		glibtop_open_p (server, "glibtop", features, flags);
+
+		for (init_fkt = _glibtop_init_hook_p; *init_fkt; init_fkt++)
+			(*init_fkt) (server);
+
+		server->flags |= _GLIBTOP_INIT_STATE_SYSDEPS;
+	}
+}
+
+void
+glibtop_open_p (glibtop *server, const char *program_name,
+		const unsigned long features,
+		const unsigned flags)
+{
+#ifdef DEBUG
+	fprintf (stderr, "DEBUG (%d): glibtop_open_p ()\n", getpid ());
+#endif
+
+	/* !!! WE ARE ROOT HERE - CHANGE WITH CAUTION !!! */
+
+	server->machine.uid = getuid ();
+	server->machine.euid = geteuid ();
+	server->machine.gid = getgid ();
+	server->machine.egid = getegid ();
+
+	server->os_version_code = OpenBSD;
+
+	/* Setup machine-specific data */
+	server->machine.kd = kvm_open (NULL, NULL, NULL, O_RDONLY, "kvm_open");
+
+	if (server->machine.kd == NULL)
+		glibtop_error_io_r (server, "kvm_open");
+
+	/* Drop priviledges. */
+
+	if (setreuid (server->machine.euid, server->machine.uid))
+		_exit (1);
+
+	if (setregid (server->machine.egid, server->machine.gid))
+		_exit (1);
+
+	/* !!! END OF SUID ROOT PART !!! */
+
+	/* Our effective uid is now those of the user invoking the server,
+	 * so we do no longer have any priviledges. */
+
+	/* NOTE: On FreeBSD, we do not need to be suid root, we just need to
+	 * be sgid kmem.
+	 *
+	 * The server will only use setegid() to get back it's priviledges,
+	 * so it will fail if it is suid root and not sgid kmem. */
+}
diff --git a/sysdeps/openbsd/ppp.c b/sysdeps/openbsd/ppp.c
new file mode 100644
index 00000000..e1ac9887
--- /dev/null
+++ b/sysdeps/openbsd/ppp.c
@@ -0,0 +1,141 @@
+/* $OpenBSD: ppp.c,v 1.3 2011/05/23 19:35:54 jasper Exp $	*/
+
+/* Copyright (C) 1998-99 Martin Baulig
+   This file is part of LibGTop 1.0.
+
+   Contributed by Martin Baulig <martin@home-of-linux.org>, October 1998.
+
+   LibGTop is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License,
+   or (at your option) any later version.
+
+   LibGTop is distributed in the hope that it will be useful, but WITHOUT
+   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+   for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with LibGTop; see the file COPYING. If not, write to the
+   Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.
+*/
+
+#include <config.h>
+#include <glibtop.h>
+#include <glibtop/error.h>
+#include <glibtop/ppp.h>
+
+#include <glibtop_suid.h>
+
+#ifdef HAVE_I4B
+
+#include <net/if.h>
+#include <net/if_types.h>
+
+#ifdef HAVE_NET_IF_VAR_H
+#include <net/if_var.h>
+#endif
+
+#include <net/netisr.h>
+#include <net/route.h>
+
+#include <net/if_sppp.h>
+
+/* Read `misc/i4b_acct.txt' for details ... */
+#ifdef HAVE_I4B_ACCT
+#include <machine/i4b_acct.h>
+#endif
+
+static const unsigned long _glibtop_sysdeps_ppp =
+(1L << GLIBTOP_PPP_STATE);
+
+#ifdef HAVE_I4B_ACCT
+static const unsigned long _glibtop_sysdeps_ppp_acct =
+(1L << GLIBTOP_PPP_BYTES_IN) + (1L << GLIBTOP_PPP_BYTES_OUT);
+#endif
+
+#endif /* HAVE_I4B */
+
+/* nlist structure for kernel access */
+static struct nlist nlst [] = {
+#ifdef HAVE_I4B
+	{ "_i4bisppp_softc" },
+#endif
+	{ 0 }
+};
+
+/* Init function. */
+
+void
+_glibtop_init_ppp_p (glibtop *server)
+{
+#ifdef HAVE_I4B
+#ifdef HAVE_I4B_ACCT
+	server->sysdeps.ppp = _glibtop_sysdeps_ppp |
+		_glibtop_sysdeps_ppp_acct;
+#else
+	server->sysdeps.ppp = _glibtop_sysdeps_ppp;
+#endif
+#endif /* HAVE_I4B */
+
+	if (kvm_nlist (server->machine.kd, nlst) < 0)
+		glibtop_error_io_r (server, "kvm_nlist");
+}
+
+/* Provides information about ppp usage. */
+
+void
+glibtop_get_ppp_p (glibtop *server, glibtop_ppp *buf, unsigned short device)
+{
+#ifdef HAVE_I4B
+#ifdef HAVE_I4B_ACCT
+	struct i4bisppp_softc data;
+#else
+	struct sppp data;
+#endif
+	int phase;
+
+	glibtop_init_p (server, (1L << GLIBTOP_SYSDEPS_PPP), 0);
+
+	memset (buf, 0, sizeof (glibtop_ppp));
+
+	if (kvm_read (server->machine.kd, nlst [0].n_value,
+		      &data, sizeof (data)) != sizeof (data))
+		glibtop_error_io_r (server, "kvm_read (i4bisppp_softc)");
+
+#ifdef HAVE_I4B_ACCT
+	phase = data.sc_if_un.scu_sp.pp_phase;
+#else
+	/* FIXME: Which FreeBSD version have this field and
+	 *        which not. */
+#if 0
+	phase = data.pp_phase;
+#endif
+#endif
+
+	switch (phase) {
+#ifdef HAVE_I4B_ACCT
+	case PHASE_DEAD:
+	case PHASE_TERMINATE:
+		buf->state = GLIBTOP_PPP_STATE_HANGUP;
+		break;
+	case PHASE_ESTABLISH:
+	case PHASE_NETWORK:
+		buf->state = GLIBTOP_PPP_STATE_ONLINE;
+		break;
+#endif
+	default:
+		buf->state = GLIBTOP_PPP_STATE_UNKNOWN;
+		break;
+	}
+
+	buf->flags = _glibtop_sysdeps_ppp;
+
+#ifdef HAVE_I4B_ACCT
+	buf->bytes_in = data.sc_inb;
+	buf->bytes_out = data.sc_outb;
+	buf->flags |= _glibtop_sysdeps_ppp_acct;
+#endif
+#endif /* HAVE_I4B */
+}
diff --git a/sysdeps/openbsd/procaffinity.c b/sysdeps/openbsd/procaffinity.c
new file mode 100644
index 00000000..dcb27eff
--- /dev/null
+++ b/sysdeps/openbsd/procaffinity.c
@@ -0,0 +1,27 @@
+/*
+ * $OpenBSD: procaffinity.c,v 1.1 2009/10/16 10:56:04 jasper Exp $
+ * procaffinity stub.
+ */
+
+#include <config.h>
+#include <glibtop/procaffinity.h>
+#include <glibtop/error.h>
+
+
+void
+_glibtop_init_proc_affinity_s(glibtop *server)
+{
+  server->sysdeps.proc_affinity =
+    (1 << GLIBTOP_PROC_AFFINITY_NUMBER) |
+    (1 << GLIBTOP_PROC_AFFINITY_ALL);
+
+}
+
+
+guint16 *
+glibtop_get_proc_affinity_s(glibtop *server, glibtop_proc_affinity *buf, pid_t pid)
+{
+  memset(buf, 0, sizeof *buf);
+
+  return NULL;
+}
diff --git a/sysdeps/openbsd/procargs.c b/sysdeps/openbsd/procargs.c
new file mode 100644
index 00000000..900a3a2b
--- /dev/null
+++ b/sysdeps/openbsd/procargs.c
@@ -0,0 +1,101 @@
+/* $OpenBSD: procargs.c,v 1.3 2011/05/23 19:35:54 jasper Exp $	*/
+
+/* Copyright (C) 1998 Joshua Sled
+   This file is part of LibGTop 1.0.
+
+   Contributed by Joshua Sled <jsled@xcf.berkeley.edu>, July 1998.
+
+   LibGTop is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License,
+   or (at your option) any later version.
+
+   LibGTop is distributed in the hope that it will be useful, but WITHOUT
+   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+   for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with LibGTop; see the file COPYING. If not, write to the
+   Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.
+*/
+
+#include <config.h>
+#include <glibtop.h>
+#include <glibtop/error.h>
+#include <glibtop/procargs.h>
+
+#include <glibtop_suid.h>
+
+#include <kvm.h>
+#include <sys/param.h>
+#include <sys/proc.h>
+
+static const unsigned long _glibtop_sysdeps_proc_args =
+(1L << GLIBTOP_PROC_ARGS_SIZE);
+
+/* Init function. */
+
+void
+_glibtop_init_proc_args_p (glibtop *server)
+{
+	server->sysdeps.proc_args = _glibtop_sysdeps_proc_args;
+}
+
+/* Provides detailed information about a process. */
+
+char *
+glibtop_get_proc_args_p (glibtop *server, glibtop_proc_args *buf,
+			 pid_t pid, unsigned max_len)
+{
+	struct kinfo_proc2 *pinfo;
+	char *retval, **args, **ptr;
+	size_t size = 0, pos = 0;
+	int count;
+
+	glibtop_init_p (server, (1L << GLIBTOP_SYSDEPS_PROC_ARGS), 0);
+
+	memset (buf, 0, sizeof (glibtop_proc_args));
+
+	/* swapper, init, pagedaemon, vmdaemon, update - this doen't work. */
+	if (pid < 5) return NULL;
+
+	glibtop_suid_enter (server);
+
+	/* Get the process data */
+	pinfo = kvm_getproc2 (server->machine.kd, KERN_PROC_PID, pid,
+			       sizeof (*pinfo), &count);
+	if ((pinfo == NULL) || (count < 1)) {
+		glibtop_suid_leave (server);
+		glibtop_warn_io_r (server, "kvm_getprocs (%d)", pid);
+		return NULL;
+	}
+
+	args = kvm_getargv2 (server->machine.kd, pinfo, max_len);
+	if (args == NULL) {
+		glibtop_suid_leave (server);
+		glibtop_warn_io_r (server, "kvm_getargv (%d)", pid);
+		return NULL;
+	}
+
+	glibtop_suid_leave (server);
+
+	for (ptr = args; *ptr; ptr++)
+		size += strlen (*ptr)+1;
+
+	size += 2;
+	retval = g_malloc0 (size);
+
+	for (ptr = args; *ptr; ptr++) {
+		const size_t len = strlen (*ptr)+1;
+		memcpy (retval+pos, *ptr, len);
+		pos += len;
+	}
+
+	buf->size = pos ? pos-1 : 0;
+
+	buf->flags = _glibtop_sysdeps_proc_args;
+
+	return retval;
+}
diff --git a/sysdeps/openbsd/prockernel.c b/sysdeps/openbsd/prockernel.c
new file mode 100644
index 00000000..1031e8c1
--- /dev/null
+++ b/sysdeps/openbsd/prockernel.c
@@ -0,0 +1,95 @@
+/* $OpenBSD: prockernel.c,v 1.3 2011/05/23 19:35:55 jasper Exp $	*/
+
+/* Copyright (C) 1998 Joshua Sled
+   This file is part of LibGTop 1.0.
+
+   Contributed by Joshua Sled <jsled@xcf.berkeley.edu>, July 1998.
+
+   LibGTop is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License,
+   or (at your option) any later version.
+
+   LibGTop is distributed in the hope that it will be useful, but WITHOUT
+   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+   for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with LibGTop; see the file COPYING. If not, write to the
+   Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.
+*/
+
+#include <config.h>
+#include <glibtop.h>
+#include <glibtop/error.h>
+#include <glibtop/prockernel.h>
+
+#include <glibtop_suid.h>
+
+#include <kvm.h>
+#include <sys/param.h>
+#include <sys/sysctl.h>
+#include <sys/proc.h>
+#include <unistd.h>
+#include <fcntl.h>
+
+static const unsigned long _glibtop_sysdeps_proc_kernel_pstats =
+(1L << GLIBTOP_PROC_KERNEL_MIN_FLT) +
+(1L << GLIBTOP_PROC_KERNEL_MAJ_FLT);
+
+static const unsigned long _glibtop_sysdeps_proc_kernel_wchan =
+(1L << GLIBTOP_PROC_KERNEL_NWCHAN) +
+(1L << GLIBTOP_PROC_KERNEL_WCHAN);
+
+/* Init function. */
+
+void
+_glibtop_init_proc_kernel_p (glibtop *server)
+{
+	server->sysdeps.proc_kernel = _glibtop_sysdeps_proc_kernel_pstats |
+		_glibtop_sysdeps_proc_kernel_wchan;
+}
+
+void
+glibtop_get_proc_kernel_p (glibtop *server,
+			   glibtop_proc_kernel *buf,
+			   pid_t pid)
+{
+	struct kinfo_proc2 *pinfo;
+	int count;
+
+	char filename [BUFSIZ];
+	struct stat statb;
+
+	glibtop_init_p (server, (1L << GLIBTOP_SYSDEPS_PROC_KERNEL), 0);
+
+	memset (buf, 0, sizeof (glibtop_proc_kernel));
+
+	if (server->sysdeps.proc_time == 0)
+		return;
+
+	/* It does not work for the swapper task. */
+	if (pid == 0) return;
+
+	/* Get the process information */
+	pinfo = kvm_getproc2 (server->machine.kd, KERN_PROC_PID, pid,
+			      sizeof(*pinfo), &count);
+	if ((pinfo == NULL) || (count != 1)) {
+		glibtop_warn_io_r (server, "kvm_getprocs (%d)", pid);
+		return;
+	}
+
+	buf->nwchan = pinfo[0].p_wchan;
+	if (pinfo[0].p_wchan && pinfo[0].p_wmesg)
+		g_strlcpy(buf->wchan, pinfo[0].p_wmesg,
+			  sizeof buf->wchan);
+	
+	buf->min_flt = pinfo[0].p_uru_minflt;
+	buf->maj_flt = pinfo[0].p_uru_majflt;
+
+	buf->flags |= (_glibtop_sysdeps_proc_kernel_wchan
+		| _glibtop_sysdeps_proc_kernel_pstats);
+
+}
diff --git a/sysdeps/openbsd/proclist.c b/sysdeps/openbsd/proclist.c
new file mode 100644
index 00000000..b63c032b
--- /dev/null
+++ b/sysdeps/openbsd/proclist.c
@@ -0,0 +1,108 @@
+/* $OpenBSD: proclist.c,v 1.3 2011/05/23 19:35:55 jasper Exp $	*/
+
+/* Copyright (C) 1998 Joshua Sled
+   This file is part of LibGTop 1.0.
+
+   Contributed by Joshua Sled <jsled@xcf.berkeley.edu>, July 1998.
+
+   LibGTop is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License,
+   or (at your option) any later version.
+
+   LibGTop is distributed in the hope that it will be useful, but WITHOUT
+   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+   for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with LibGTop; see the file COPYING. If not, write to the
+   Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.
+*/
+
+#include <config.h>
+#include <glibtop.h>
+#include <glibtop/error.h>
+#include <glibtop/proclist.h>
+
+#include <glibtop_suid.h>
+
+static const unsigned long _glibtop_sysdeps_proclist =
+(1L << GLIBTOP_PROCLIST_TOTAL) + (1L << GLIBTOP_PROCLIST_NUMBER) +
+(1L << GLIBTOP_PROCLIST_SIZE);
+
+/* Fetch list of currently running processes.
+ * The interface of this function is a little bit different from the others:
+ * buf->flags is only set if the call succeeded, in this case pids_chain,
+ * a list of the pids of all currently running processes is returned,
+ * buf->number is the number of elements of this list and buf->size is
+ * the size of one single element (sizeof (unsigned)). The total size is
+ * stored in buf->total.
+ *
+ * The calling function has to free the memory to which a pointer is returned.
+ *
+ * IMPORTANT NOTE:
+ *   On error, this function MUST return NULL and set buf->flags to zero !
+ *   On success, it returnes a pointer to a list of buf->number elements
+ *   each buf->size big. The total size is stored in buf->total.
+ * The calling function has to free the memory to which a pointer is returned.
+ *
+ * On error, NULL is returned and buf->flags is zero. */
+
+/* Init function. */
+
+void
+_glibtop_init_proclist_p (glibtop *server)
+{
+	server->sysdeps.proclist = _glibtop_sysdeps_proclist;
+}
+
+pid_t *
+glibtop_get_proclist_p (glibtop *server, glibtop_proclist *buf,
+			gint64 real_which, gint64 arg)
+{
+	struct kinfo_proc2 *pinfo;
+	unsigned *pids = NULL;
+	int which, count;
+	int i,j;
+
+	glibtop_init_p (server, (1L << GLIBTOP_SYSDEPS_PROCLIST), 0);
+
+	memset (buf, 0, sizeof (glibtop_proclist));
+
+	which = (int)(real_which & GLIBTOP_KERN_PROC_MASK);
+
+	/* Get the process data */
+	pinfo = kvm_getproc2 (server->machine.kd, which, arg,
+			      sizeof (*pinfo), &count);
+	if ((pinfo == NULL) || (count < 1)) {
+		glibtop_warn_io_r (server, "kvm_getprocs (proclist)");
+		return NULL;
+	}
+	count--;
+
+	/* Allocate count objects in the pids_chain array
+	 * Same as malloc is pids is NULL, which it is. */
+	pids = g_realloc (pids, count * sizeof (unsigned));
+	/* Copy the pids over to this chain */
+	for (i=j=0; i < count; i++) {
+#define PROC_STAT	p_stat
+#define PROC_RUID	p_ruid
+#define PROC_PID	p_pid
+
+		if ((real_which & GLIBTOP_EXCLUDE_IDLE) &&
+		    (pinfo[i].PROC_STAT != SRUN))
+			continue;
+		else if ((real_which & GLIBTOP_EXCLUDE_SYSTEM) &&
+			 (pinfo[i].PROC_RUID == 0))
+			continue;
+		pids [j++] = (unsigned) pinfo[i].PROC_PID;
+	} /* end for */
+	/* Set the fields in buf */
+	buf->number = j;
+	buf->size = sizeof (unsigned);
+	buf->total = j * sizeof (unsigned);
+	buf->flags = _glibtop_sysdeps_proclist;
+	return pids;
+}
diff --git a/sysdeps/openbsd/procmap.c b/sysdeps/openbsd/procmap.c
new file mode 100644
index 00000000..acbd0fda
--- /dev/null
+++ b/sysdeps/openbsd/procmap.c
@@ -0,0 +1,296 @@
+/* $OpenBSD: procmap.c,v 1.4 2011/05/26 17:47:25 jasper Exp $	*/
+
+/* Copyright (C) 1998 Joshua Sled
+   This file is part of LibGTop 1.0.
+
+   Contributed by Joshua Sled <jsled@xcf.berkeley.edu>, July 1998.
+
+   LibGTop is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License,
+   or (at your option) any later version.
+
+   LibGTop is distributed in the hope that it will be useful, but WITHOUT
+   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+   for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with LibGTop; see the file COPYING. If not, write to the
+   Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.
+*/
+
+#include <config.h>
+#include <glibtop.h>
+#include <glibtop/error.h>
+#include <glibtop/procmap.h>
+
+#include <glibtop_suid.h>
+
+#include <kvm.h>
+#include <stdlib.h>
+#include <sys/param.h>
+#include <sys/proc.h>
+#include <sys/resource.h>
+#include <uvm/uvm_extern.h>
+
+#include <sys/vnode.h>
+#include <sys/mount.h>
+#include <ufs/ufs/quota.h>
+#include <ufs/ufs/inode.h>
+
+#include <sys/ucred.h>
+#include <sys/sysctl.h>
+
+#undef _KERNEL
+#define _UVM_UVM_AMAP_I_H_ 1
+#define _UVM_UVM_MAP_I_H_ 1
+#include <uvm/uvm.h>
+
+static const unsigned long _glibtop_sysdeps_proc_map =
+(1L << GLIBTOP_PROC_MAP_TOTAL) + (1L << GLIBTOP_PROC_MAP_NUMBER) +
+(1L << GLIBTOP_PROC_MAP_SIZE);
+
+static const unsigned long _glibtop_sysdeps_map_entry =
+(1L << GLIBTOP_MAP_ENTRY_START) + (1L << GLIBTOP_MAP_ENTRY_END) +
+(1L << GLIBTOP_MAP_ENTRY_OFFSET) + (1L << GLIBTOP_MAP_ENTRY_PERM) +
+(1L << GLIBTOP_MAP_ENTRY_INODE) + (1L << GLIBTOP_MAP_ENTRY_DEVICE);
+
+/* Local helper functions. */
+
+ssize_t	load_vmmap_entries(glibtop*, unsigned long, struct vm_map_entry**,
+	    struct vm_map_entry*);
+void	unload_vmmap_entries(struct vm_map_entry *);
+
+/* Init function. */
+
+void
+_glibtop_init_proc_map_p (glibtop *server)
+{
+	server->sysdeps.proc_map = _glibtop_sysdeps_proc_map;
+}
+
+/*
+ * Download vmmap_entries from the kernel into our address space.
+ * We fix up the addr tree while downloading.
+ *
+ * Returns: the size of the tree on succes, or -1 on failure.
+ * On failure, *rptr needs to be passed to unload_vmmap_entries to free
+ * the lot.
+ */
+ssize_t
+load_vmmap_entries(glibtop *server, unsigned long kptr,
+    struct vm_map_entry **rptr, struct vm_map_entry *parent)
+{
+	struct vm_map_entry *entry;
+	unsigned long left_kptr, right_kptr;
+	ssize_t left_sz;
+	ssize_t right_sz;
+
+	if (kptr == 0)
+		return 0;
+
+	/* Need space. */
+	entry = malloc(sizeof(*entry));
+	if (entry == NULL)
+		return -1;
+
+	/* Download entry at kptr. */
+	if (kvm_read (server->machine.kd, kptr,
+	    (char *)entry, sizeof(*entry)) != sizeof(*entry)) {
+		free(entry);
+		return -1;
+	}
+
+	/*
+	 * Update addr pointers to have sane values in this address space.
+	 * We save the kernel pointers in {left,right}_kptr, so we have them
+	 * available to download children.
+	 */
+	left_kptr = (unsigned long) RB_LEFT(entry, daddrs.addr_entry);
+	right_kptr = (unsigned long) RB_RIGHT(entry, daddrs.addr_entry);
+	RB_LEFT(entry, daddrs.addr_entry) =
+	    RB_RIGHT(entry, daddrs.addr_entry) = NULL;
+	/* Fill in parent pointer. */
+	RB_PARENT(entry, daddrs.addr_entry) = parent;
+
+	/*
+	 * Consistent state reached, fill in *rptr.
+	 */
+	*rptr = entry;
+
+	/*
+	 * Download left, right.
+	 * On failure, our map is in a state that can be handled by
+	 * unload_vmmap_entries.
+	 */
+	left_sz = load_vmmap_entries(server, left_kptr,
+	    &RB_LEFT(entry, daddrs.addr_entry), entry);
+	if (left_sz == -1)
+		return -1;
+	right_sz = load_vmmap_entries(server, right_kptr,
+	    &RB_RIGHT(entry, daddrs.addr_entry), entry);
+	if (right_sz == -1)
+		return -1;
+
+	return 1 + left_sz + right_sz;
+}
+
+/*
+ * Free the vmmap entries in the given tree.
+ */
+void
+unload_vmmap_entries(struct vm_map_entry *entry)
+{
+	if (entry == NULL)
+		return;
+
+	unload_vmmap_entries(RB_LEFT(entry, daddrs.addr_entry));
+	unload_vmmap_entries(RB_RIGHT(entry, daddrs.addr_entry));
+	free(entry);
+}
+
+/* Provides detailed information about a process. */
+
+glibtop_map_entry *
+glibtop_get_proc_map_p (glibtop *server, glibtop_proc_map *buf,
+			pid_t pid)
+{
+	struct kinfo_proc2 *pinfo;
+	struct vm_map_entry *entry;
+	struct uvm_map_addr root;
+	struct vmspace vmspace;
+	struct vnode vnode;
+	struct inode inode;
+	ssize_t nentries;
+	GArray *maps = g_array_sized_new(FALSE, FALSE,
+					 sizeof(glibtop_map_entry),
+					 100);
+	int count, i = 0;
+
+	glibtop_init_p (server, (1L << GLIBTOP_SYSDEPS_PROC_MAP), 0);
+
+	memset (buf, 0, sizeof (glibtop_proc_map));
+
+	/* It does not work for the swapper task. */
+	if (pid == 0) return (glibtop_map_entry*) g_array_free(maps, TRUE);
+
+	glibtop_suid_enter (server);
+
+	/* Get the process data */
+	pinfo = kvm_getproc2 (server->machine.kd, KERN_PROC_PID, pid, sizeof(struct kinfo_proc2), &count);
+	if ((pinfo == NULL) || (count < 1)) {
+		glibtop_warn_io_r (server, "kvm_getprocs (%d)", pid);
+		return (glibtop_map_entry*) g_array_free(maps, TRUE);
+	}
+
+	/* Now we get the memory maps. */
+
+	if (kvm_read (server->machine.kd,
+		      (unsigned long) pinfo [0].p_vmspace,
+		      (char *) &vmspace, sizeof (vmspace)) != sizeof (vmspace))
+		glibtop_error_io_r (server, "kvm_read (vmspace)");
+
+	RB_INIT(&root);
+	nentries = load_vmmap_entries(server,
+	    (unsigned long) RB_ROOT(&vmspace.vm_map.addr),
+	    &RB_ROOT(&root), NULL);
+	if (nentries == -1) {
+		unload_vmmap_entries(RB_ROOT(&root));
+		glibtop_error_io_r (server, "kvm_read (entry)");
+	}
+
+	/* Allocate space. */
+
+	buf->number = nentries;
+	buf->size = sizeof (glibtop_map_entry);
+
+	buf->total = buf->number * buf->size;
+
+	buf->flags = _glibtop_sysdeps_proc_map;
+
+	/* Walk through the `vm_map_entry' list ... */
+
+	/* I tested this a few times with `mmap'; as soon as you write
+	 * to the mmap'ed area, the object type changes from OBJT_VNODE
+	 * to OBJT_DEFAULT so it seems this really works. */
+
+	RB_FOREACH(entry, uvm_map_addr, &root) {
+		glibtop_map_entry *mentry;
+		unsigned long inum, dev;
+		guint len;
+
+ 		if (UVM_ET_ISSUBMAP(entry))
+			continue;
+		if (!entry->object.uvm_obj)
+			continue;
+
+		/* We're only interested in vnodes */
+
+		if (kvm_read (server->machine.kd,
+			      (unsigned long) entry->object.uvm_obj,
+			      &vnode, sizeof (vnode)) != sizeof (vnode)) {
+			glibtop_warn_io_r (server, "kvm_read (vnode)");
+			unload_vmmap_entries(RB_ROOT(&root));
+			return (glibtop_map_entry*) g_array_free(maps, TRUE);
+		}
+
+#if defined(UVM_VNODE_VALID)
+		if (!vnode.v_uvm.u_flags & UVM_VNODE_VALID)
+			continue;
+#endif
+		if ((vnode.v_type != VREG) || (vnode.v_tag != VT_UFS) ||
+		    !vnode.v_data) continue;
+
+		if (kvm_read (server->machine.kd,
+			      (unsigned long) vnode.v_data,
+			      &inode, sizeof (inode)) != sizeof (inode))
+			glibtop_error_io_r (server, "kvm_read (inode)");
+
+		inum  = inode.i_number;
+		dev = inode.i_dev;
+
+		len = maps->len;
+		g_array_set_size(maps, len + 1);
+		mentry = &g_array_index(maps, glibtop_map_entry, len);
+
+		mentry->flags  = _glibtop_sysdeps_map_entry;
+
+		mentry->start  = (guint64) entry->start;
+		mentry->end    = (guint64) entry->end;
+		mentry->offset = (guint64) entry->offset;
+		mentry->device = (guint64) dev;
+		mentry->inode  = (guint64) inum;
+
+		mentry->perm   = (guint64) 0;
+
+		if (entry->protection & VM_PROT_READ)
+			mentry->perm |= GLIBTOP_MAP_PERM_READ;
+		if (entry->protection & VM_PROT_WRITE)
+			mentry->perm |= GLIBTOP_MAP_PERM_WRITE;
+		if (entry->protection & VM_PROT_EXECUTE)
+			mentry->perm |= GLIBTOP_MAP_PERM_EXECUTE;
+	}
+
+	buf->flags = _glibtop_sysdeps_proc_map;
+
+	buf->number = maps->len;
+	buf->size = sizeof (glibtop_map_entry);
+	buf->total = buf->number * buf->size;
+
+	unload_vmmap_entries(RB_ROOT(&root));
+	return (glibtop_map_entry*) g_array_free(maps, FALSE);
+}
+
+/*
+ * Don't implement address comparison.
+ */
+static __inline int
+no_impl(void *p, void *q)
+{
+	abort(); /* Should not be called. */
+	return 0;
+}
+
+RB_GENERATE(uvm_map_addr, vm_map_entry, daddrs.addr_entry, no_impl);
diff --git a/sysdeps/openbsd/procmem.c b/sysdeps/openbsd/procmem.c
new file mode 100644
index 00000000..80d6c1c5
--- /dev/null
+++ b/sysdeps/openbsd/procmem.c
@@ -0,0 +1,134 @@
+/* $OpenBSD: procmem.c,v 1.4 2011/05/24 10:40:47 jasper Exp $	*/
+
+/* Copyright (C) 1998 Joshua Sled
+   This file is part of LibGTop 1.0.
+
+   Contributed by Joshua Sled <jsled@xcf.berkeley.edu>, July 1998.
+
+   LibGTop is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License,
+   or (at your option) any later version.
+
+   LibGTop is distributed in the hope that it will be useful, but WITHOUT
+   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+   for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with LibGTop; see the file COPYING. If not, write to the
+   Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.
+*/
+
+#include <config.h>
+#include <glibtop.h>
+#include <glibtop/error.h>
+#include <glibtop/procmem.h>
+
+#include <glibtop_suid.h>
+
+#include <kvm.h>
+#include <sys/param.h>
+#include <sys/proc.h>
+#include <sys/resource.h>
+#include <uvm/uvm_extern.h>
+
+#include <sys/vnode.h>
+#include <ufs/ufs/quota.h>
+#include <ufs/ufs/inode.h>
+
+#include <sys/ucred.h>
+#include <sys/sysctl.h>
+#include <uvm/uvm.h>
+
+/* Fixme ... */
+#undef _KERNEL
+#define _UVM_UVM_AMAP_I_H_ 1
+#define _UVM_UVM_MAP_I_H_ 1
+#include <uvm/uvm.h>
+
+static const unsigned long _glibtop_sysdeps_proc_mem =
+(1L << GLIBTOP_PROC_MEM_SIZE) +
+(1L << GLIBTOP_PROC_MEM_VSIZE) +
+(1L << GLIBTOP_PROC_MEM_RESIDENT) +
+(1L << GLIBTOP_PROC_MEM_RSS) +
+(1L << GLIBTOP_PROC_MEM_RSS_RLIM);
+
+static const unsigned long _glibtop_sysdeps_proc_mem_share =
+(1L << GLIBTOP_PROC_MEM_SHARE);
+
+#ifndef LOG1024
+#define LOG1024		10
+#endif
+
+/* these are for getting the memory statistics */
+static int pageshift;		/* log base 2 of the pagesize */
+
+/* define pagetok in terms of pageshift */
+#define pagetok(size) ((size) << pageshift)
+
+/* Init function. */
+
+void
+_glibtop_init_proc_mem_p (glibtop *server)
+{
+	register int pagesize;
+
+	/* get the page size and calculate pageshift from it */
+	pagesize = sysconf(_SC_PAGESIZE);
+	pageshift = 0;
+	while (pagesize > 1) {
+		pageshift++;
+		pagesize >>= 1;
+	}
+
+	/* we only need the amount of log(2)1024 for our conversion */
+	pageshift -= LOG1024;
+
+	server->sysdeps.proc_mem = _glibtop_sysdeps_proc_mem |
+		_glibtop_sysdeps_proc_mem_share;
+}
+
+/* Provides detailed information about a process. */
+
+void
+glibtop_get_proc_mem_p (glibtop *server, glibtop_proc_mem *buf,
+			pid_t pid)
+{
+	struct kinfo_proc2 *pinfo;
+
+	int count;
+
+	glibtop_init_p (server, (1L << GLIBTOP_SYSDEPS_PROC_MEM), 0);
+
+	memset (buf, 0, sizeof (glibtop_proc_mem));
+
+	if (server->sysdeps.proc_mem == 0)
+		return;
+
+	/* It does not work for the swapper task. */
+	if (pid == 0) return;
+
+	/* Get the process data */
+	pinfo = kvm_getproc2 (server->machine.kd, KERN_PROC_PID, pid,
+			      sizeof (*pinfo), &count);
+	if ((pinfo == NULL) || (count < 1)) {
+		glibtop_warn_io_r (server, "kvm_getprocs (%d)", pid);
+		return;
+	}
+
+       buf->rss_rlim = pinfo[0].p_uru_maxrss;
+       buf->vsize = buf->size = (guint64)pagetok
+	       (pinfo[0].p_vm_tsize + pinfo[0].p_vm_dsize + pinfo[0].p_vm_ssize)
+	       << LOG1024;
+       buf->resident = buf->rss = (guint64)pagetok
+               (pinfo[0].p_vm_rssize) << LOG1024;
+
+	/* Now we get the shared memory. */
+
+	buf->share = pinfo[0].p_uru_ixrss;
+
+	buf->flags = _glibtop_sysdeps_proc_mem |
+		_glibtop_sysdeps_proc_mem_share;
+}
diff --git a/sysdeps/openbsd/procopenfiles.c b/sysdeps/openbsd/procopenfiles.c
new file mode 100644
index 00000000..25f9157e
--- /dev/null
+++ b/sysdeps/openbsd/procopenfiles.c
@@ -0,0 +1,225 @@
+/* $OpenBSD: procopenfiles.c,v 1.2 2011/05/23 19:35:55 jasper Exp $	*/
+
+/* Copyright (C) 1998-99 Martin Baulig
+   Copyright (C) 2004 Nicol\ufffds Lichtmaier
+   Copyright (C) 2007 Joe Marcus Clarke
+   This file is part of LibGTop 1.0.
+
+   Modified by Nicol\ufffds Lichtmaier to give a process open files.
+
+   Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
+
+   LibGTop is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License,
+   or (at your option) any later version.
+
+   LibGTop is distributed in the hope that it will be useful, but WITHOUT
+   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+   for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with LibGTop; see the file COPYING. If not, write to the
+   Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.
+*/
+
+#include <config.h>
+#include <glibtop.h>
+#include <glibtop/error.h>
+#include <glibtop/procopenfiles.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/param.h>
+#include <sys/sysctl.h>
+#include <sys/un.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <string.h>
+#include <stdlib.h>
+
+#include "glibtop_private.h"
+
+static const unsigned long _glibtop_sysdeps_proc_open_files =
+(1L << GLIBTOP_PROC_OPEN_FILES_NUMBER)|
+(1L << GLIBTOP_PROC_OPEN_FILES_TOTAL)|
+(1L << GLIBTOP_PROC_OPEN_FILES_SIZE);
+
+/* Init function. */
+
+void
+_glibtop_init_proc_open_files_s (glibtop *server)
+{
+	server->sysdeps.proc_open_files = _glibtop_sysdeps_proc_open_files;
+}
+
+static GArray *
+parse_output(const char *output) {
+	GArray *entries;
+	char **lines;
+	char  *ftype = NULL;
+	char  *fname = NULL;
+	guint  i;
+	guint  len;
+	int    fd = -1;
+
+	entries = g_array_new(FALSE, FALSE, sizeof(glibtop_open_files_entry));
+
+	lines = g_strsplit(output, "\n", 0);
+	len = g_strv_length(lines);
+
+	for (i = 0; i < len && lines[i]; i++) {
+		glibtop_open_files_entry entry = {0};
+
+		if (strlen(lines[i]) < 2)
+			continue;
+
+		if (!g_str_has_prefix(lines[i], "f") &&
+		    !g_str_has_prefix(lines[i], "t") &&
+		    !g_str_has_prefix(lines[i], "n"))
+			continue;
+
+		if (g_str_has_prefix(lines[i], "f")) {
+			if (!g_ascii_isdigit(*(lines[i] + 1)))
+				i += 2;
+			else
+				fd = atoi(lines[i] + 1);
+			continue;
+		}
+
+		if (g_str_has_prefix(lines[i], "t")) {
+			ftype = lines[i];
+			ftype++;
+			continue;
+		} else {
+			fname = lines[i];
+			fname++;
+		}
+
+		if (ftype == NULL || fname == NULL)
+			continue;
+
+		if (!strcmp(ftype, "unix")) {
+			entry.type = GLIBTOP_FILE_TYPE_LOCALSOCKET;
+			g_strlcpy(entry.info.localsock.name, fname,
+			  	  sizeof(entry.info.localsock.name));
+		} else if (!strcmp(ftype, "PIPE")) {
+			entry.type = GLIBTOP_FILE_TYPE_PIPE;
+		} else if (!strcmp(ftype, "VREG") ||
+			   !strcmp(ftype, "GDIR") ||
+			   !strcmp(ftype, "GREG") ||
+			   !strcmp(ftype, "VCHR") ||
+			   !strcmp(ftype, "VBLK") ||
+			   !strcmp(ftype, "DIR")  ||
+			   !strcmp(ftype, "LINK") ||
+			   !strcmp(ftype, "REG")  ||
+			   !strcmp(ftype, "VDIR")) {
+			entry.type = GLIBTOP_FILE_TYPE_FILE;
+			g_strlcpy(entry.info.file.name, fname,
+				  sizeof(entry.info.file.name));
+		} else if (!strcmp(ftype, "IPv4")) {
+			char **hosts;
+			char **remote_host;
+
+			if (!strstr(fname, "->")) {
+				remote_host = g_strsplit(fname, ":", 0);
+			} else {
+				hosts = g_strsplit(fname, "->", 0);
+				if (g_strv_length(hosts) < 2) {
+					g_strfreev(hosts);
+					continue;
+				}
+
+				remote_host = g_strsplit(hosts[1], ":", 0);
+				g_strfreev(hosts);
+			}
+
+			if (g_strv_length(remote_host) < 2) {
+				g_strfreev(remote_host);
+				continue;
+			}
+
+			entry.type = GLIBTOP_FILE_TYPE_INETSOCKET;
+			if (!strcmp(remote_host[0], "*"))
+				g_strlcpy(entry.info.sock.dest_host, "0.0.0.0",
+					  sizeof(entry.info.sock.dest_host));
+			else
+				g_strlcpy(entry.info.sock.dest_host,
+					  remote_host[0],
+					  sizeof(entry.info.sock.dest_host));
+			entry.info.sock.dest_port = atoi(remote_host[1]);
+
+			g_strfreev(remote_host);
+		} else if (!strcmp(ftype, "IPv6")) {
+			char **hosts;
+			char **remote_host;
+
+			if (!strstr(fname, "->")) {
+				remote_host = g_strsplit(fname, ":", 0);
+			} else {
+				hosts = g_strsplit(fname, "->", 0);
+				if (g_strv_length(hosts) < 2) {
+					g_strfreev(hosts);
+					continue;
+				}
+
+				remote_host = g_strsplit(hosts[1], "]", 0);
+				g_strfreev(hosts);
+			}
+
+			if (g_strv_length(remote_host) < 2) {
+				g_strfreev(remote_host);
+				continue;
+			}
+
+			entry.type = GLIBTOP_FILE_TYPE_INET6SOCKET;
+			if (!strcmp(remote_host[0], "*"))
+				g_strlcpy(entry.info.sock.dest_host, "0.0.0.0",
+					  sizeof(entry.info.sock.dest_host));
+			else
+				g_strlcpy(entry.info.sock.dest_host,
+					  remote_host[0] + 1,
+					  sizeof(entry.info.sock.dest_host));
+			entry.info.sock.dest_port = atoi(remote_host[1] + 1);
+
+			g_strfreev(remote_host);
+		} else
+			continue;
+
+		entry.fd = fd;
+
+		fd = -1;
+		ftype = NULL;
+		fname = NULL;
+
+		g_array_append_val(entries, entry);
+	}
+
+	g_strfreev(lines);
+
+	return entries;
+}
+
+glibtop_open_files_entry *
+glibtop_get_proc_open_files_s (glibtop *server, glibtop_proc_open_files *buf,	pid_t pid)
+{
+	char *output;
+	GArray *entries;
+
+	memset(buf, 0, sizeof (glibtop_proc_open_files));
+
+	output = execute_lsof(pid);
+	if (output == NULL) return NULL;
+
+	entries = parse_output(output);
+
+	g_free(output);
+
+	buf->flags = _glibtop_sysdeps_proc_open_files;
+	buf->number = entries->len;
+	buf->size = sizeof(glibtop_open_files_entry);
+	buf->total = buf->number * buf->size;
+
+	return (glibtop_open_files_entry*)g_array_free(entries, FALSE);
+}
diff --git a/sysdeps/openbsd/procsegment.c b/sysdeps/openbsd/procsegment.c
new file mode 100644
index 00000000..01fd3712
--- /dev/null
+++ b/sysdeps/openbsd/procsegment.c
@@ -0,0 +1,83 @@
+/* $OpenBSD: procsegment.c,v 1.2 2011/05/23 19:35:55 jasper Exp $	*/
+
+/* Copyright (C) 1998 Joshua Sled
+   This file is part of LibGTop 1.0.
+
+   Contributed by Joshua Sled <jsled@xcf.berkeley.edu>, July 1998.
+
+   LibGTop is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License,
+   or (at your option) any later version.
+
+   LibGTop is distributed in the hope that it will be useful, but WITHOUT
+   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+   for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with LibGTop; see the file COPYING. If not, write to the
+   Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.
+*/
+
+#include <config.h>
+#include <glibtop.h>
+#include <glibtop/error.h>
+#include <glibtop/procsegment.h>
+
+#include <glibtop_suid.h>
+
+#include <kvm.h>
+#include <sys/param.h>
+#include <sys/sysctl.h>
+
+static const unsigned long _glibtop_sysdeps_proc_segment = 0;
+
+/* Init function. */
+
+void
+_glibtop_init_proc_segment_p (glibtop *server)
+{
+	server->sysdeps.proc_segment = _glibtop_sysdeps_proc_segment;
+}
+
+/* Provides detailed information about a process. */
+
+void
+glibtop_get_proc_segment_p (glibtop *server,
+			    glibtop_proc_segment *buf,
+			    pid_t pid)
+{
+	glibtop_init_p (server, (1L << GLIBTOP_SYSDEPS_PROC_SEGMENT), 0);
+
+	memset (buf, 0, sizeof (glibtop_proc_segment));
+
+#if 0
+	/* Get the process info from the kernel */
+	kvm_getprocs (server->machine.kd, KERN_PROC_PID, pid, count);
+	if (*count != 1) {
+		return; /* the zeroed-out buffer indicating no data */
+	}
+
+	/* trs: text resident set size
+	   pinfo[0]->kp_eproc.e_xrssize;
+	*/
+	/* buf->trs = pinfo[0]->kp_eproc.e_xrssize; */
+	/* lrs: shared-lib resident set size
+	   ?  */
+	/* drs: data resident set size
+	   pinfo[0]->kp_eproc.e_vm.vm_map.vm_dsize;
+	*/
+	/* dt: dirty pages
+	 */
+	/* start_code: address of beginning of code segment
+
+	 */
+	/* end_code: address of end of code segment
+	 */
+	/* start_stack: address of the bottom of stack segment
+	 */
+#endif
+}
+
diff --git a/sysdeps/openbsd/procsignal.c b/sysdeps/openbsd/procsignal.c
new file mode 100644
index 00000000..3492129c
--- /dev/null
+++ b/sysdeps/openbsd/procsignal.c
@@ -0,0 +1,91 @@
+/* $OpenBSD: procsignal.c,v 1.3 2011/05/23 19:35:55 jasper Exp $	*/
+
+/* Copyright (C) 1998 Joshua Sled
+   This file is part of LibGTop 1.0.
+
+   Contributed by Joshua Sled <jsled@xcf.berkeley.edu>, July 1998.
+
+   LibGTop is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License,
+   or (at your option) any later version.
+
+   LibGTop is distributed in the hope that it will be useful, but WITHOUT
+   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+   for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with LibGTop; see the file COPYING. If not, write to the
+   Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.
+*/
+
+#include <config.h>
+#include <glibtop.h>
+#include <glibtop/error.h>
+#include <glibtop/procsignal.h>
+
+#include <glibtop_suid.h>
+
+#include <sys/param.h>
+
+static const unsigned long _glibtop_sysdeps_proc_signal =
+(1L << GLIBTOP_PROC_SIGNAL_SIGNAL) +
+(1L << GLIBTOP_PROC_SIGNAL_BLOCKED) +
+(1L << GLIBTOP_PROC_SIGNAL_SIGIGNORE) +
+(1L << GLIBTOP_PROC_SIGNAL_SIGCATCH);
+
+/* Init function. */
+
+void
+_glibtop_init_proc_signal_p (glibtop *server)
+{
+	server->sysdeps.proc_signal = _glibtop_sysdeps_proc_signal;
+}
+
+void
+glibtop_get_proc_signal_p (glibtop *server,
+			   glibtop_proc_signal *buf,
+			   pid_t pid)
+{
+	struct kinfo_proc2 *pinfo;
+	int count = 0;
+
+	glibtop_init_p (server, (1L << GLIBTOP_SYSDEPS_PROC_SIGNAL), 0);
+
+	memset (buf, 0, sizeof (glibtop_proc_signal));
+
+	/* It does not work for the swapper task. */
+	if (pid == 0) return;
+
+	/* Get the process information */
+	pinfo = kvm_getproc2 (server->machine.kd, KERN_PROC_PID, pid,
+			      sizeof (*pinfo), &count);
+	if ((pinfo == NULL) || (count != 1)) {
+		glibtop_warn_io_r (server, "kvm_getprocs (%d)", pid);
+		return;
+	}
+
+	/* signal: mask of pending signals.
+	 *         pinfo [0].kp_proc.p_siglist
+	 */
+	buf->signal [0] = pinfo [0].p_siglist;
+
+	/* blocked: mask of blocked signals.
+	 *          pinfo [0].kp_proc.p_sigmask
+	 */
+	buf->blocked [0] = pinfo [0].p_sigmask;
+
+	/* sigignore: mask of ignored signals.
+	 *            pinfo [0].kp_proc.p_sigignore
+	*/
+	buf->sigignore [0] = pinfo [0].p_sigignore;
+
+	/* sigcatch: mask of caught signals.
+	 *           pinfo [0].kp_proc.p_sigcatch
+	*/
+	buf->sigcatch [0] = pinfo [0].p_sigcatch;
+
+	buf->flags = _glibtop_sysdeps_proc_signal;
+}
diff --git a/sysdeps/openbsd/procstate.c b/sysdeps/openbsd/procstate.c
new file mode 100644
index 00000000..27442b14
--- /dev/null
+++ b/sysdeps/openbsd/procstate.c
@@ -0,0 +1,133 @@
+/* $OpenBSD: procstate.c,v 1.3 2011/05/23 19:35:55 jasper Exp $	*/
+
+/* Copyright (C) 1998 Joshua Sled
+   This file is part of LibGTop 1.0.
+
+   Contributed by Joshua Sled <jsled@xcf.berkeley.edu>, July 1998.
+
+   LibGTop is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License,
+   or (at your option) any later version.
+
+   LibGTop is distributed in the hope that it will be useful, but WITHOUT
+   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+   for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with LibGTop; see the file COPYING. If not, write to the
+   Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.
+*/
+
+#include <config.h>
+#include <glibtop.h>
+#include <glibtop/error.h>
+#include <glibtop/procstate.h>
+
+#include <glibtop_suid.h>
+
+static const unsigned long _glibtop_sysdeps_proc_state =
+(1L << GLIBTOP_PROC_STATE_CMD) + (1L << GLIBTOP_PROC_STATE_UID) +
+(1L << GLIBTOP_PROC_STATE_GID);
+
+static const unsigned long _glibtop_sysdeps_proc_state_new =
+0;
+
+/* Init function. */
+
+void
+_glibtop_init_proc_state_p (glibtop *server)
+{
+	server->sysdeps.proc_state = _glibtop_sysdeps_proc_state |
+		_glibtop_sysdeps_proc_state_new;
+}
+
+/* Provides detailed information about a process. */
+
+void
+glibtop_get_proc_state_p (glibtop *server,
+			  glibtop_proc_state *buf,
+			  pid_t pid)
+{
+	struct kinfo_proc2 *pinfo;
+	int count = 0;
+
+	glibtop_init_p (server, (1L << GLIBTOP_SYSDEPS_PROC_STATE), 0);
+
+	memset (buf, 0, sizeof (glibtop_proc_state));
+
+	/* It does not work for the swapper task. */
+	if (pid == 0) return;
+
+	/* Get the process information */
+	pinfo = kvm_getproc2 (server->machine.kd, KERN_PROC_PID, pid,
+			      sizeof (*pinfo), &count);
+	if ((pinfo == NULL) || (count != 1)) {
+		glibtop_warn_io_r (server, "kvm_getprocs (%d)", pid);
+		return;
+	}
+
+#define PROC_COMM	p_comm
+#define PROC_SVUID	p_svuid
+#define PROC_SVGID	p_svgid
+#define PROC_STAT	p_stat
+
+	g_strlcpy (buf->cmd, pinfo [0].PROC_COMM, sizeof buf->cmd);
+
+	buf->uid = pinfo [0].PROC_SVUID;
+	buf->gid = pinfo [0].PROC_SVGID;
+
+	/* Set the flags for the data we're about to return*/
+	buf->flags = _glibtop_sysdeps_proc_state |
+		_glibtop_sysdeps_proc_state_new;
+
+#if LIBGTOP_VERSION_CODE >= 1001000
+	switch (pinfo [0].PROC_STAT) {
+	case SIDL:
+		buf->state = 0;
+		break;
+	case SRUN:
+		buf->state = GLIBTOP_PROCESS_RUNNING;
+		break;
+#ifdef SSLEEP
+	case SSLEEP:
+		buf->state = GLIBTOP_PROCESS_INTERRUPTIBLE;
+		break;
+#endif
+	case SSTOP:
+		buf->state = GLIBTOP_PROCESS_STOPPED;
+		break;
+	case SZOMB:
+		buf->state = GLIBTOP_PROCESS_ZOMBIE;
+		break;
+	default:
+		return;
+	}
+#else
+	switch (pinfo [0].PROC_STAT) {
+	case SIDL:
+		buf->state = 'D';
+		break;
+	case SRUN:
+		buf->state = 'R';
+		break;
+#ifdef SSLEEP
+	case SSLEEP:
+		buf->state = 'S';
+		break;
+#endif
+	case SSTOP:
+		buf->state = 'T';
+		break;
+	case SZOMB:
+		buf->state = 'Z';
+		break;
+	default:
+		return;
+	}
+#endif
+
+	buf->flags |= (1L << GLIBTOP_PROC_STATE_STATE);
+}
diff --git a/sysdeps/openbsd/proctime.c b/sysdeps/openbsd/proctime.c
new file mode 100644
index 00000000..c4aeb6fc
--- /dev/null
+++ b/sysdeps/openbsd/proctime.c
@@ -0,0 +1,159 @@
+/* $OpenBSD: proctime.c,v 1.3 2011/05/23 19:35:56 jasper Exp $	*/
+
+/* Copyright (C) 1998-99 Martin Baulig
+   This file is part of LibGTop 1.0.
+
+   Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
+
+   LibGTop is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License,
+   or (at your option) any later version.
+
+   LibGTop is distributed in the hope that it will be useful, but WITHOUT
+   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+   for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with LibGTop; see the file COPYING. If not, write to the
+   Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.
+*/
+
+#include <config.h>
+#include <glibtop.h>
+#include <glibtop/error.h>
+#include <glibtop/proctime.h>
+
+#include <glibtop_suid.h>
+
+static const unsigned long _glibtop_sysdeps_proc_time =
+(1L << GLIBTOP_PROC_TIME_RTIME) + (1L << GLIBTOP_PROC_TIME_FREQUENCY);
+
+static const unsigned long _glibtop_sysdeps_proc_time_user =
+(1L << GLIBTOP_PROC_TIME_UTIME) + (1L << GLIBTOP_PROC_TIME_STIME) +
+(1L << GLIBTOP_PROC_TIME_CUTIME) + (1L << GLIBTOP_PROC_TIME_CSTIME) +
+(1L << GLIBTOP_PROC_TIME_START_TIME);
+
+#define tv2sec(tv)	(((guint64) tv.tv_sec * 1000000) + (guint64) tv.tv_usec)
+
+static unsigned int clockrate;
+static const int mib [] = { CTL_KERN, KERN_CLOCKRATE };
+
+/* Init function. */
+
+void
+_glibtop_init_proc_time_p (glibtop *server)
+{
+	struct clockinfo ci;
+	size_t length;
+	length = sizeof (ci);
+	if (sysctl (mib, 2, &ci, &length, NULL, 0) == 0)
+		clockrate = ci.hz;
+	if (!clockrate)
+		clockrate = 1; /* XXX avoid div by 0 later */
+
+	server->sysdeps.proc_time = _glibtop_sysdeps_proc_time |
+		_glibtop_sysdeps_proc_time_user;
+}
+
+/* Taken from /usr/src/sys/kern/kern_resource.c */
+
+/*
+ * Transform the running time and tick information in proc p into user,
+ * system, and interrupt time usage.
+ */
+
+static void
+calcru(p, up, sp, ip)
+     struct proc *p;
+     struct timeval *up;
+     struct timeval *sp;
+     struct timeval *ip;
+{
+	quad_t totusec;
+	u_quad_t u, st, ut, it, tot;
+        long sec, usec;
+        struct timeval tv;
+
+	st = p->p_sticks;
+	ut = p->p_uticks;
+	it = p->p_iticks;
+
+	tot = st + ut + it;
+	if (tot == 0) {
+		st = 1;
+		tot = 1;
+	}
+
+	sec = p->p_rtime.tv_sec;
+	usec = p->p_rtime.tv_usec;
+
+	totusec = (quad_t)sec * 1000000 + usec;
+
+	if (totusec < 0) {
+		/* XXX no %qd in kernel.  Truncate. */
+		fprintf (stderr, "calcru: negative time: %ld usec\n",
+			 (long)totusec);
+		totusec = 0;
+	}
+
+
+	u = totusec;
+	st = (u * st) / tot;
+	sp->tv_sec = st / 1000000;
+	sp->tv_usec = st % 1000000;
+	ut = (u * ut) / tot;
+	up->tv_sec = ut / 1000000;
+	up->tv_usec = ut % 1000000;
+	if (ip != NULL) {
+		it = (u * it) / tot;
+		ip->tv_sec = it / 1000000;
+		ip->tv_usec = it % 1000000;
+	}
+}
+
+/* Provides detailed information about a process. */
+
+void
+glibtop_get_proc_time_p (glibtop *server, glibtop_proc_time *buf,
+			 pid_t pid)
+{
+	struct kinfo_proc2 *pinfo;
+	int count;
+
+	glibtop_init_p (server, (1L << GLIBTOP_SYSDEPS_PROC_TIME), 0);
+
+	memset (buf, 0, sizeof (glibtop_proc_time));
+
+	/* It does not work for the swapper task. */
+	if (pid == 0) return;
+
+
+	/* Get the process information */
+	pinfo = kvm_getproc2 (server->machine.kd, KERN_PROC_PID, pid,
+			      sizeof (*pinfo), &count);
+	if ((pinfo == NULL) || (count != 1)) {
+		glibtop_warn_io_r (server, "kvm_getprocs (%d)", pid);
+		return;
+	}
+
+	buf->rtime = pinfo[0].p_rtime_sec * clockrate 
+		+ pinfo[0].p_rtime_usec  * clockrate / 1000000;
+	buf->frequency = clockrate;
+
+	buf->flags = _glibtop_sysdeps_proc_time;
+
+	buf->utime = pinfo[0].p_uutime_sec * 1000000
+		+ pinfo[0].p_uutime_usec;
+	buf->stime = pinfo[0].p_ustime_sec * 1000000
+		+ pinfo[0].p_ustime_usec;
+	buf->cutime = pinfo[0].p_uctime_sec * 1000000
+		+ pinfo[0].p_uctime_usec; /* XXX is u+s */
+	buf->cstime = 0; /* XXX */
+	buf->start_time = pinfo[0].p_ustart_sec;
+
+	buf->flags |= _glibtop_sysdeps_proc_time_user;
+}
+
diff --git a/sysdeps/openbsd/procuid.c b/sysdeps/openbsd/procuid.c
new file mode 100644
index 00000000..c3b4ec48
--- /dev/null
+++ b/sysdeps/openbsd/procuid.c
@@ -0,0 +1,104 @@
+/* $OpenBSD: procuid.c,v 1.3 2011/05/23 19:35:56 jasper Exp $	*/
+
+/* Copyright (C) 1998-99 Martin Baulig
+   This file is part of LibGTop 1.0.
+
+   Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
+
+   LibGTop is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License,
+   or (at your option) any later version.
+
+   LibGTop is distributed in the hope that it will be useful, but WITHOUT
+   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+   for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with LibGTop; see the file COPYING. If not, write to the
+   Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.
+*/
+
+#include <config.h>
+#include <glibtop.h>
+#include <glibtop/error.h>
+#include <glibtop/procuid.h>
+
+#include <glibtop_suid.h>
+
+static const unsigned long _glibtop_sysdeps_proc_uid =
+(1L << GLIBTOP_PROC_UID_UID) + (1L << GLIBTOP_PROC_UID_EUID) +
+(1L << GLIBTOP_PROC_UID_GID) +
+(1L << GLIBTOP_PROC_UID_EGID) + (1L << GLIBTOP_PROC_UID_PID) +
+(1L << GLIBTOP_PROC_UID_PPID) + (1L << GLIBTOP_PROC_UID_PGRP) +
+(1L << GLIBTOP_PROC_UID_TPGID) + (1L << GLIBTOP_PROC_UID_PRIORITY) +
+(1L << GLIBTOP_PROC_UID_NICE);
+
+static const unsigned long _glibtop_sysdeps_proc_uid_groups =
+0L;
+
+/* Init function. */
+
+void
+_glibtop_init_proc_uid_p (glibtop *server)
+{
+	server->sysdeps.proc_uid = _glibtop_sysdeps_proc_uid |
+		_glibtop_sysdeps_proc_uid_groups;
+}
+
+/* Provides detailed information about a process. */
+
+void
+glibtop_get_proc_uid_p (glibtop *server, glibtop_proc_uid *buf,
+			pid_t pid)
+{
+	struct kinfo_proc2 *pinfo;
+	int count = 0;
+
+	glibtop_init_p (server, (1L << GLIBTOP_SYSDEPS_PROC_UID), 0);
+
+	memset (buf, 0, sizeof (glibtop_proc_uid));
+
+	/* It does not work for the swapper task. */
+	if (pid == 0) return;
+
+	/* Get the process information */
+	pinfo = kvm_getproc2 (server->machine.kd, KERN_PROC_PID, pid,
+			      sizeof (*pinfo), &count);
+	if ((pinfo == NULL) || (count != 1)) {
+		glibtop_warn_io_r (server, "kvm_getprocs (%d)", pid);
+		return;
+	}
+
+#define PROC_RUID	p_ruid
+#define PROC_SVUID	p_svuid
+#define PROC_RGID	p_rgid
+#define PROC_SVGID	p_svgid
+#define PROC_PID	p_pid
+#define PROC_PPID	p_ppid
+#define PROC_PGID	p__pgid
+#define PROC_TPGID	p_tpgid
+#define PROC_NICE	p_nice
+#define PROC_PRIORITY	p_priority
+
+	buf->uid  = pinfo [0].PROC_RUID;
+	buf->euid = pinfo [0].PROC_SVUID;
+	buf->gid  = pinfo [0].PROC_RGID;
+	buf->egid = pinfo [0].PROC_SVGID;
+
+	buf->pid   = pinfo [0].PROC_PID;
+	buf->ppid  = pinfo [0].PROC_PPID;
+	buf->pgrp  = pinfo [0].PROC_PGID;
+	buf->tpgid = pinfo [0].PROC_TPGID;
+
+	buf->nice     = pinfo [0].PROC_NICE;
+	buf->priority = pinfo [0].PROC_PRIORITY;
+
+	/* Set the flags for the data we're about to return*/
+	buf->flags = _glibtop_sysdeps_proc_uid;
+
+	/* Use LibGTop conditionals here so we can more easily merge this
+	 * code into the LIBGTOP_STABLE_1_0 branch. */
+}
diff --git a/sysdeps/openbsd/procwd.c b/sysdeps/openbsd/procwd.c
new file mode 100644
index 00000000..8f6e6605
--- /dev/null
+++ b/sysdeps/openbsd/procwd.c
@@ -0,0 +1,124 @@
+/* $OpenBSD: procwd.c,v 1.2 2011/05/23 19:35:56 jasper Exp $	*/
+
+/* Copyright (C) 2007 Joe Marcus Clarke
+   This file is part of LibGTop 2.
+
+   LibGTop is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License,
+   or (at your option) any later version.
+
+   LibGTop is distributed in the hope that it will be useful, but WITHOUT
+   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+   for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with LibGTop; see the file COPYING. If not, write to the
+   Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.
+*/
+
+#include <config.h>
+#include <glibtop/procwd.h>
+#include <glibtop/error.h>
+
+#include <glibtop_private.h>
+
+#include <sys/types.h>
+#include <sys/sysctl.h>
+#include <sys/param.h>
+#include <string.h>
+
+static const unsigned long _glibtop_sysdeps_proc_wd =
+(1 << GLIBTOP_PROC_WD_EXE) |
+(1 << GLIBTOP_PROC_WD_ROOT) |
+(1 << GLIBTOP_PROC_WD_NUMBER);
+
+void
+_glibtop_init_proc_wd_s(glibtop *server)
+{
+	server->sysdeps.proc_wd = _glibtop_sysdeps_proc_wd;
+}
+
+static GPtrArray *
+parse_output(const char *output, glibtop_proc_wd *buf)
+{
+	GPtrArray *dirs;
+	char     **lines;
+	gboolean   nextwd = FALSE;
+	gboolean   nextrtd = FALSE;
+	gboolean   havertd = FALSE;
+	guint      i;
+	guint      len;
+
+	dirs = g_ptr_array_sized_new(1);
+
+	lines = g_strsplit(output, "\n", 0);
+	len = g_strv_length(lines);
+
+	for (i = 0; i < len && lines[i]; i++) {
+		if (strlen(lines[i]) < 2)
+			continue;
+
+		if (!strcmp(lines[i], "fcwd")) {
+			nextwd = TRUE;
+			continue;
+		}
+
+		if (!strcmp(lines[i], "frtd")) {
+			nextrtd = TRUE;
+			continue;
+		}
+
+		if (!g_str_has_prefix(lines[i], "n"))
+			continue;
+
+		if (nextwd) {
+			g_ptr_array_add(dirs, g_strdup(lines[i] + 1));
+			nextwd = FALSE;
+		}
+
+		if (nextrtd && !havertd) {
+			g_strlcpy(buf->root, lines[i] + 1,
+				  sizeof(buf->root));
+			buf->flags |= (1 << GLIBTOP_PROC_WD_ROOT);
+			nextrtd = FALSE;
+			havertd = TRUE;
+		}
+	}
+
+	g_strfreev(lines);
+
+	return dirs;
+}
+
+char**
+glibtop_get_proc_wd_s(glibtop *server, glibtop_proc_wd *buf, pid_t pid)
+{
+	char path[MAXPATHLEN];
+	char *output;
+
+	memset (buf, 0, sizeof (glibtop_proc_wd));
+
+	g_snprintf(path, sizeof(path), "/proc/%u/file", pid);
+	if (safe_readlink(path, buf->exe, sizeof(buf->exe)))
+		buf->flags |= (1 << GLIBTOP_PROC_WD_EXE);
+
+	output = execute_lsof(pid);
+	if (output != NULL) {
+		GPtrArray *dirs;
+
+		dirs = parse_output(output, buf);
+		g_free(output);
+
+		buf->number = dirs->len;
+		buf->flags |= (1 << GLIBTOP_PROC_WD_NUMBER);
+
+		g_ptr_array_add(dirs, NULL);
+
+		return (char **)g_ptr_array_free(dirs, FALSE);
+	}
+
+	return NULL;
+}
diff --git a/sysdeps/openbsd/sem_limits.c b/sysdeps/openbsd/sem_limits.c
new file mode 100644
index 00000000..2232c4bf
--- /dev/null
+++ b/sysdeps/openbsd/sem_limits.c
@@ -0,0 +1,96 @@
+/* $OpenBSD: sem_limits.c,v 1.3 2011/05/23 19:35:56 jasper Exp $	*/
+
+/* Copyright (C) 1998-99 Martin Baulig
+   This file is part of LibGTop 1.0.
+
+   Contributed by Martin Baulig <martin@home-of-linux.org>, August 1998.
+
+   LibGTop is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License,
+   or (at your option) any later version.
+
+   LibGTop is distributed in the hope that it will be useful, but WITHOUT
+   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+   for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with LibGTop; see the file COPYING. If not, write to the
+   Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.
+*/
+
+#include <config.h>
+#include <glibtop.h>
+#include <glibtop/error.h>
+#include <glibtop/sem_limits.h>
+
+#include <glibtop_suid.h>
+
+/* #define _KERNEL to get declaration of `struct seminfo'. */
+
+#define _KERNEL 1
+
+#include <sys/ipc.h>
+#include <sys/sem.h>
+
+static unsigned long _glibtop_sysdeps_sem_limits =
+(1L << GLIBTOP_IPC_SEMMNI) +
+(1L << GLIBTOP_IPC_SEMMNS) + (1L << GLIBTOP_IPC_SEMMNU) +
+(1L << GLIBTOP_IPC_SEMMSL) + (1L << GLIBTOP_IPC_SEMOPM) +
+(1L << GLIBTOP_IPC_SEMUME) + (1L << GLIBTOP_IPC_SEMUSZ) +
+(1L << GLIBTOP_IPC_SEMVMX) + (1L << GLIBTOP_IPC_SEMAEM);
+
+/* The values in this structure never change at runtime, so we only
+ * read it once during initialization. We have to use the name `_seminfo'
+ * since `seminfo' is already declared external in <sys/sem.h>. */
+static struct seminfo _seminfo;
+
+/* nlist structure for kernel access */
+static struct nlist nlst [] = {
+	{ "_seminfo" },
+	{ 0 }
+};
+
+/* Init function. */
+
+void
+_glibtop_init_sem_limits_p (glibtop *server)
+{
+	if (kvm_nlist (server->machine.kd, nlst) < 0) {
+		glibtop_warn_io_r (server, "kvm_nlist (sem_limits)");
+		return;
+	}
+
+	if (kvm_read (server->machine.kd, nlst [0].n_value,
+		      &_seminfo, sizeof (_seminfo)) != sizeof (_seminfo)) {
+		glibtop_warn_io_r (server, "kvm_read (seminfo)");
+		return;
+	}
+
+	server->sysdeps.sem_limits = _glibtop_sysdeps_sem_limits;
+}
+
+/* Provides information about sysv sem limits. */
+
+void
+glibtop_get_sem_limits_p (glibtop *server, glibtop_sem_limits *buf)
+{
+	glibtop_init_p (server, (1L << GLIBTOP_SYSDEPS_SEM_LIMITS), 0);
+
+	memset (buf, 0, sizeof (glibtop_sem_limits));
+
+	if (server->sysdeps.sem_limits == 0)
+		return;
+
+	buf->semmni = _seminfo.semmni;
+	buf->semmns = _seminfo.semmns;
+	buf->semmnu = _seminfo.semmnu;
+	buf->semmsl = _seminfo.semmsl;
+	buf->semopm = _seminfo.semopm;
+	buf->semvmx = _seminfo.semvmx;
+	buf->semaem = _seminfo.semaem;
+
+	buf->flags = _glibtop_sysdeps_sem_limits;
+}
diff --git a/sysdeps/openbsd/shm_limits.c b/sysdeps/openbsd/shm_limits.c
new file mode 100644
index 00000000..cd36cfc8
--- /dev/null
+++ b/sysdeps/openbsd/shm_limits.c
@@ -0,0 +1,88 @@
+/* $OpenBSD: shm_limits.c,v 1.3 2011/05/23 19:35:56 jasper Exp $	*/
+
+/* Copyright (C) 1998-99 Martin Baulig
+   This file is part of LibGTop 1.0.
+
+   Contributed by Martin Baulig <martin@home-of-linux.org>, August 1998.
+
+   LibGTop is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License,
+   or (at your option) any later version.
+
+   LibGTop is distributed in the hope that it will be useful, but WITHOUT
+   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+   for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with LibGTop; see the file COPYING. If not, write to the
+   Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.
+*/
+
+#include <config.h>
+#include <glibtop.h>
+#include <glibtop/error.h>
+#include <glibtop/shm_limits.h>
+
+#include <glibtop_suid.h>
+
+#include <sys/ipc.h>
+#include <sys/shm.h>
+
+static unsigned long _glibtop_sysdeps_shm_limits =
+(1L << GLIBTOP_IPC_SHMMAX) + (1L << GLIBTOP_IPC_SHMMIN) +
+(1L << GLIBTOP_IPC_SHMMNI) + (1L << GLIBTOP_IPC_SHMSEG) +
+(1L << GLIBTOP_IPC_SHMALL);
+
+/* The values in this structure never change at runtime, so we only
+ * read it once during initialization. We have to use the name `_shminfo'
+ * since `shminfo' is already declared external in <sys/shm.h>. */
+static struct shminfo _shminfo;
+
+/* nlist structure for kernel access */
+static struct nlist nlst [] = {
+	{ "_shminfo" },
+	{ 0 }
+};
+
+/* Init function. */
+
+void
+_glibtop_init_shm_limits_p (glibtop *server)
+{
+	if (kvm_nlist (server->machine.kd, nlst) < 0) {
+		glibtop_warn_io_r (server, "kvm_nlist (shm_limits)");
+		return;
+	}
+
+	if (kvm_read (server->machine.kd, nlst [0].n_value,
+		      &_shminfo, sizeof (_shminfo)) != sizeof (_shminfo)) {
+		glibtop_warn_io_r (server, "kvm_read (shminfo)");
+		return;
+	}
+
+	server->sysdeps.shm_limits = _glibtop_sysdeps_shm_limits;
+}
+
+/* Provides information about sysv ipc limits. */
+
+void
+glibtop_get_shm_limits_p (glibtop *server, glibtop_shm_limits *buf)
+{
+	glibtop_init_p (server, (1L << GLIBTOP_SYSDEPS_SHM_LIMITS), 0);
+
+	memset (buf, 0, sizeof (glibtop_shm_limits));
+
+	if (server->sysdeps.shm_limits == 0)
+		return;
+
+	buf->shmmax = _shminfo.shmmax;
+	buf->shmmin = _shminfo.shmmin;
+	buf->shmmni = _shminfo.shmmni;
+	buf->shmseg = _shminfo.shmseg;
+	buf->shmall = _shminfo.shmall;
+
+	buf->flags = _glibtop_sysdeps_shm_limits;
+}
diff --git a/sysdeps/openbsd/siglist.c b/sysdeps/openbsd/siglist.c
new file mode 100644
index 00000000..f23c61c8
--- /dev/null
+++ b/sysdeps/openbsd/siglist.c
@@ -0,0 +1,62 @@
+/* $OpenBSD: siglist.c,v 1.2 2011/05/23 19:35:56 jasper Exp $	*/
+
+/* Copyright (C) 1998-99 Martin Baulig
+   This file is part of LibGTop 1.0.
+
+   Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
+
+   LibGTop is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License,
+   or (at your option) any later version.
+
+   LibGTop is distributed in the hope that it will be useful, but WITHOUT
+   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+   for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with LibGTop; see the file COPYING. If not, write to the
+   Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.
+*/
+
+#include <config.h>
+#include <glibtop.h>
+#include <glibtop/signal.h>
+
+const glibtop_signame glibtop_sys_siglist [] =
+{  {  1, "SIGHUP",  "Hangup" },
+   {  2, "SIGINT",  "Interrupt" },
+   {  3, "SIGQUIT", "Quit" },
+   {  4, "SIGILL",  "Illegal Instruction" },
+   {  5, "SIGTRAP", "Trace/Breakpoint Trap" },
+   {  6, "SIGABRT", "Abort" },
+   {  7, "SIGEMT",  "Emulation Trap" },
+   {  8, "SIGFPE",  "Arithmetic Exception" },
+   {  9, "SIGKILL", "Killed" },
+   { 10, "SIGBUS",  "Bus Error" },
+   { 11, "SIGSEGV", "Segmentation Fault" },
+   { 12, "SIGSYS",  "Bad System Call" },
+   { 13, "SIGPIPE", "Broken Pipe" },
+   { 14, "SIGALRM", "Alarm Clock" },
+   { 15, "SIGTERM", "Terminated" },
+   { 16, "SIGURG",  "Urgent Condition Present On Socket" },
+   { 17, "SIGSTOP", "Stop (cannot be caught or ignored)" },
+   { 18, "SIGTSTP", "Stop Signal Generated From Keyboard" },
+   { 19, "SIGCONT", "Continue After Stop" },
+   { 20, "SIGCHLD", "Child Status Has Changed" },
+   { 21, "SIGTTIN", "Background Read Attempted From Control Terminal" },
+   { 22, "SIGTTOU", "Background Write Attempted To Control Terminal" },
+   { 23, "SIGIO",   "I/O Is Possible On A Descriptor" },
+   { 24, "SIGXCPU", "CPU Time Limit Exceeded" },
+   { 25, "SIGXFSZ", "File Size Limit Exceeded" },
+   { 26, "SIGVTALRM","Virtual Time Alarm" },
+   { 27, "SIGPROF", "Profiling Timer Alarm" },
+   { 28, "SIGWINCH","Window Size Change" },
+   { 29, "SIGINFO", "Status Request From Keyboard" },
+   { 30, "SIGUSR1", "User Defined Signal 1" },
+   { 31, "SIGUSR2", "User Defined Signal 2" },
+   { 32, "SIGTHR",  "Thread Interrupt" },
+   {  0, NULL, NULL }
+};
diff --git a/sysdeps/openbsd/swap.c b/sysdeps/openbsd/swap.c
new file mode 100644
index 00000000..7f24365f
--- /dev/null
+++ b/sysdeps/openbsd/swap.c
@@ -0,0 +1,131 @@
+/* $OpenBSD: swap.c,v 1.6 2011/05/25 10:44:34 jasper Exp $	*/
+
+/* Copyright (C) 1998-99 Martin Baulig
+   This file is part of LibGTop 1.0.
+
+   Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
+
+   LibGTop is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License,
+   or (at your option) any later version.
+
+   LibGTop is distributed in the hope that it will be useful, but WITHOUT
+   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+   for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with LibGTop; see the file COPYING. If not, write to the
+   Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.
+*/
+
+#include <config.h>
+#include <glibtop.h>
+#include <glibtop/error.h>
+#include <glibtop/swap.h>
+
+#include <glibtop_suid.h>
+
+static const unsigned long _glibtop_sysdeps_swap =
+(1L << GLIBTOP_SWAP_TOTAL) + (1L << GLIBTOP_SWAP_USED) +
+(1L << GLIBTOP_SWAP_FREE) + (1L << GLIBTOP_SWAP_PAGEIN) +
+(1L << GLIBTOP_SWAP_PAGEOUT);
+
+#include <sys/vmmeter.h>
+#include <uvm/uvm_extern.h>
+#include <sys/swap.h>
+
+static int mib_uvmexp [] = { CTL_VM, VM_UVMEXP };
+
+/* Init function. */
+
+void
+_glibtop_init_swap_p (glibtop *server)
+{
+	server->sysdeps.swap = _glibtop_sysdeps_swap;
+}
+
+/* Provides information about swap usage. */
+
+/*
+ * This function is based on a program called swapinfo written
+ * by Kevin Lahey <kml@rokkaku.atl.ga.us>.
+ */
+
+void
+glibtop_get_swap_p (glibtop *server, glibtop_swap *buf)
+{
+	struct swapent *swaplist;
+
+	int nswap, i;
+	guint64 avail = 0, inuse = 0;
+
+	int blocksize = 512; /* Default blocksize, use getbize() ? */
+	int blockdiv = blocksize / DEV_BSIZE;
+
+	struct uvmexp uvmexp;
+	size_t length_uvmexp;
+        static int swappgsin = -1;
+	static int swappgsout = -1;
+
+	glibtop_init_p (server, (1L << GLIBTOP_SYSDEPS_SWAP), 0);
+
+	memset (buf, 0, sizeof (glibtop_swap));
+
+	if (server->sysdeps.swap == 0)
+		return;
+
+	length_uvmexp = sizeof (uvmexp);
+	if (sysctl (mib_uvmexp, 2, &uvmexp, &length_uvmexp, NULL, 0)) {
+		glibtop_warn_io_r (server, "sysctl (uvmexp)");
+		return;
+	}
+
+        if (swappgsin < 0) {
+		buf->pagein = 0;
+		buf->pageout = 0;
+	} else {
+		buf->pagein = uvmexp.swapins - swappgsin;
+		buf->pageout = uvmexp.swapouts - swappgsout;
+	}
+
+	swappgsin = uvmexp.swapins;
+	swappgsout = uvmexp.swapouts;
+
+	nswap = swapctl (SWAP_NSWAP, 0, 0);
+	if (nswap < 0) {
+		glibtop_warn_io_r (server, "swapctl (SWAP_NSWAP)");
+		return;
+	}
+
+	swaplist = g_malloc (nswap * sizeof (struct swapent));
+
+	if (swapctl (SWAP_STATS, swaplist, nswap) != nswap) {
+		glibtop_warn_io_r (server, "swapctl (SWAP_STATS)");
+		g_free (swaplist);
+		return;
+	}
+
+	/* Total things up, returns in 512 bytes blocks! */
+	for (i = 0; i < nswap; i++) {
+		if (swaplist[i].se_flags & SWF_ENABLE) {
+			avail += (swaplist[i].se_nblks / blockdiv);
+			inuse += (swaplist[i].se_inuse / blockdiv);
+		}
+	}
+
+	/* Convert back to bytes, the libgtop2 is not clear about unites... */
+	avail *= 512;
+	inuse *= 512;
+
+	g_free (swaplist);
+
+	buf->flags = _glibtop_sysdeps_swap;
+
+	buf->used = inuse;
+	buf->free = avail;
+
+	buf->total = inuse + avail;
+}
diff --git a/sysdeps/openbsd/sysinfo.c b/sysdeps/openbsd/sysinfo.c
new file mode 100644
index 00000000..9b748ba0
--- /dev/null
+++ b/sysdeps/openbsd/sysinfo.c
@@ -0,0 +1,116 @@
+/* $OpenBSD: sysinfo.c,v 1.3 2011/05/23 19:35:56 jasper Exp $	*/
+
+/* Copyright (C) 1998-99 Martin Baulig
+   This file is part of LibGTop 1.0.
+
+   Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
+
+   LibGTop is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License,
+   or (at your option) any later version.
+
+   LibGTop is distributed in the hope that it will be useful, but WITHOUT
+   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+   for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with LibGTop; see the file COPYING. If not, write to the
+   Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.
+*/
+
+#include <config.h>
+#include <sys/param.h>
+#include <sys/types.h>
+#include <sys/sysctl.h>
+#include <glibtop/error.h>
+#include <glibtop/cpu.h>
+#include <glibtop/sysinfo.h>
+
+static const unsigned long _glibtop_sysdeps_sysinfo =
+(1L << GLIBTOP_SYSINFO_CPUINFO);
+
+static glibtop_sysinfo sysinfo = { .flags = 0 };
+
+static void
+init_sysinfo (glibtop *server)
+{
+	char *model;
+	int mib[2];
+	int ncpus = 1;
+	int mhz = 0;
+	size_t len;
+
+	if (G_LIKELY (sysinfo.flags))
+		return;
+
+	glibtop_init_s (&server, GLIBTOP_SYSDEPS_CPU, 0);
+
+	mib[0] = CTL_HW;
+
+	/* Get the number of CPU's present */
+	mib[1] = HW_NCPU;
+
+	len = sizeof(ncpus);
+	if (sysctl(mib, 2, &ncpus, &len, NULL, 0) != 0)
+		printf("Couldn't determine hw.ncpu.\n");
+
+	/* Get the CPU model */
+	mib[1] = HW_MODEL;
+	len = 0;
+
+	if (sysctl(mib, 2, NULL, &len, NULL, 0) != -1) {
+		model = g_malloc (len);
+		sysctl(mib, 2, model, &len, NULL, 0);
+	} else {
+		printf("Couldn't determine hw.model.\n");
+	}
+
+	/* Get the clockrate */
+	mib[1] = HW_CPUSPEED;
+	len = sizeof(mhz);
+
+	if (sysctl(mib, 2, &mhz, &len, NULL, 0) != 0)
+		printf("Couldn't determine hw.cpuspeed.\n");
+
+	for (sysinfo.ncpu = 0;
+	     sysinfo.ncpu < GLIBTOP_NCPU && sysinfo.ncpu < ncpus;
+	     sysinfo.ncpu++) {
+		glibtop_entry * const cpuinfo = &sysinfo.cpuinfo[sysinfo.ncpu];
+
+		cpuinfo->labels = g_ptr_array_new ();
+
+		cpuinfo->values = g_hash_table_new_full(g_str_hash,
+							g_str_equal,
+							NULL, g_free);
+
+		g_ptr_array_add (cpuinfo->labels, "processor");
+		g_hash_table_insert (cpuinfo->values, "processor",
+				     g_strdup_printf("%u", (guint)sysinfo.ncpu));
+
+		g_ptr_array_add (cpuinfo->labels, "vendor_id");
+		g_hash_table_insert (cpuinfo->values, "vendor_id",
+				     g_strdup(model));
+
+		g_ptr_array_add (cpuinfo->labels, "model name");
+		g_hash_table_insert (cpuinfo->values, "model name",
+				     g_strdup(model));
+
+		g_ptr_array_add (cpuinfo->labels, "cpu MHz");
+		g_hash_table_insert (cpuinfo->values, "cpu MHz",
+				     g_strdup_printf("%d", mhz));
+	}
+
+	g_free (model);
+
+	sysinfo.flags = _glibtop_sysdeps_sysinfo;
+}
+
+const glibtop_sysinfo *
+glibtop_get_sysinfo_s (glibtop *server)
+{
+	init_sysinfo (server);
+	return &sysinfo;
+}
diff --git a/sysdeps/openbsd/uptime.c b/sysdeps/openbsd/uptime.c
new file mode 100644
index 00000000..fdfd44c6
--- /dev/null
+++ b/sysdeps/openbsd/uptime.c
@@ -0,0 +1,70 @@
+/* $OpenBSD: uptime.c,v 1.3 2011/05/23 19:35:57 jasper Exp $	*/
+
+/* Copyright (C) 1998-99 Martin Baulig
+   This file is part of LibGTop 1.0.
+
+   Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
+
+   LibGTop is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License,
+   or (at your option) any later version.
+
+   LibGTop is distributed in the hope that it will be useful, but WITHOUT
+   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+   for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with LibGTop; see the file COPYING. If not, write to the
+   Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.
+*/
+
+#include <config.h>
+#include <glibtop.h>
+#include <glibtop/error.h>
+#include <glibtop/uptime.h>
+
+#include <glibtop/cpu.h>
+
+#include <glibtop_suid.h>
+
+static const unsigned long _glibtop_sysdeps_uptime =
+(1L << GLIBTOP_UPTIME_UPTIME) + (1L << GLIBTOP_UPTIME_IDLETIME);
+
+static const unsigned long _required_cpu_flags =
+(1L << GLIBTOP_CPU_TOTAL) + (1L << GLIBTOP_CPU_IDLE) +
+(1L << GLIBTOP_CPU_FREQUENCY);
+
+/* Init function. */
+
+void
+_glibtop_init_uptime_p (glibtop *server)
+{
+	server->sysdeps.uptime = _glibtop_sysdeps_uptime;
+}
+
+/* Provides uptime and idle time. */
+
+void
+glibtop_get_uptime_p (glibtop *server, glibtop_uptime *buf)
+{
+	time_t now;
+	time_t uptime;
+	int mib[2];
+	struct timeval boottime;
+	size_t size;
+
+	mib[0] = CTL_KERN;
+	mib[1] = KERN_BOOTTIME;
+	size = sizeof(boottime);
+	if (sysctl(mib, 2, &boottime, &size, NULL, 0) != -1 &&
+	    boottime.tv_sec != 0) {
+		time(&now);
+		buf->uptime = now - boottime.tv_sec;
+		/* XXX: don't know a useful value to put here. */
+		buf->idletime = 0;
+		buf->flags = _glibtop_sysdeps_uptime;
+	}
+}