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authorCarlos Perelló Marín <carlos@gnome.org>2003-10-19 16:55:56 +0000
committerCarlos Perelló Marín <carlos@src.gnome.org>2003-10-19 16:55:56 +0000
commit4c8ae9e25c1940d8876ca3f2330426863cae4737 (patch)
treec43f97bc0647546b0ed87022db0749c137f24edc /sysdeps/linux/procstate.c
parentbae16b467f90df94d80feae41dceb7e816f16c61 (diff)
downloadlibgtop-4c8ae9e25c1940d8876ca3f2330426863cae4737.tar.gz
Reverted libgtop changes. It's a common module and I should not modify it.
2003-10-19 Carlos Perelló Marín <carlos@gnome.org> * support/*: Reverted libgtop changes. It's a common module and I should not modify it. * Added/removed files. Now the move should be done.
Diffstat (limited to 'sysdeps/linux/procstate.c')
-rw-r--r--sysdeps/linux/procstate.c93
1 files changed, 93 insertions, 0 deletions
diff --git a/sysdeps/linux/procstate.c b/sysdeps/linux/procstate.c
new file mode 100644
index 00000000..39d93319
--- /dev/null
+++ b/sysdeps/linux/procstate.c
@@ -0,0 +1,93 @@
+/* $Id$ */
+
+/* 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 <glibtop.h>
+#include <glibtop/error.h>
+#include <glibtop/procstate.h>
+
+#include <sys/stat.h>
+
+static const unsigned long _glibtop_sysdeps_proc_state =
+(1L << GLIBTOP_PROC_STATE_CMD) + (1L << GLIBTOP_PROC_STATE_STATE);
+
+static const unsigned long _glibtop_sysdeps_proc_state_uid =
+(1L << GLIBTOP_PROC_STATE_UID) + (1L << GLIBTOP_PROC_STATE_GID);
+
+/* Init function. */
+
+void
+glibtop_init_proc_state_s (glibtop *server)
+{
+ server->sysdeps.proc_state = _glibtop_sysdeps_proc_state |
+ _glibtop_sysdeps_proc_state_uid;
+}
+
+/* Provides detailed information about a process. */
+
+void
+glibtop_get_proc_state_s (glibtop *server, glibtop_proc_state *buf, pid_t pid)
+{
+ char buffer [BUFSIZ], *p;
+ struct stat statb;
+
+ glibtop_init_s (&server, GLIBTOP_SYSDEPS_PROC_STATE, 0);
+
+ memset (buf, 0, sizeof (glibtop_proc_state));
+
+ /* IMPORTANT NOTICE: For security reasons it is extremely important
+ * that the 'uid' and 'gid' fields have correct
+ * values; NEVER set their flags values if this
+ * is not the case !!! */
+
+ sprintf (buffer, "/proc/%d", pid);
+
+ if (stat (buffer, &statb))
+ return;
+
+ /* For security reasons we use stat () since it is
+ * more failsafe than parsing the file. */
+
+ buf->uid = statb.st_uid;
+ buf->gid = statb.st_gid;
+
+ buf->flags = _glibtop_sysdeps_proc_state_uid;
+
+ sprintf (buffer, "/proc/%d", pid);
+
+ /* Now we read the remaining fields. */
+
+ if (proc_stat_to_buffer (buffer, pid))
+ return;
+
+ p = strrchr (buffer, ')'); *p = '\0';
+ buf->state = p [2];
+
+ p = skip_token (buffer); p++; /* pid */
+ if (*p++ != '(')
+ glibtop_error_r (server, "Bad data in /proc/%d/stat", pid);
+
+ strncpy (buf->cmd, p, sizeof (buf->cmd)-1);
+ buf->cmd [sizeof (buf->cmd)-1] = 0;
+
+ buf->flags |= _glibtop_sysdeps_proc_state;
+}