116 lines
3.2 KiB
C
116 lines
3.2 KiB
C
/* 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 <config.h>
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#include <glibtop.h>
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#include <glibtop/error.h>
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#include <glibtop/procuid.h>
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#include "glibtop_private.h"
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static const unsigned long _glibtop_sysdeps_proc_uid =
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(1L << GLIBTOP_PROC_UID_UID) + (1L << GLIBTOP_PROC_UID_EUID) +
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(1L << GLIBTOP_PROC_UID_GID) + (1L << GLIBTOP_PROC_UID_EGID);
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static const unsigned long _glibtop_sysdeps_proc_uid_stat =
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(1L << GLIBTOP_PROC_UID_PID) + (1L << GLIBTOP_PROC_UID_PPID) +
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(1L << GLIBTOP_PROC_UID_PGRP) + (1L << GLIBTOP_PROC_UID_SESSION) +
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(1L << GLIBTOP_PROC_UID_TTY) + (1L << GLIBTOP_PROC_UID_TPGID) +
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(1L << GLIBTOP_PROC_UID_PRIORITY) + (1L << GLIBTOP_PROC_UID_NICE);
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/* Init function. */
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void
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_glibtop_init_proc_uid_s (glibtop *server)
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{
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server->sysdeps.proc_uid = _glibtop_sysdeps_proc_uid |
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_glibtop_sysdeps_proc_uid_stat;
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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_uid_s (glibtop *server, glibtop_proc_uid *buf, pid_t pid)
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{
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char buffer [BUFSIZ], *p;
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memset (buf, 0, sizeof (glibtop_proc_uid));
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if (proc_status_to_buffer(buffer, sizeof buffer, pid))
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return;
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/* Search substring 'Pid:' */
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p = strstr (buffer, "\nPid:");
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if (!p) return;
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p = skip_token (p); /* "Pid:" */
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buf->pid = strtol (p, &p, 0);
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p = skip_token (p); /* "PPid:" */
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buf->ppid = strtol (p, &p, 0);
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/* Maybe future Linux versions place something between
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* "PPid" and "Uid", so we catch this here. */
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p = strstr (p, "\nUid:");
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if (!p) return;
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p = skip_token (p); /* "Uid:" */
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buf->uid = strtol (p, &p, 0);
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buf->euid = strtol (p, &p, 0);
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/* We don't know how many entries on the "Uid:" line
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* future Linux version will have, so we catch this here. */
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p = strstr (p, "\nGid:");
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if (!p) return;
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p = skip_token (p); /* "Gid:" */
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buf->gid = strtol (p, &p, 0);
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buf->egid = strtol (p, &p, 0);
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buf->flags = _glibtop_sysdeps_proc_uid;
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if (proc_stat_to_buffer(buffer, sizeof buffer, pid))
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return;
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p = proc_stat_after_cmd (buffer);
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if (!p) return;
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p = skip_multiple_token (p, 2);
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buf->pgrp = strtol (p, &p, 0);
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buf->session = strtol (p, &p, 0);
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buf->tty = strtol (p, &p, 0);
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buf->tpgid = strtol (p, &p, 0);
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p = skip_multiple_token (p, 9);
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buf->priority = strtol (p, &p, 0);
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buf->nice = strtol (p, &p, 0);
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if (buf->tty == 0)
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/* the old notty val, update elsewhere bef. moving to 0 */
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buf->tty = -1;
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buf->flags |= _glibtop_sysdeps_proc_uid_stat;
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}
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