diff options
author | Carlos Perelló Marín <carlos@gnome.org> | 2003-10-19 16:55:56 +0000 |
---|---|---|
committer | Carlos Perelló Marín <carlos@src.gnome.org> | 2003-10-19 16:55:56 +0000 |
commit | 4c8ae9e25c1940d8876ca3f2330426863cae4737 (patch) | |
tree | c43f97bc0647546b0ed87022db0749c137f24edc /sysdeps/linux/procstate.c | |
parent | bae16b467f90df94d80feae41dceb7e816f16c61 (diff) | |
download | libgtop-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.c | 93 |
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; +} |