e12ac5f40c
* loadavg.c: (glibtop_get_loadavg_s): Whitespace cleanup.
* ppp.c: (get_ISDN_stats), (is_ISDN_on): Replace g_malloc by an
array.
* glibtop_server.c: (get_pageshift):
* glibtop_server.h:
* procmem.c: (glibtop_init_proc_mem_s), (glibtop_get_proc_mem_s):
* procsegment.c: (glibtop_init_proc_segment_s),
(glibtop_get_proc_segment_s): Moved the pageshift calculation to
glibtop_server.[ch]
* procstate.c: (glibtop_get_proc_state_s):
* procuid.c: (glibtop_get_proc_uid_s):
* sysinfo.c: (init_sysinfo): Minor cleanups.
93 lines
2.6 KiB
C
93 lines
2.6 KiB
C
/* $Id$ */
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/* Copyright (C) 1998-99 Martin Baulig
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This file is part of LibGTop 1.0.
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Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
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LibGTop is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License,
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or (at your option) any later version.
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LibGTop is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with LibGTop; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA.
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*/
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#include <glibtop.h>
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#include <glibtop/error.h>
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#include <glibtop/procstate.h>
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#include <sys/stat.h>
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static const unsigned long _glibtop_sysdeps_proc_state =
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(1L << GLIBTOP_PROC_STATE_CMD) + (1L << GLIBTOP_PROC_STATE_STATE);
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static const unsigned long _glibtop_sysdeps_proc_state_uid =
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(1L << GLIBTOP_PROC_STATE_UID) + (1L << GLIBTOP_PROC_STATE_GID);
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/* Init function. */
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void
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glibtop_init_proc_state_s (glibtop *server)
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{
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server->sysdeps.proc_state = _glibtop_sysdeps_proc_state |
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_glibtop_sysdeps_proc_state_uid;
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}
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/* Provides detailed information about a process. */
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void
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glibtop_get_proc_state_s (glibtop *server, glibtop_proc_state *buf, pid_t pid)
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{
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char buffer [BUFSIZ], *p;
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struct stat statb;
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glibtop_init_s (&server, GLIBTOP_SYSDEPS_PROC_STATE, 0);
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memset (buf, 0, sizeof (glibtop_proc_state));
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/* IMPORTANT NOTICE: For security reasons it is extremely important
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* that the 'uid' and 'gid' fields have correct
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* values; NEVER set their flags values if this
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* is not the case !!! */
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sprintf (buffer, "/proc/%d", pid);
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if (stat (buffer, &statb))
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return;
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/* For security reasons we use stat () since it is
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* more failsafe than parsing the file. */
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buf->uid = statb.st_uid;
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buf->gid = statb.st_gid;
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buf->flags = _glibtop_sysdeps_proc_state_uid;
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sprintf (buffer, "/proc/%d", pid);
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/* Now we read the remaining fields. */
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if (proc_stat_to_buffer (buffer, pid))
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return;
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p = strrchr (buffer, ')'); *p = '\0';
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buf->state = p [2];
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p = skip_token (buffer); p++; /* pid */
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if (G_UNLIKELY(*p++ != '('))
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glibtop_error_r (server, "Bad data in /proc/%d/stat", pid);
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g_strlcpy (buf->cmd, p, sizeof buf->cmd);
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buf->flags |= _glibtop_sysdeps_proc_state;
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}
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