Added darwin port. Patch by Benjamin Reed <ranger@befunk.com>. Closes

Added darwin port.
Patch by Benjamin Reed <ranger@befunk.com>.
Closes #481068.

Bumped version number to 2.21.1.

svn path=/trunk/; revision=2666

36 files changed, 2506 insertions, 3 deletions

diff --git a/configure.in b/configure.in
index cdf1c8a7..0216bc2d 100644
--- a/configure.in
+++ b/configure.in
@@ -3,8 +3,8 @@ dnl Configure script for the Gnome library
 dnl
 
 m4_define([libgtop_major_version], [2])
-m4_define([libgtop_minor_version], [20])
-m4_define([libgtop_micro_version], [0])
+m4_define([libgtop_minor_version], [21])
+m4_define([libgtop_micro_version], [1])
 m4_define([libgtop_version], [libgtop_major_version.libgtop_minor_version.libgtop_micro_version])
 
 dnl  increment if the interface has additions, changes, removals.
@@ -380,6 +380,7 @@ sysdeps/freebsd/Makefile
 sysdeps/solaris/Makefile
 sysdeps/aix/Makefile
 sysdeps/bsd/Makefile
+sysdeps/darwin/Makefile
 src/Makefile
 src/daemon/Makefile
 lib/Makefile
diff --git a/libgtop-sysdeps.m4 b/libgtop-sysdeps.m4
index 03044626..67518ca3 100644
--- a/libgtop-sysdeps.m4
+++ b/libgtop-sysdeps.m4
@@ -92,6 +92,13 @@ AC_DEFUN([GNOME_LIBGTOP_SYSDEPS],[
 	  libgtop_have_sysinfo=yes
 	  libgtop_postinstall='chgrp system $(bindir)/libgtop_server && chmod g+s $(bindir)/libgtop_server2'
 	  ;;
+	darwin*)
+	  libgtop_sysdeps_dir=darwin
+	  libgtop_use_machine_h=yes
+	  libgtop_need_server=yes
+	  libgtop_have_sysinfo=yes
+	  libgtop_postinstall='chgrp kmem $(bindir)/libgtop_server && chmod g+s $(bindir)/libgtop_server2'
+	  ;;
 	*)
 	  if test x$hacker_mode = xyes ; then
 	    case "$host_os" in
diff --git a/sysdeps/Makefile.am b/sysdeps/Makefile.am
index bcdca880..677dd9f3 100644
--- a/sysdeps/Makefile.am
+++ b/sysdeps/Makefile.am
@@ -2,4 +2,4 @@
 SUBDIRS			= common @sysdeps_dir@
 
 DIST_SUBDIRS		= bsd common linux osf1 \
-			  stub stub_suid sun4 freebsd solaris aix
+			  stub stub_suid sun4 freebsd solaris aix darwin
diff --git a/sysdeps/darwin/Makefile.am b/sysdeps/darwin/Makefile.am
new file mode 100644
index 00000000..2a9e9762
--- /dev/null
+++ b/sysdeps/darwin/Makefile.am
@@ -0,0 +1,16 @@
+INCLUDES			= @INCLUDES@ @LIBGTOP_INCS@
+
+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_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 netload.c ppp.c netlist.c procopenfiles.c procwd.c
+
+libgtopinclude_HEADERS		= glibtop_server.h glibtop_machine.h
+libgtopincludedir		= $(includedir)/libgtop-2.0
+
+noinst_HEADERS			= glibtop_suid.h
diff --git a/sysdeps/darwin/close.c b/sysdeps/darwin/close.c
new file mode 100644
index 00000000..44a8e062
--- /dev/null
+++ b/sysdeps/darwin/close.c
@@ -0,0 +1,27 @@
+/*
+   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/close.h>
+
+/* Closes pipe to gtop server. */
+
+void
+glibtop_close_p (glibtop *server)
+{ }
diff --git a/sysdeps/darwin/close_suid.c b/sysdeps/darwin/close_suid.c
new file mode 100644
index 00000000..314011b2
--- /dev/null
+++ b/sysdeps/darwin/close_suid.c
@@ -0,0 +1,26 @@
+/*
+   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 <glibtop/close.h>
+
+/* Closes pipe to gtop server. */
+
+void
+glibtop_close_p (glibtop *server)
+{ }
diff --git a/sysdeps/darwin/cpu.c b/sysdeps/darwin/cpu.c
new file mode 100644
index 00000000..7328fd27
--- /dev/null
+++ b/sysdeps/darwin/cpu.c
@@ -0,0 +1,91 @@
+/*
+   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 <unistd.h>
+
+#include <glibtop.h>
+#include <glibtop/error.h>
+#include <glibtop/cpu.h>
+
+#include <glibtop_suid.h>
+
+#include <mach/mach_init.h>
+#include <mach/mach_host.h>
+#include <mach/vm_map.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_XCPU_TOTAL) + (1L << GLIBTOP_XCPU_USER) +
+(1L << GLIBTOP_XCPU_NICE)  + (1L << GLIBTOP_XCPU_SYS) +
+(1L << GLIBTOP_XCPU_IDLE);
+
+/* 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)
+{
+	processor_cpu_load_info_data_t *pinfo;
+	mach_msg_type_number_t info_count;
+	natural_t processor_count;
+	int i;
+
+	glibtop_init_p (server, (1 << GLIBTOP_SYSDEPS_CPU), 0);
+
+	memset (buf, 0, sizeof (glibtop_cpu));
+
+	if (host_processor_info (mach_host_self (),
+				 PROCESSOR_CPU_LOAD_INFO,
+				 &processor_count,
+				 (processor_info_array_t*)&pinfo,
+				 &info_count)) {
+		glibtop_warn_io_r (server, "host_processor_info (cpu)");
+		return;
+	}
+
+	for (i = 0; i < server->ncpu; i++) {
+		buf->xcpu_user [i] = pinfo[i].cpu_ticks [CPU_STATE_USER];
+		buf->xcpu_sys  [i] = pinfo[i].cpu_ticks [CPU_STATE_SYSTEM];
+		buf->xcpu_idle [i] = pinfo[i].cpu_ticks [CPU_STATE_IDLE];
+		buf->xcpu_nice [i] = pinfo[i].cpu_ticks [CPU_STATE_NICE];
+		buf->xcpu_total[i] = buf->xcpu_user [i] + buf->xcpu_sys  [i] +
+				     buf->xcpu_idle [i] + buf->xcpu_nice [i];
+
+		buf->user  += buf->xcpu_user [i];
+		buf->sys   += buf->xcpu_sys  [i];
+		buf->idle  += buf->xcpu_idle [i];
+		buf->nice  += buf->xcpu_nice [i];
+		buf->total += buf->xcpu_total[i];
+	}
+	vm_deallocate (mach_task_self (), (vm_address_t) pinfo, info_count);
+
+	buf->frequency = 100;
+	buf->flags = _glibtop_sysdeps_cpu;
+}
+
diff --git a/sysdeps/darwin/glibtop_machine.h b/sysdeps/darwin/glibtop_machine.h
new file mode 100644
index 00000000..8f14292e
--- /dev/null
+++ b/sysdeps/darwin/glibtop_machine.h
@@ -0,0 +1,35 @@
+/*
+   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 __GLIBTOP_MACHINE_H__
+#define __GLIBTOP_MACHINE_H__
+
+G_BEGIN_DECLS
+
+typedef struct _glibtop_machine		glibtop_machine;
+
+struct _glibtop_machine
+{
+	uid_t uid, euid;		/* Real and effective user id */
+	gid_t gid, egid;		/* Real and effective group id */
+};
+
+G_END_DECLS
+
+#endif
diff --git a/sysdeps/darwin/glibtop_server.h b/sysdeps/darwin/glibtop_server.h
new file mode 100644
index 00000000..24af9dfe
--- /dev/null
+++ b/sysdeps/darwin/glibtop_server.h
@@ -0,0 +1,50 @@
+/*
+   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 __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		(1 << GLIBTOP_SYSDEPS_PROC_WD)
+
+G_END_DECLS
+
+#endif
diff --git a/sysdeps/darwin/glibtop_suid.h b/sysdeps/darwin/glibtop_suid.h
new file mode 100644
index 00000000..f70f418d
--- /dev/null
+++ b/sysdeps/darwin/glibtop_suid.h
@@ -0,0 +1,44 @@
+/*
+   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 __GLIBTOP_SUID_H__
+#define __GLIBTOP_SUID_H__
+
+G_BEGIN_DECLS
+
+static inline void glibtop_suid_enter (glibtop *server) {
+	setreuid (server->machine.uid, server->machine.euid);
+};
+
+static inline void glibtop_suid_leave (glibtop *server) {
+	if (setreuid (server->machine.euid, server->machine.uid))
+		_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/darwin/loadavg.c b/sysdeps/darwin/loadavg.c
new file mode 100644
index 00000000..adcbe9d2
--- /dev/null
+++ b/sysdeps/darwin/loadavg.c
@@ -0,0 +1,65 @@
+/*
+   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 <unistd.h>
+
+#include <glibtop.h>
+#include <glibtop/error.h>
+#include <glibtop/loadavg.h>
+
+#include <glibtop_suid.h>
+
+#include <stdlib.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, (1 << GLIBTOP_SYSDEPS_LOADAVG), 0);
+
+	memset (buf, 0, sizeof (glibtop_loadavg));
+
+	if (getloadavg (ldavg, 3) != 3) {
+		glibtop_warn_io_r (server, "getloadavg");
+		return;
+	}
+
+	/* fill in the struct */
+	buf->flags = _glibtop_sysdeps_loadavg;
+	for (i = 0; i < 3; i++) {
+		buf->loadavg [i] = ldavg [i];
+	}
+}
+
diff --git a/sysdeps/darwin/mem.c b/sysdeps/darwin/mem.c
new file mode 100644
index 00000000..ec252613
--- /dev/null
+++ b/sysdeps/darwin/mem.c
@@ -0,0 +1,70 @@
+/*
+   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 <unistd.h>
+
+#include <glibtop.h>
+#include <glibtop/error.h>
+#include <glibtop/mem.h>
+
+#include <glibtop_suid.h>
+
+#include <mach/mach_init.h>
+#include <mach/mach_host.h>
+#include <mach/host_info.h>
+
+static const unsigned long _glibtop_sysdeps_mem =
+(1L << GLIBTOP_MEM_TOTAL) + (1L << GLIBTOP_MEM_USED) +
+(1L << GLIBTOP_MEM_FREE);
+
+/* Init function. */
+
+void
+_glibtop_init_mem_p (glibtop *server)
+{
+	server->sysdeps.mem = _glibtop_sysdeps_mem;
+}
+
+/* Provides information about memory usage. */
+
+void
+glibtop_get_mem_p (glibtop *server, glibtop_mem *buf)
+{
+	vm_statistics_data_t vm_info;
+	mach_msg_type_number_t info_count;
+
+	glibtop_init_p (server, (1 << GLIBTOP_SYSDEPS_MEM), 0);
+
+	memset (buf, 0, sizeof (glibtop_mem));
+
+	info_count = HOST_VM_INFO_COUNT;
+	if (host_statistics (mach_host_self (), HOST_VM_INFO,
+			     (host_info_t)&vm_info, &info_count)) {
+		glibtop_warn_io_r (server, "host_statistics (vm_statistics)");
+		return;
+	}
+
+	buf->total = (vm_info.active_count + vm_info.inactive_count +
+		      vm_info.free_count + vm_info.wire_count) * vm_page_size;
+	buf->free = vm_info.free_count   * vm_page_size;
+	buf->used = buf->total - buf->free;
+	buf->flags = _glibtop_sysdeps_mem;
+}
+
diff --git a/sysdeps/darwin/msg_limits.c b/sysdeps/darwin/msg_limits.c
new file mode 100644
index 00000000..a4dcd44c
--- /dev/null
+++ b/sysdeps/darwin/msg_limits.c
@@ -0,0 +1,47 @@
+/*
+   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 <unistd.h>
+
+#include <glibtop.h>
+#include <glibtop/error.h>
+#include <glibtop/msg_limits.h>
+
+#include <glibtop_suid.h>
+
+static const unsigned long _glibtop_sysdeps_msg_limits = 0;
+
+/* Init function. */
+
+void
+_glibtop_init_msg_limits_p (glibtop *server)
+{
+	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, (1 << GLIBTOP_SYSDEPS_MSG_LIMITS), 0);
+
+	memset (buf, 0, sizeof (glibtop_msg_limits));
+}
diff --git a/sysdeps/darwin/netlist.c b/sysdeps/darwin/netlist.c
new file mode 100644
index 00000000..ab329803
--- /dev/null
+++ b/sysdeps/darwin/netlist.c
@@ -0,0 +1,66 @@
+/*
+   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/darwin/netload.c b/sysdeps/darwin/netload.c
new file mode 100644
index 00000000..91c5d947
--- /dev/null
+++ b/sysdeps/darwin/netload.c
@@ -0,0 +1,165 @@
+/*
+   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 <unistd.h>
+
+#include <glibtop.h>
+#include <glibtop/error.h>
+#include <glibtop/netload.h>
+
+#include <glibtop_suid.h>
+
+#include <sys/types.h>
+#include <sys/sysctl.h>
+#include <sys/socket.h>
+#include <net/if.h>
+#include <net/if_dl.h>
+#include <net/route.h>
+
+static const unsigned long _glibtop_sysdeps_netload =
+(1L << GLIBTOP_NETLOAD_IF_FLAGS) +
+(1L << GLIBTOP_NETLOAD_MTU) +
+/* (1L << GLIBTOP_NETLOAD_SUBNET) + */
+/* (1L << GLIBTOP_NETLOAD_ADDRESS) + */
+(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);
+
+/* Init function. */
+
+void
+_glibtop_init_netload_p (glibtop *server)
+{
+	server->sysdeps.netload = _glibtop_sysdeps_netload;
+}
+
+/* Provides Network statistics. */
+
+void
+glibtop_get_netload_p (glibtop *server, glibtop_netload *buf,
+		       const char *interface)
+{
+	int mib[] = { CTL_NET, PF_ROUTE, 0, 0, NET_RT_IFLIST, 0 };
+	size_t bufsize;
+	char *rtbuf, *ptr, *eob;
+	struct if_msghdr *ifm;
+
+	glibtop_init_p (server, (1 << GLIBTOP_SYSDEPS_NETLOAD), 0);
+
+	memset (buf, 0, sizeof (glibtop_netload));
+
+	if (sysctl (mib, 6, NULL, &bufsize, NULL, 0) < 0)
+		return;
+
+	rtbuf = (char*)g_malloc (bufsize);
+	if (rtbuf == NULL)
+		return;
+
+	if (sysctl (mib, 6, rtbuf, &bufsize, NULL, 0) < 0) {
+		g_free (rtbuf);
+		return;
+	}
+
+	eob = rtbuf + bufsize;
+	ptr = rtbuf;
+	while (ptr < eob) {
+		struct sockaddr_dl *sdl;
+
+		ifm = (struct if_msghdr*) ptr;
+
+		if (ifm->ifm_type != RTM_IFINFO)
+			break;
+		ptr += ifm->ifm_msglen;
+
+		while (ptr < eob) {
+			struct if_msghdr *nextifm = (struct if_msghdr*) ptr;
+
+			if (nextifm->ifm_type != RTM_NEWADDR)
+				break;
+			ptr += nextifm->ifm_msglen;
+		}
+
+		sdl = (struct sockaddr_dl*) (ifm + 1);
+		if (sdl->sdl_family != AF_LINK)
+			continue;
+		if (strlen (interface) != sdl->sdl_nlen)
+			continue;
+		if (strcmp (interface, sdl->sdl_data) == 0)
+			goto FOUND;
+	}
+	g_free (rtbuf);
+	return;
+
+FOUND:
+	if (ifm->ifm_flags & IFF_UP)
+		buf->if_flags |= GLIBTOP_IF_FLAGS_UP;
+	if (ifm->ifm_flags & IFF_BROADCAST)
+		buf->if_flags |= GLIBTOP_IF_FLAGS_BROADCAST;
+	if (ifm->ifm_flags & IFF_DEBUG)
+		buf->if_flags |= GLIBTOP_IF_FLAGS_DEBUG;
+	if (ifm->ifm_flags & IFF_LOOPBACK)
+		buf->if_flags |= GLIBTOP_IF_FLAGS_LOOPBACK;
+	if (ifm->ifm_flags & IFF_POINTOPOINT)
+		buf->if_flags |= GLIBTOP_IF_FLAGS_POINTOPOINT;
+	if (ifm->ifm_flags & IFF_RUNNING)
+		buf->if_flags |= GLIBTOP_IF_FLAGS_RUNNING;
+	if (ifm->ifm_flags & IFF_NOARP)
+		buf->if_flags |= GLIBTOP_IF_FLAGS_NOARP;
+	if (ifm->ifm_flags & IFF_NOARP)
+		buf->if_flags |= GLIBTOP_IF_FLAGS_PROMISC;
+	if (ifm->ifm_flags & IFF_ALLMULTI)
+		buf->if_flags |= GLIBTOP_IF_FLAGS_ALLMULTI;
+	if (ifm->ifm_flags & IFF_OACTIVE)
+		buf->if_flags |= GLIBTOP_IF_FLAGS_OACTIVE;
+	if (ifm->ifm_flags & IFF_SIMPLEX)
+		buf->if_flags |= GLIBTOP_IF_FLAGS_SIMPLEX;
+	if (ifm->ifm_flags & IFF_LINK0)
+		buf->if_flags |= GLIBTOP_IF_FLAGS_LINK0;
+	if (ifm->ifm_flags & IFF_LINK1)
+		buf->if_flags |= GLIBTOP_IF_FLAGS_LINK1;
+	if (ifm->ifm_flags & IFF_LINK2)
+		buf->if_flags |= GLIBTOP_IF_FLAGS_LINK2;
+	if (ifm->ifm_flags & IFF_ALTPHYS)
+		buf->if_flags |= GLIBTOP_IF_FLAGS_ALTPHYS;
+	if (ifm->ifm_flags & IFF_MULTICAST)
+		buf->if_flags |= GLIBTOP_IF_FLAGS_MULTICAST;
+	buf->mtu		= ifm->ifm_data.ifi_mtu;
+	buf->subnet		= 0; /* FIXME */
+	buf->address		= 0; /* FIXME */
+	buf->packets_in		= ifm->ifm_data.ifi_ipackets;
+	buf->packets_out	= ifm->ifm_data.ifi_opackets;
+	buf->packets_total	= buf->packets_in + buf->packets_out;
+	buf->bytes_in		= ifm->ifm_data.ifi_ibytes;
+	buf->bytes_out		= ifm->ifm_data.ifi_obytes;
+	buf->bytes_total	= buf->bytes_in + buf->bytes_out;
+	buf->errors_in		= ifm->ifm_data.ifi_ierrors;
+	buf->errors_out		= ifm->ifm_data.ifi_oerrors;
+	buf->errors_total	= buf->errors_in + buf->errors_out;
+	buf->collisions		= ifm->ifm_data.ifi_collisions;
+	buf->flags		= _glibtop_sysdeps_netload;
+	g_free (buf);
+}
diff --git a/sysdeps/darwin/nosuid.c b/sysdeps/darwin/nosuid.c
new file mode 100644
index 00000000..72a7ce30
--- /dev/null
+++ b/sysdeps/darwin/nosuid.c
@@ -0,0 +1,55 @@
+/*
+   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 <unistd.h>
+
+#include <glibtop.h>
+#include <glibtop/cpu.h>
+#include <glibtop/open.h>
+
+#include <mach/mach_host.h>
+#include <mach/mach_init.h>
+#include <mach/mach_interface.h>
+
+#include <glibtop/error.h>
+
+void
+glibtop_open_s (glibtop *server, const char *program_name,
+		const unsigned long features, const unsigned flags)
+{
+	processor_cpu_load_info_data_t *pinfo;
+	mach_msg_type_number_t info_count;   
+	natural_t processor_count;
+
+	if (host_processor_info (mach_host_self (),
+		PROCESSOR_CPU_LOAD_INFO,
+		&processor_count,
+		(processor_info_array_t*)&pinfo,
+		&info_count)) {
+		glibtop_error_io_r (server, "host_processor_info");
+	}
+	server->ncpu = (processor_count <= GLIBTOP_NCPU) ?
+		processor_count : GLIBTOP_NCPU;
+	vm_deallocate (mach_task_self (), (vm_address_t) pinfo, info_count);
+}
+
+void
+glibtop_close_s (glibtop *server)
+{ }
diff --git a/sysdeps/darwin/open.c b/sysdeps/darwin/open.c
new file mode 100644
index 00000000..4351558f
--- /dev/null
+++ b/sysdeps/darwin/open.c
@@ -0,0 +1,98 @@
+/*
+   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.h>
+#include <glibtop/cpu.h>
+#include <glibtop/open.h>
+
+#include <mach/mach_host.h>
+#include <mach/mach_init.h>
+#include <mach/mach_interface.h>
+
+#include <glibtop/init_hooks.h>
+#include <glibtop/error.h>
+
+#include <unistd.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_INIT) == 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_INIT;
+	}
+}
+
+void
+glibtop_open_p (glibtop *server, const char *program_name,
+		const unsigned long features, const unsigned flags)
+{
+        processor_cpu_load_info_data_t *pinfo;
+        mach_msg_type_number_t info_count;
+        natural_t processor_count;
+
+	/* !!! WE ARE ROOT HERE - CHANGE WITH CAUTION !!! */
+
+	server->name = program_name;
+
+	server->machine.uid = getuid ();
+	server->machine.euid = geteuid ();
+	server->machine.gid = getgid ();
+	server->machine.egid = getegid ();
+
+	/* 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. */
+
+	if (host_processor_info (mach_host_self (),
+		PROCESSOR_CPU_LOAD_INFO,
+		&processor_count,
+		(processor_info_array_t*)&pinfo,
+		&info_count)) {
+		glibtop_error_io_r (server, "host_processor_info");
+	}
+	server->ncpu = (processor_count <= GLIBTOP_NCPU) ?
+		processor_count : GLIBTOP_NCPU;
+	vm_deallocate (mach_task_self (), (vm_address_t) pinfo, info_count);
+}
diff --git a/sysdeps/darwin/ppp.c b/sysdeps/darwin/ppp.c
new file mode 100644
index 00000000..83738fec
--- /dev/null
+++ b/sysdeps/darwin/ppp.c
@@ -0,0 +1,47 @@
+/*
+   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 <unistd.h>
+
+#include <glibtop.h>
+#include <glibtop/error.h>
+#include <glibtop/ppp.h>
+
+#include <glibtop_suid.h>
+
+static const unsigned long _glibtop_sysdeps_ppp = 0;
+
+/* Init function. */
+
+void
+_glibtop_init_ppp_p (glibtop *server)
+{
+	server->sysdeps.ppp = _glibtop_sysdeps_ppp;
+}
+
+/* Provides PPP/ISDN information. */
+
+void
+glibtop_get_ppp_p (glibtop *server, glibtop_ppp *buf, unsigned short device)
+{
+	glibtop_init_p (server, (1 << GLIBTOP_SYSDEPS_PPP), 0);
+
+	memset (buf, 0, sizeof (glibtop_ppp));
+}
diff --git a/sysdeps/darwin/procargs.c b/sysdeps/darwin/procargs.c
new file mode 100644
index 00000000..e683588d
--- /dev/null
+++ b/sysdeps/darwin/procargs.c
@@ -0,0 +1,130 @@
+/*
+   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 <unistd.h>
+
+#include <glibtop.h>
+#include <glibtop/error.h>
+#include <glibtop/procargs.h>
+
+#include <glibtop_suid.h>
+
+#include <sys/param.h>
+#include <sys/sysctl.h>
+#include <limits.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)
+{
+	char argbuf[4096];
+	char *start, *end, *str;
+	size_t bufsize = 4096;
+	int mib [3];
+	unsigned length;
+	char *args;
+	int *ip;
+
+	glibtop_init_p (server, (1 << GLIBTOP_SYSDEPS_PROC_ARGS), 0);
+
+	memset (buf, 0, sizeof (glibtop_proc_args));
+
+	mib [0] = CTL_KERN;
+	mib [1] = KERN_PROCARGS;
+	mib [2] = pid;
+	
+	/* !!! THE FOLLOWING CODE RUNS SUID ROOT - CHANGE WITH CAUTION !!! */
+
+	glibtop_suid_enter (server);
+	if (sysctl (mib, 3, argbuf, &bufsize, NULL, 0) < 0) {
+		glibtop_suid_leave (server);
+		return NULL;
+	}
+	glibtop_suid_leave (server);
+
+	/* !!! END OF SUID ROOT PART !!! */
+
+    	end = &argbuf[bufsize];
+
+	ip = (int *)end - 2;
+	while (*--ip) {
+		if (ip == (int *)argbuf) {
+			return NULL;
+		}
+	}
+
+	start = (char *)(ip + 1);
+	while (*--ip) {
+		if (ip == (int *)argbuf) {
+			return NULL;
+		}
+	}
+	ip++;
+
+        if ((ip[0] & 0xbfff0000) == 0xbfff0000) {
+		ip += 2;
+		start = (char*)(ip + (strlen ((char*)ip) + 3) / 4);
+		while (!*start)
+			start++;
+	}
+
+	for (str = start + strlen (start); str < end - 1; str++) {
+		if (*str == '=') {
+			while (*str != '\0' && str > start)
+				str--;
+			break;
+		}
+	}
+	end = str;
+
+	if (start[0] == '-' || start[0] == '?' || start[0] <= ' ') {
+		return NULL;
+	}
+
+	length = end - start;
+	if (max_len != 0 && length > max_len)
+		length = max_len;
+	args = g_malloc(length + 1);
+	if (args == NULL) {
+		glibtop_warn_io_r (server, "malloc(procargs)");
+		return NULL;
+	}
+
+	memcpy (args, start, length);
+	args [length] = '\0';
+
+	buf->size = length;
+	buf->flags = _glibtop_sysdeps_proc_args;
+
+	return args;
+}
diff --git a/sysdeps/darwin/prockernel.c b/sysdeps/darwin/prockernel.c
new file mode 100644
index 00000000..83faeaf7
--- /dev/null
+++ b/sysdeps/darwin/prockernel.c
@@ -0,0 +1,48 @@
+/*
+   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 <unistd.h>
+
+#include <glibtop.h>
+#include <glibtop/error.h>
+#include <glibtop/prockernel.h>
+
+#include <glibtop_suid.h>
+
+static const unsigned long _glibtop_sysdeps_proc_kernel = 0;
+
+/* Init function. */
+
+void
+_glibtop_init_proc_kernel_p (glibtop *server)
+{
+	server->sysdeps.proc_kernel = _glibtop_sysdeps_proc_kernel;
+}
+
+/* Provides detailed information about a process. */
+
+void
+glibtop_get_proc_kernel_p (glibtop *server, glibtop_proc_kernel *buf,
+			   pid_t pid)
+{
+	glibtop_init_p (server, (1 << GLIBTOP_SYSDEPS_PROC_KERNEL), 0);
+	
+	memset (buf, 0, sizeof (glibtop_proc_kernel));
+}
diff --git a/sysdeps/darwin/proclist.c b/sysdeps/darwin/proclist.c
new file mode 100644
index 00000000..8cfb85d4
--- /dev/null
+++ b/sysdeps/darwin/proclist.c
@@ -0,0 +1,104 @@
+/*
+   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 <unistd.h>
+
+#include <glibtop.h>
+#include <glibtop/error.h>
+#include <glibtop/proclist.h>
+
+#include <glibtop_suid.h>
+
+#include <sys/param.h>
+#include <sys/sysctl.h>  
+
+static const unsigned long _glibtop_sysdeps_proclist =
+(1L << GLIBTOP_PROCLIST_TOTAL) + (1L << GLIBTOP_PROCLIST_NUMBER) +
+(1L << GLIBTOP_PROCLIST_SIZE);
+
+/* 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,
+			int64_t which, int64_t arg)
+{
+	unsigned count, total, i;
+	pid_t *pids_chain;
+	int mib[4];
+	struct kinfo_proc *kp;
+	size_t length;
+
+	glibtop_init_p (server, (1 << GLIBTOP_SYSDEPS_PROCLIST), 0);
+
+	memset (buf, 0, sizeof (glibtop_proclist));
+
+	mib [0] = CTL_KERN;
+	mib [1] = KERN_PROC;
+	mib [2] = (int)(which & GLIBTOP_KERN_PROC_MASK);
+	mib [3] = (int)arg;
+
+	if (sysctl (mib, 4, NULL, &length, NULL, 0) < 0) {
+		glibtop_warn_io_r (server, "sysctl (proclist)");
+		return NULL;
+	}
+	if ((kp = (struct kinfo_proc *) g_malloc(length)) == NULL) {
+		glibtop_warn_io_r (server, "malloc (proclist)");
+		return NULL;
+	}
+	if (sysctl (mib, 4, kp, &length, NULL, 0) < 0) {
+		glibtop_warn_io_r (server, "sysctl (proclist)");
+		g_free (kp);
+		return NULL;
+	}
+
+	count = length / sizeof (struct kinfo_proc);
+	pids_chain = g_malloc(count * sizeof (unsigned));
+	if (pids_chain ==  NULL) {
+		glibtop_warn_io_r (server, "g_realloc (proclist)");
+		g_free (kp);
+		return NULL;
+	}
+
+	for (total = 0, i = 0; i < count; i++) {
+		if ((which & GLIBTOP_EXCLUDE_IDLE) &&
+		    (kp [i].kp_proc.p_stat != SRUN))
+			continue;
+		if ((which & GLIBTOP_EXCLUDE_SYSTEM) &&
+			 (kp [i].kp_eproc.e_pcred.p_ruid == 0))
+			continue;
+		pids_chain [total++] = (unsigned) kp [i].kp_proc.p_pid;
+	}
+
+	g_free (kp);
+
+	buf->number = total;
+	buf->size = sizeof (unsigned);
+	buf->total = total * sizeof (unsigned);
+	buf->flags = _glibtop_sysdeps_proclist;
+
+	return pids_chain;
+}
+
diff --git a/sysdeps/darwin/procmap.c b/sysdeps/darwin/procmap.c
new file mode 100644
index 00000000..b8cc66b2
--- /dev/null
+++ b/sysdeps/darwin/procmap.c
@@ -0,0 +1,134 @@
+/*
+   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 <unistd.h>
+
+#include <glibtop.h>
+#include <glibtop/error.h>
+#include <glibtop/procmap.h>
+
+#include <glibtop_suid.h>
+
+#include <mach/mach_init.h>
+#include <mach/mach_host.h>
+#include <mach/vm_map.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_proc_map_entry =
+(1L << GLIBTOP_MAP_ENTRY_START) + (1L << GLIBTOP_MAP_ENTRY_END) +
+(1L << GLIBTOP_MAP_ENTRY_OFFSET) + (1L << GLIBTOP_MAP_ENTRY_PERM);
+
+/* Init function. */
+
+void
+_glibtop_init_proc_map_p (glibtop *server)
+{
+	server->sysdeps.proc_map = _glibtop_sysdeps_proc_map;
+}
+
+/* Provides detailed information about a process. */
+
+glibtop_map_entry *
+glibtop_get_proc_map_p (glibtop *server, glibtop_proc_map *buf,	pid_t pid)
+{
+	glibtop_map_entry *maps;
+	mach_port_t task;
+	vm_address_t address;
+	natural_t nesting_depth;
+	int n;
+
+	glibtop_init_p (server, (1 << GLIBTOP_SYSDEPS_PROC_MAP), 0);
+
+	memset (buf, 0, sizeof (glibtop_proc_map));
+
+	/* !!! THE FOLLOWING CODE RUNS SUID ROOT - CHANGE WITH CAUTION !!! */
+
+	glibtop_suid_enter (server);
+
+	if (task_for_pid (mach_task_self (), pid, &task) != KERN_SUCCESS) {
+		glibtop_suid_leave (server);
+		glibtop_warn_io_r (server, "task_for_pid (procmap)");
+		return NULL;
+	}
+
+	maps = NULL;
+	n = 0;
+	address = 0;
+	nesting_depth = 0;
+	while (1) {
+		vm_region_submap_info_data_64_t info;
+		mach_msg_type_number_t info_count;
+		vm_size_t size;
+
+		info_count = VM_REGION_SUBMAP_INFO_COUNT_64;
+		if (vm_region_recurse_64 (task, &address, &size, &nesting_depth,
+			(vm_region_recurse_info_64_t)&info, &info_count))
+			break;
+
+		if (info.is_submap) {
+			nesting_depth++;
+			continue;
+		}
+
+		maps = g_realloc (maps, (n + 1) * sizeof (glibtop_map_entry));
+		if (!maps) {
+			glibtop_suid_leave (server);
+			return NULL;
+		}
+
+		memset (maps + n, 0, sizeof (glibtop_map_entry));
+
+		maps[n].start	= address;
+		maps[n].end	= address + size - 1;
+		maps[n].offset	= info.offset;
+		if (info.protection & VM_PROT_READ)
+			maps[n].perm |= GLIBTOP_MAP_PERM_READ;
+		if (info.protection & VM_PROT_WRITE) 
+			maps[n].perm |= GLIBTOP_MAP_PERM_WRITE;
+		if (info.protection & VM_PROT_EXECUTE)      
+			maps[n].perm |= GLIBTOP_MAP_PERM_EXECUTE;
+		if (info.share_mode == SM_PRIVATE ||
+		    info.share_mode == SM_PRIVATE_ALIASED)
+			maps[n].perm |= GLIBTOP_MAP_PERM_PRIVATE;
+		if (info.share_mode == SM_SHARED ||
+		    info.share_mode == SM_TRUESHARED ||
+		    info.share_mode == SM_SHARED_ALIASED)
+			maps[n].perm |= GLIBTOP_MAP_PERM_SHARED;
+
+		maps[n].flags	= _glibtop_sysdeps_proc_map_entry;
+
+		address += size;
+		n++;
+	}
+
+	glibtop_suid_leave (server);
+
+	/* !!! END OF SUID ROOT PART !!! */
+
+	buf->number	= n;
+	buf->size	= sizeof (glibtop_map_entry);
+	buf->total	= n * sizeof (glibtop_map_entry);
+	buf->flags	= _glibtop_sysdeps_proc_map;
+
+	return maps;
+}
diff --git a/sysdeps/darwin/procmem.c b/sysdeps/darwin/procmem.c
new file mode 100644
index 00000000..9db667eb
--- /dev/null
+++ b/sysdeps/darwin/procmem.c
@@ -0,0 +1,245 @@
+/*
+   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 <unistd.h>
+
+#include <glibtop.h>
+#include <glibtop/error.h>
+#include <glibtop/procmem.h>
+
+#include <glibtop_suid.h>
+
+#include <mach/mach_init.h>
+#include <mach/mach_host.h>
+#include <mach/mach_traps.h>
+#include <mach/task.h>
+#include <mach/vm_map.h>
+#include <mach/shared_memory_server.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_SHARE) +
+(1L << GLIBTOP_PROC_MEM_RSS);
+
+/* Init function. */
+
+void
+_glibtop_init_proc_mem_p (glibtop *server)
+{
+	server->sysdeps.proc_mem = _glibtop_sysdeps_proc_mem;
+}
+
+
+#define	SHARED_TABLE_SIZE	137
+#define	TEXT_SEGMENT_START	(GLOBAL_SHARED_TEXT_SEGMENT)
+#define TEXT_SEGMENT_END	(GLOBAL_SHARED_TEXT_SEGMENT + SHARED_TEXT_REGION_SIZE)
+#define	DATA_SEGMENT_START	(GLOBAL_SHARED_DATA_SEGMENT)
+#define DATA_SEGMENT_END	(GLOBAL_SHARED_DATA_SEGMENT + SHARED_DATA_REGION_SIZE)
+
+struct shared_info {
+	unsigned obj_id;
+	unsigned share_mode;
+	unsigned page_count;
+	unsigned ref_count;
+	unsigned task_ref_count;
+	vm_size_t size;
+	struct shared_info *next;
+};
+typedef struct shared_info shared_table[SHARED_TABLE_SIZE];
+typedef struct shared_info shared_info;
+
+static void
+shared_table_init (shared_table table)
+{
+	memset (table, 0, sizeof (shared_table));
+}
+
+static void
+shared_table_free (glibtop *server, shared_table table)
+{
+	int i;
+
+	for (i = 0; i < SHARED_TABLE_SIZE; i++) {
+		shared_info *info = table [i].next;
+
+		while (info) {
+			shared_info *next = info->next;
+			g_free (info);
+			info = next;
+		}
+	}
+}
+
+static void
+shared_table_register (glibtop *server, shared_table table,
+		       vm_region_top_info_data_t *top, vm_size_t size)
+{
+	shared_info *info, *last;
+
+	info = last = &table [top->obj_id % SHARED_TABLE_SIZE];
+	while (info) {
+		if (info->obj_id == top->obj_id) {
+			info->task_ref_count++;
+			return;
+		}
+		last = info;
+		info = info->next;
+	}
+
+	info = g_malloc (sizeof (shared_info));
+	if (info) {
+		info->obj_id = top->obj_id;
+		info->share_mode = top->share_mode;
+		info->page_count = top->shared_pages_resident;
+		info->ref_count = top->ref_count;
+		info->task_ref_count = 1;
+		info->size = size;
+		info->next = NULL;
+		last->next = info;
+	}
+}
+
+/* Provides detailed information about a process. */
+
+void
+glibtop_get_proc_mem_p (glibtop *server, glibtop_proc_mem *buf,
+			pid_t pid)
+{
+	task_basic_info_data_t tinfo;
+        mach_msg_type_number_t info_count;
+	vm_size_t vsize, resident, private, vprivate, shared;
+	kern_return_t retval;
+	shared_table stable;
+	vm_address_t address;
+	mach_port_t task;
+	int i, split;
+
+	glibtop_init_p (server, (1 << GLIBTOP_SYSDEPS_PROC_MEM), 0);
+
+	memset (buf, 0, sizeof (glibtop_proc_mem));
+
+	address = 0;
+	split = 0;
+	vsize = resident = private = vprivate = shared = 0;
+	shared_table_init (stable);
+
+	/* !!! THE FOLLOWING CODE RUNS SUID ROOT - CHANGE WITH CAUTION !!! */
+
+	glibtop_suid_enter (server);
+	retval = task_for_pid (mach_task_self (), pid, &task);
+	glibtop_suid_leave (server);
+
+	/* !!! END OF SUID ROOT PART !!! */
+
+	if (retval)
+		return;
+
+	info_count = TASK_BASIC_INFO_COUNT;
+	if (task_info (task, TASK_BASIC_INFO, (task_info_t)&tinfo, &info_count)) {
+		glibtop_warn_io_r (server, "task_info (procmem)");
+		return;
+	}
+	vsize = tinfo.virtual_size;
+	resident = tinfo.resident_size;
+
+	/* !!! THE FOLLOWING CODE RUNS SUID ROOT - CHANGE WITH CAUTION !!! */
+
+	glibtop_suid_enter (server);
+	while (1) {
+		vm_region_basic_info_data_64_t basic;
+		vm_region_top_info_data_t top;
+		mach_port_t object_name;
+		vm_size_t size;
+
+		info_count = VM_REGION_BASIC_INFO_COUNT_64;
+		if (vm_region_64 (task, &address, &size, VM_REGION_BASIC_INFO,
+				  (vm_region_info_t)&basic,
+				  &info_count, &object_name))
+			break;
+
+		info_count = VM_REGION_TOP_INFO_COUNT;
+		if (vm_region_64 (task, &address, &size, VM_REGION_TOP_INFO,
+			       (vm_region_info_t)&top,
+			       &info_count, &object_name))
+			break;
+
+		if (address >= TEXT_SEGMENT_START && address < DATA_SEGMENT_END) {
+			if (!split && top.share_mode == SM_EMPTY) {
+				if (basic.reserved)
+					split = 1;
+			}
+			if (top.share_mode != SM_PRIVATE) {
+				address += size;
+				continue;
+			}
+		}
+
+		switch (top.share_mode) {
+		case SM_COW:
+			if (top.ref_count == 1) {
+				private += top.private_pages_resident * vm_page_size;
+				private += top.shared_pages_resident * vm_page_size;
+				vprivate += size;
+			} else {
+				shared_table_register (server, stable, &top, size);
+				vprivate += top.private_pages_resident * vm_page_size;
+			}
+			break;
+		case SM_PRIVATE:
+			private += top.private_pages_resident * vm_page_size;
+			vprivate += size;
+			break;
+		case SM_SHARED:
+			shared_table_register (server, stable, &top, size);
+			break;
+		}
+
+		address += size;
+	}
+	glibtop_suid_leave (server);
+
+	/* !!! END OF SUID ROOT PART !!! */
+
+	for (i = 0; i < SHARED_TABLE_SIZE; i++) {
+		shared_info *sinfo = &stable[i];
+
+		while (sinfo) {
+			if (sinfo->share_mode == SM_SHARED &&
+			    sinfo->ref_count == sinfo->task_ref_count) {
+				private += sinfo->page_count * vm_page_size;
+				vprivate += sinfo->size;
+			} else {
+				shared += sinfo->page_count * vm_page_size;
+			}
+			sinfo = sinfo->next;
+		}
+	}
+	shared_table_free (server, stable);
+
+	if (split)
+		vsize -= DATA_SEGMENT_END - TEXT_SEGMENT_START;
+
+	buf->size     = vprivate;
+	buf->vsize    = vsize;
+	buf->resident = resident;
+	buf->share    = shared;
+	buf->rss      = private;
+	buf->flags    = _glibtop_sysdeps_proc_mem;
+}
diff --git a/sysdeps/darwin/procopenfiles.c b/sysdeps/darwin/procopenfiles.c
new file mode 100644
index 00000000..9ccf3be3
--- /dev/null
+++ b/sysdeps/darwin/procopenfiles.c
@@ -0,0 +1,43 @@
+/*
+   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.h>
+#include <glibtop/error.h>
+#include <glibtop/procopenfiles.h>
+
+/* Init function. */
+
+void
+_glibtop_init_proc_open_files_s (glibtop *server)
+{
+	server->sysdeps.proc_open_files = 0;
+}
+
+/* Provides detailed information about a process. */
+
+glibtop_open_files_entry *
+glibtop_get_proc_open_files_s (glibtop *server, glibtop_proc_open_files *buf,	pid_t pid)
+{
+	glibtop_init_s (&server, GLIBTOP_SYSDEPS_PROC_MAP, 0);
+	
+	memset (buf, 0, sizeof (glibtop_proc_open_files));
+	
+	return NULL;
+}
diff --git a/sysdeps/darwin/procsegment.c b/sysdeps/darwin/procsegment.c
new file mode 100644
index 00000000..2bba9a71
--- /dev/null
+++ b/sysdeps/darwin/procsegment.c
@@ -0,0 +1,48 @@
+/*
+   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 <unistd.h>
+
+#include <glibtop.h>
+#include <glibtop/error.h>
+#include <glibtop/procsegment.h>
+
+#include <glibtop_suid.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, (1 << GLIBTOP_SYSDEPS_PROC_SEGMENT), 0);
+	
+	memset (buf, 0, sizeof (glibtop_proc_segment));
+}
diff --git a/sysdeps/darwin/procsignal.c b/sysdeps/darwin/procsignal.c
new file mode 100644
index 00000000..9bc7e2ad
--- /dev/null
+++ b/sysdeps/darwin/procsignal.c
@@ -0,0 +1,76 @@
+/*
+   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 <unistd.h>
+
+#include <glibtop.h>
+#include <glibtop/error.h>
+#include <glibtop/procsignal.h>
+
+#include <glibtop_suid.h>
+
+#include <sys/param.h>
+#include <sys/sysctl.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;
+}
+
+/* Provides detailed information about a process. */
+
+void
+glibtop_get_proc_signal_p (glibtop *server, glibtop_proc_signal *buf,
+			   pid_t pid)
+{
+	int mib[4];
+	size_t length;
+	struct kinfo_proc kinfo;
+
+	glibtop_init_p (server, (1 << GLIBTOP_SYSDEPS_PROC_SIGNAL), 0);
+	
+	memset (buf, 0, sizeof (glibtop_proc_signal));
+
+	mib [0] = CTL_KERN;
+	mib [1] = KERN_PROC;      
+	mib [2] = KERN_PROC_PID;
+	mib [3] = pid;
+
+	length = sizeof (struct kinfo_proc);
+	if (sysctl (mib, 4, &kinfo, &length, NULL, 0) < 0) {
+		glibtop_warn_io_r (server, "sysctl (procuid)");
+		return;
+	}
+
+	buf->signal[0]    = kinfo.kp_proc.p_siglist;
+	buf->blocked[0]   = kinfo.kp_proc.p_sigmask;
+	buf->sigignore[0] = kinfo.kp_proc.p_sigignore;
+	buf->sigcatch[0]  = kinfo.kp_proc.p_sigcatch;
+	buf->flags = _glibtop_sysdeps_proc_signal;
+}
diff --git a/sysdeps/darwin/procstate.c b/sysdeps/darwin/procstate.c
new file mode 100644
index 00000000..e6ed7640
--- /dev/null
+++ b/sysdeps/darwin/procstate.c
@@ -0,0 +1,94 @@
+/*
+   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 <unistd.h>
+
+#include <glibtop.h>
+#include <glibtop/error.h>
+#include <glibtop/procstate.h>
+
+#include <glibtop_suid.h>
+
+#include <sys/param.h>
+#include <sys/sysctl.h>      
+
+static const unsigned long _glibtop_sysdeps_proc_state =
+(1L << GLIBTOP_PROC_STATE_CMD) + (1L << GLIBTOP_PROC_STATE_STATE) +
+(1L << GLIBTOP_PROC_STATE_UID) + (1L << GLIBTOP_PROC_STATE_GID);
+
+/* Init function. */
+
+void
+_glibtop_init_proc_state_p (glibtop *server)
+{
+	server->sysdeps.proc_state = _glibtop_sysdeps_proc_state;
+}
+
+/* Provides detailed information about a process. */
+
+void
+glibtop_get_proc_state_p (glibtop *server, glibtop_proc_state *buf,
+			  pid_t pid)
+{
+	int mib[4];
+	size_t length;
+	struct kinfo_proc kinfo;
+
+	glibtop_init_p (server, (1 << GLIBTOP_SYSDEPS_PROC_STATE), 0);
+	
+	memset (buf, 0, sizeof (glibtop_proc_state));
+
+	mib [0] = CTL_KERN;
+	mib [1] = KERN_PROC;
+	mib [2] = KERN_PROC_PID;
+	mib [3] = pid;
+
+	length = sizeof (struct kinfo_proc);
+	if (sysctl (mib, 4, &kinfo, &length, NULL, 0) < 0) {
+		glibtop_warn_io_r (server, "sysctl (procstat)");
+		return;
+	}
+
+	strncpy (buf->cmd, kinfo.kp_proc.p_comm, sizeof (buf->cmd) - 1);
+	buf->cmd [sizeof (buf->cmd) - 1] = 0;
+	buf->uid = kinfo.kp_eproc.e_pcred.p_svuid;
+	buf->gid = kinfo.kp_eproc.e_pcred.p_svgid;
+	switch (kinfo.kp_proc.p_stat) {
+	case SIDL:
+		buf->state = 0;
+		break;
+	case SRUN:
+		buf->state = 'R';
+		break;
+	case SSLEEP:
+		buf->state = 'S';
+		break;
+	case SSTOP:
+		buf->state = 'T';
+		break;
+	case SZOMB:
+		buf->state = 'Z';
+		break;
+	default:
+		return;
+	}
+	buf->flags = _glibtop_sysdeps_proc_state;
+}
+
diff --git a/sysdeps/darwin/proctime.c b/sysdeps/darwin/proctime.c
new file mode 100644
index 00000000..195b05a5
--- /dev/null
+++ b/sysdeps/darwin/proctime.c
@@ -0,0 +1,118 @@
+/*
+   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 <unistd.h>
+
+#include <glibtop.h>
+#include <glibtop/error.h>
+#include <glibtop/proctime.h>
+
+#include <glibtop_suid.h>
+
+#include <mach/mach_init.h>
+#include <mach/mach_host.h>
+#include <mach/mach_port.h>
+#include <mach/task.h>
+#include <mach/vm_map.h>
+#include <sys/types.h>
+#include <sys/sysctl.h>
+
+static const unsigned long _glibtop_sysdeps_proc_time =
+(1L << GLIBTOP_PROC_TIME_UTIME) + (1L << GLIBTOP_PROC_TIME_STIME) +
+(1L << GLIBTOP_PROC_TIME_FREQUENCY) + (1L << GLIBTOP_PROC_TIME_START_TIME);
+
+#define tv2sec(tv) (((u_int64_t) tv.seconds * 1000000) + (u_int64_t) tv.microseconds)
+
+/* Init function. */
+
+void
+_glibtop_init_proc_time_p (glibtop *server)
+{
+	server->sysdeps.proc_time = _glibtop_sysdeps_proc_time;
+}
+
+/* Provides detailed information about a process. */
+
+void
+glibtop_get_proc_time_p (glibtop *server, glibtop_proc_time *buf,
+			 pid_t pid)
+{
+	unsigned int count;
+	task_basic_info_data_t ti;
+	task_thread_times_info_data_t tti;
+	task_port_t task;
+	time_value_t utime = {0, 0}, stime = {0, 0};
+	size_t length;
+	struct kinfo_proc kinfo;
+	int mib[] = { CTL_KERN, KERN_PROC, KERN_PROC_PID, 0 };
+
+	glibtop_init_p (server, (1 << GLIBTOP_SYSDEPS_PROC_TIME), 0);
+
+	memset (buf, 0, sizeof (glibtop_proc_time));
+
+	mib[3] = pid;
+	length = sizeof (kinfo);
+	if (sysctl (mib, 4, &kinfo, &length, NULL, 0) < 0) {
+		glibtop_suid_leave (server);
+		return;
+	}
+
+	/* !!! THE FOLLOWING CODE RUNS SUID ROOT - CHANGE WITH CAUTION !!! */
+
+	glibtop_suid_enter (server);
+
+	if (task_for_pid (mach_task_self(), pid, &task) != KERN_SUCCESS) {
+		glibtop_suid_leave (server);
+		return;
+	}
+
+	glibtop_suid_leave (server);
+
+	/* !!! END OF SUID ROOT PART !!! */
+
+	count = TASK_BASIC_INFO_COUNT;
+	if (task_info(task, TASK_BASIC_INFO, (task_info_t)&ti, &count) != KERN_SUCCESS) {
+		glibtop_warn_io_r (server, "task_info (proctime)");
+		if (task != mach_task_self())
+			mach_port_deallocate (mach_task_self(), task);
+		return;
+	}
+
+	count = TASK_THREAD_TIMES_INFO_COUNT;
+	if (task_info(task, TASK_THREAD_TIMES_INFO, (task_info_t)&tti, &count) != KERN_SUCCESS) {
+		glibtop_warn_io_r (server, "task_info (proctime)");
+		if (task != mach_task_self())
+			mach_port_deallocate (mach_task_self(), task);
+		return;
+	}
+
+	time_value_add (&utime, &ti.user_time);
+	time_value_add (&stime, &ti.system_time);
+	time_value_add (&utime, &tti.user_time);
+	time_value_add (&stime, &tti.system_time);
+
+	/* use the same frequency as cpu.c */
+	buf->utime  = tv2sec (utime) / 10000;
+	buf->stime  = tv2sec (stime) / 10000;
+	buf->frequency = 1000000 / 10000;
+	buf->start_time = kinfo.kp_proc.p_starttime.tv_sec;
+
+	buf->flags  = _glibtop_sysdeps_proc_time;
+}
diff --git a/sysdeps/darwin/procuid.c b/sysdeps/darwin/procuid.c
new file mode 100644
index 00000000..b3024383
--- /dev/null
+++ b/sysdeps/darwin/procuid.c
@@ -0,0 +1,83 @@
+/*
+   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 <unistd.h>
+
+#include <glibtop.h>
+#include <glibtop/error.h>
+#include <glibtop/procuid.h>
+
+#include <glibtop_suid.h>
+
+#include <sys/param.h>
+#include <sys/sysctl.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_TTY) +
+(1L << GLIBTOP_PROC_UID_TPGID);
+
+/* Init function. */
+
+void
+_glibtop_init_proc_uid_p (glibtop *server)
+{
+	server->sysdeps.proc_uid = _glibtop_sysdeps_proc_uid;
+}
+
+/* Provides detailed information about a process. */
+
+void
+glibtop_get_proc_uid_p (glibtop *server, glibtop_proc_uid *buf,
+			pid_t pid)
+{
+	int mib[4];
+	size_t length;
+	struct kinfo_proc kinfo;
+
+	glibtop_init_p (server, (1 << GLIBTOP_SYSDEPS_PROC_UID), 0);
+	
+	memset (buf, 0, sizeof (glibtop_proc_uid));
+
+	mib [0] = CTL_KERN;
+	mib [1] = KERN_PROC;
+	mib [2] = KERN_PROC_PID;
+	mib [3] = pid;
+
+	length = sizeof (struct kinfo_proc);
+	if (sysctl (mib, 4, &kinfo, &length, NULL, 0) < 0) {
+		glibtop_warn_io_r (server, "sysctl (procuid)");
+		return;
+	}
+
+	buf->uid      = kinfo.kp_eproc.e_pcred.p_ruid;
+	buf->euid     = kinfo.kp_eproc.e_pcred.p_svuid;
+	buf->gid      = kinfo.kp_eproc.e_pcred.p_rgid;
+	buf->egid     = kinfo.kp_eproc.e_pcred.p_svgid;
+	buf->ppid     = kinfo.kp_eproc.e_ppid;
+	buf->pgrp     = kinfo.kp_eproc.e_pgid;
+	buf->tpgid    = kinfo.kp_eproc.e_tpgid;
+	buf->nice     = kinfo.kp_proc.p_nice;
+	buf->priority = kinfo.kp_proc.p_priority;
+
+	buf->flags    = _glibtop_sysdeps_proc_uid;
+}
diff --git a/sysdeps/darwin/procwd.c b/sysdeps/darwin/procwd.c
new file mode 100644
index 00000000..e285d778
--- /dev/null
+++ b/sysdeps/darwin/procwd.c
@@ -0,0 +1,50 @@
+/*
+   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/procwd.h>
+#include <glibtop/error.h>
+
+#include <glibtop_suid.h>
+
+#include <unistd.h>
+#include <dirent.h>
+#include <sys/types.h>
+
+static const unsigned long _glibtop_sysdeps_proc_wd = 0;
+
+/* Init function. */
+
+void
+_glibtop_init_proc_wd_p (glibtop *server)
+{
+	server->sysdeps.proc_wd = _glibtop_sysdeps_proc_wd;
+}
+
+/* Provides detailed information about a process. */
+
+char **
+glibtop_get_proc_wd_p (glibtop *server, glibtop_proc_wd *buf,
+			pid_t pid)
+{
+	glibtop_init_p (server, GLIBTOP_SYSDEPS_PROC_WD, 0);
+
+	memset (buf, 0, sizeof (glibtop_proc_wd));
+	return NULL;
+}
diff --git a/sysdeps/darwin/sem_limits.c b/sysdeps/darwin/sem_limits.c
new file mode 100644
index 00000000..e8a32f9b
--- /dev/null
+++ b/sysdeps/darwin/sem_limits.c
@@ -0,0 +1,47 @@
+/*
+   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 <unistd.h>
+
+#include <glibtop.h>
+#include <glibtop/error.h>
+#include <glibtop/sem_limits.h>
+
+#include <glibtop_suid.h>
+
+static const unsigned long _glibtop_sysdeps_sem_limits = 0;
+
+/* Init function. */
+
+void
+_glibtop_init_sem_limits_p (glibtop *server)
+{
+	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, (1 << GLIBTOP_SYSDEPS_SEM_LIMITS), 0);
+	
+	memset (buf, 0, sizeof (glibtop_sem_limits));
+}
diff --git a/sysdeps/darwin/shm_limits.c b/sysdeps/darwin/shm_limits.c
new file mode 100644
index 00000000..25f3382f
--- /dev/null
+++ b/sysdeps/darwin/shm_limits.c
@@ -0,0 +1,47 @@
+/*
+   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 <unistd.h>
+
+#include <glibtop.h>
+#include <glibtop/error.h>
+#include <glibtop/shm_limits.h>
+
+#include <glibtop_suid.h>
+
+static const unsigned long _glibtop_sysdeps_shm_limits = 0;
+
+/* Init function. */
+
+void
+_glibtop_init_shm_limits_p (glibtop *server)
+{
+	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, (1 << GLIBTOP_SYSDEPS_SHM_LIMITS), 0);
+	
+	memset (buf, 0, sizeof (glibtop_shm_limits));
+}
diff --git a/sysdeps/darwin/siglist.c b/sysdeps/darwin/siglist.c
new file mode 100644
index 00000000..37ae5c04
--- /dev/null
+++ b/sysdeps/darwin/siglist.c
@@ -0,0 +1,60 @@
+/*
+   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 <unistd.h>
+
+#include <glibtop.h>
+#include <glibtop/signal.h>
+
+const glibtop_signame glibtop_sys_siglist [] =
+{ {  1, "SIGHUP",    NULL },	/* hangup */
+  {  2, "SIGINT",    NULL },	/* interrupt */
+  {  3, "SIGQUIT",   NULL },	/* quit */
+  {  4, "SIGILL",    NULL },	/* illegal instruction */
+  {  5, "SIGTRAP",   NULL },	/* trace trap */
+  {  6, "SIGTRAP",   NULL },	/* abort */
+  {  7, "SIGEMT",    NULL },	/* EMT instruction */
+  {  8, "SIGFPE",    NULL },	/* floating point exception */
+  {  9, "SIGKILL",   NULL },	/* kill */
+  { 10, "SIGBUS",    NULL },	/* bus error */
+  { 11, "SIGSEGV",   NULL },	/* segmentation violation */
+  { 12, "SIGSYS",    NULL },	/* bad argument to system call */
+  { 13, "SIGPIPE",   NULL },	/* write on a pipe with no one to read it */
+  { 14, "SIGALRM",   NULL },	/* alarm clock */
+  { 15, "SIGTERM",   NULL },	/* software termination signal from kill */
+  { 16, "SIGURG",    NULL },	/* urgent condition on IO channel */
+  { 17, "SIGSTOP",   NULL },	/* sendable stop signal not from tty */
+  { 18, "SIGTSTP",   NULL },	/* stop signal from tty */
+  { 19, "SIGCONT",   NULL },	/* continue a stopped process */
+  { 20, "SIGCHLD",   NULL },	/* to parent on child stop or exit */
+  { 21, "SIGTTIN",   NULL },	/* to readers pgrp upon background tty read */
+  { 22, "SIGTTOU",   NULL },	/* like TTIN for output */
+  { 23, "SIGIO",     NULL },	/* input/output possible signal */
+  { 24, "SIGXCPU",   NULL },	/* exceeded CPU time limit */
+  { 25, "SIGXFSZ",   NULL },	/* exceeded file size limit */
+  { 26, "SIGVTALRM", NULL },	/* virtual time alarm */
+  { 27, "SIGPROF",   NULL },	/* profiling time alarm */
+  { 28, "SIGWINCH",  NULL },	/* window size changes */
+  { 29, "SIGWINFO",  NULL },	/* information request */
+  { 30, "SIGUSR1",   NULL },	/* user defined signal 1 */
+  { 31, "SIGUSR2",   NULL },	/* user defined signal 2 */
+  {  0, NULL,        NULL }
+};
+
diff --git a/sysdeps/darwin/swap.c b/sysdeps/darwin/swap.c
new file mode 100644
index 00000000..ba174d37
--- /dev/null
+++ b/sysdeps/darwin/swap.c
@@ -0,0 +1,110 @@
+/*
+   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 <unistd.h>
+
+#include <glibtop.h>
+#include <glibtop/error.h>
+#include <glibtop/swap.h>
+
+#include <glibtop_suid.h>
+
+#include <mach/mach_host.h>
+#include <mach/host_info.h>
+#include <mach/mach_init.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/param.h>
+#include <sys/mount.h>
+#include <dirent.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);
+
+/* Init function. */
+
+void
+_glibtop_init_swap_p (glibtop *server)
+{
+	server->sysdeps.swap = _glibtop_sysdeps_swap;
+}
+
+/* Provides information about swap usage. */
+
+void
+glibtop_get_swap_p (glibtop *server, glibtop_swap *buf)
+{
+	vm_statistics_data_t vm_info;
+	mach_msg_type_number_t info_count;
+	DIR *dirp;
+	struct dirent *dp;
+	struct statfs sfs;
+	u_int64_t total, used;
+
+	glibtop_init_p (server, (1 << GLIBTOP_SYSDEPS_SWAP), 0);
+
+	memset (buf, 0, sizeof (glibtop_swap));
+
+	total = used = 0;
+
+	dirp = opendir ("/private/var/vm");
+	if (!dirp) {
+		glibtop_warn_io_r (server, "opendir (swap)");
+		return;
+	}
+	while ((dp = readdir (dirp)) != NULL) {
+		struct stat sb;
+		char fname [MAXNAMLEN];
+
+		if (strncmp (dp->d_name, "swapfile", 8))
+			continue;
+
+		strcpy (fname, "/private/var/vm/");
+		strcat (fname, dp->d_name);
+		if (stat (fname, &sb) < 0)
+			continue;
+
+		used += sb.st_size;
+	}
+	closedir (dirp);
+
+	if (statfs ("/private/var/vm", &sfs) < 0) {
+		glibtop_warn_io_r (server, "statfs (swap)");
+		return;
+	}
+	total = (u_int64_t)sfs.f_bfree * sfs.f_bsize + used;
+
+	info_count = HOST_VM_INFO_COUNT;
+	if (host_statistics (mach_host_self (), HOST_VM_INFO,
+			     (host_info_t) &vm_info, &info_count)) {
+		glibtop_warn_io_r (server, "host_statistics (swap)");
+		return;
+	}
+
+	buf->total    = total;
+	buf->used     = used;
+	buf->free     = total - used;
+	buf->pagein   = vm_info.pageins;
+	buf->pageout  = vm_info.pageouts;
+	buf->flags    = _glibtop_sysdeps_swap;
+}
+
diff --git a/sysdeps/darwin/sysinfo.c b/sysdeps/darwin/sysinfo.c
new file mode 100644
index 00000000..90e3c3cc
--- /dev/null
+++ b/sysdeps/darwin/sysinfo.c
@@ -0,0 +1,90 @@
+/*
+   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 <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;
+	guint64 ncpus = 1;
+	int mhz = 0;
+	size_t len;
+
+	if (G_LIKELY (sysinfo.flags))
+		return;
+
+	glibtop_init_s (&server, GLIBTOP_SYSDEPS_CPU, 0);
+
+	len = sizeof (ncpus);
+	sysctlbyname ("hw.ncpu", &ncpus, &len, NULL, 0);
+	len = 0;
+	sysctlbyname ("hw.model", NULL, &len, NULL, 0);
+	model = g_malloc (len);
+	sysctlbyname ("hw.model", model, &len, NULL, 0);
+	len = sizeof (mhz);
+	sysctlbyname ("hw.cpufrequency", &mhz, &len, NULL, 0);
+	mhz = mhz / 1000000;
+
+	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, "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/darwin/uptime.c b/sysdeps/darwin/uptime.c
new file mode 100644
index 00000000..c21df1c7
--- /dev/null
+++ b/sysdeps/darwin/uptime.c
@@ -0,0 +1,66 @@
+/*
+   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 <unistd.h>
+
+#include <glibtop.h>
+#include <glibtop/error.h>
+#include <glibtop/uptime.h>
+
+#include <glibtop_suid.h>
+
+#include <sys/param.h>
+#include <sys/sysctl.h>
+#include <time.h>
+
+static const unsigned long _glibtop_sysdeps_uptime =
+(1L << GLIBTOP_UPTIME_UPTIME);
+
+/* 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)
+{
+	int mib [] = { CTL_KERN, KERN_BOOTTIME };
+	struct timeval boottime;
+	size_t size = sizeof (boottime);
+	time_t now;
+
+	glibtop_init_p (server, (1 << GLIBTOP_SYSDEPS_UPTIME), 0);
+	
+	memset (buf, 0, sizeof (glibtop_uptime));
+
+	/* copied from gkrellm port */
+
+	if (sysctl (mib, 2, &boottime, &size, NULL, 0) == -1)
+		return;
+	time (&now);
+
+	buf->uptime = now - boottime.tv_sec + 30;
+	buf->flags = _glibtop_sysdeps_uptime;
+}