104 lines
3.3 KiB
C
104 lines
3.3 KiB
C
/* $Id$ */
|
|
|
|
/* Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
|
|
This file is part of the Gnome Top Library.
|
|
Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
|
|
|
|
The Gnome Top Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Library General Public License as
|
|
published by the Free Software Foundation; either version 2 of the
|
|
License, or (at your option) any later version.
|
|
|
|
The Gnome Top Library 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
|
|
Library General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Library General Public
|
|
License along with the GNU C Library; see the file COPYING.LIB. 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/procuid.h>
|
|
|
|
#include "kernel.h"
|
|
|
|
static const unsigned long _glibtop_sysdeps_proc_uid =
|
|
(1 << GLIBTOP_PROC_UID_UID) + (1 << GLIBTOP_PROC_UID_EUID) +
|
|
(1 << GLIBTOP_PROC_UID_GID) + (1 << GLIBTOP_PROC_UID_EGID) +
|
|
(1 << GLIBTOP_PROC_UID_PID) + (1 << GLIBTOP_PROC_UID_PPID) +
|
|
(1 << GLIBTOP_PROC_UID_PGRP) + (1 << GLIBTOP_PROC_UID_SESSION) +
|
|
(1 << GLIBTOP_PROC_UID_TTY) + (1 << GLIBTOP_PROC_UID_TPGID) +
|
|
(1 << GLIBTOP_PROC_UID_PRIORITY) + (1 << GLIBTOP_PROC_UID_NICE);
|
|
|
|
/* Init function. */
|
|
|
|
void
|
|
glibtop_init_proc_uid_s (glibtop *server)
|
|
{
|
|
server->sysdeps.proc_uid = _glibtop_sysdeps_proc_uid;
|
|
}
|
|
|
|
#define LINUX_VERSION(x,y,z) (0x10000*(x) + 0x100*(y) + z)
|
|
|
|
/* Provides detailed information about a process. */
|
|
|
|
void
|
|
glibtop_get_proc_uid_s (glibtop *server, glibtop_proc_uid *buf,
|
|
pid_t pid)
|
|
{
|
|
union table tbl;
|
|
long def_priority, priority, nice;
|
|
|
|
glibtop_init_s (&server, GLIBTOP_SYSDEPS_PROC_UID, 0);
|
|
|
|
memset (buf, 0, sizeof (glibtop_proc_uid));
|
|
|
|
if (table (TABLE_PROC_UID, &tbl, &pid))
|
|
glibtop_error_io_r (server, "table(TABLE_PROC_UID)");
|
|
|
|
buf->flags = _glibtop_sysdeps_proc_uid;
|
|
|
|
buf->uid = tbl.proc_uid.uid;
|
|
buf->euid = tbl.proc_uid.euid;
|
|
buf->gid = tbl.proc_uid.gid;
|
|
buf->egid = tbl.proc_uid.egid;
|
|
|
|
buf->pid = tbl.proc_uid.pid;
|
|
buf->ppid = tbl.proc_uid.ppid;
|
|
buf->pgrp = tbl.proc_uid.pgrp;
|
|
buf->session = tbl.proc_uid.session;
|
|
buf->tty = tbl.proc_uid.tty;
|
|
buf->tpgid = tbl.proc_uid.tpgid;
|
|
|
|
/* scale priority and nice values from timeslices to -20..20 */
|
|
/* to make it look like a "normal" unix priority/nice value */
|
|
|
|
def_priority = tbl.proc_uid.def_priority;
|
|
|
|
priority = tbl.proc_uid.counter;
|
|
priority = 20 - (priority * 10 + def_priority / 2) / def_priority;
|
|
nice = tbl.proc_uid.priority;
|
|
nice = 20 - (nice * 20 + def_priority / 2) / def_priority;
|
|
|
|
buf->priority = (int) priority;
|
|
buf->nice = (int) nice;
|
|
|
|
if (buf->tty == 0)
|
|
/* the old notty val, update elsewhere bef. moving to 0 */
|
|
buf->tty = -1;
|
|
|
|
if (server->os_version_code < LINUX_VERSION(1,3,39)) {
|
|
/* map old meanings to new */
|
|
buf->priority = 2*15 - buf->priority;
|
|
buf->nice = 15 - buf->nice;
|
|
}
|
|
if (server->os_version_code < LINUX_VERSION(1,1,30) && buf->tty != -1)
|
|
/* when tty wasn't full devno */
|
|
buf->tty = 4*0x100 + buf->tty;
|
|
|
|
buf->flags = _glibtop_sysdeps_proc_uid;
|
|
}
|