source: trunk/third/libgtop/sysdeps/osf1/proctime.c @ 18272

Revision 18272, 2.2 KB checked in by ghudson, 22 years ago (diff)
This commit was generated by cvs2svn to compensate for changes in r18271, which included commits to RCS files with non-trunk default branches.
Line 
1/* $Id: proctime.c,v 1.1.1.1 2003-01-02 04:56:12 ghudson Exp $ */
2
3/* Copyright (C) 1998-99 Martin Baulig
4   This file is part of LibGTop 1.0.
5
6   Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
7
8   LibGTop is free software; you can redistribute it and/or modify it
9   under the terms of the GNU General Public License as published by
10   the Free Software Foundation; either version 2 of the License,
11   or (at your option) any later version.
12
13   LibGTop is distributed in the hope that it will be useful, but WITHOUT
14   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
15   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
16   for more details.
17
18   You should have received a copy of the GNU General Public License
19   along with LibGTop; see the file COPYING. If not, write to the
20   Free Software Foundation, Inc., 59 Temple Place - Suite 330,
21   Boston, MA 02111-1307, USA.
22*/
23
24#include <glibtop.h>
25#include <glibtop/proctime.h>
26
27#include <glibtop_suid.h>
28
29#include <sys/user.h>
30#include <sys/time.h>
31
32static const unsigned long _glibtop_sysdeps_proc_time =
33(1L << GLIBTOP_PROC_TIME_UTIME) + (1L << GLIBTOP_PROC_TIME_CUTIME) +
34(1L << GLIBTOP_PROC_TIME_STIME) + (1L << GLIBTOP_PROC_TIME_CSTIME) +
35(1L << GLIBTOP_PROC_TIME_START_TIME);
36
37/* Init function. */
38
39void
40glibtop_init_proc_time_p (glibtop *server)
41{
42        server->sysdeps.proc_time = _glibtop_sysdeps_proc_time;
43}
44
45/* Provides detailed information about a process. */
46
47void
48glibtop_get_proc_time_p (glibtop *server, glibtop_proc_time *buf,
49                         pid_t pid)
50{
51        struct user u;
52        int ret;
53
54        glibtop_init_p (server, GLIBTOP_SYSDEPS_PROC_TIME, 0);
55       
56        memset (buf, 0, sizeof (glibtop_proc_time));
57       
58        /* !!! THE FOLLOWING CODE RUNS SUID ROOT - CHANGE WITH CAUTION !!! */
59
60        glibtop_suid_enter (server);
61       
62        ret = table (TBL_UAREA, pid, (char *) &u, 1,
63                     sizeof (struct user));
64                     
65        glibtop_suid_leave (server);
66                     
67        /* !!! END OF SUID ROOT PART !!! */
68       
69        if (ret != 1) return;
70
71        buf->start_time = u.u_start.tv_sec;
72       
73        buf->utime = u.u_ru.ru_utime.tv_sec;
74        buf->stime = u.u_ru.ru_stime.tv_sec;
75        buf->cutime = u.u_cru.ru_utime.tv_sec;
76        buf->cstime = u.u_cru.ru_stime.tv_sec;
77
78        buf->flags = _glibtop_sysdeps_proc_time;       
79}
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