Files
libgtop/sysdeps/linux/sem_limits.c
Martin Baulig 18af9297ea This is a larger source-incompatible commit, but it'll make it easier to
1999-12-11  Martin Baulig  <martin@home-of-linux.org>

	This is a larger source-incompatible commit, but it'll make it
	easier to write automatically generated code (for instance for
	scripting languages).

	Renamed all constants for the flags field to match the field names
	from the features.def and structures.def where this was not already
	the case.

	* include/glibtop/cpu.h: s/GLIBTOP_XCPU_/GLIBTOP_CPU_XCPU_/g.
	* include/glibtop/shm_limits.h: s/GLIBTOP_IPC_/GLIBTOP_SHM_LIMITS_/g.
	* include/glibtop/sem_limits.h: s/GLIBTOP_IPC_/GLIBTOP_SEM_LIMITS_/g.
	* include/glibtop/msg_limits.h: s/GLIBTOP_IPC_/GLIBTOP_MSG_LIMITS_/g.
1999-12-11 14:33:18 +00:00

91 lines
2.5 KiB
C

/* $Id$ */
/* 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/sem_limits.h>
#include <sys/ipc.h>
#include <sys/sem.h>
#ifdef _SEM_SEMUN_UNDEFINED
/* glibc 2.1 will no longer defines semun, instead it defines
* _SEM_SEMUN_UNDEFINED so users can define semun on their own.
* Thanks to Albert K T Hui <avatar@deva.net>. */
union semun
{
int val;
struct semid_ds *buf;
unsigned short int *array;
struct seminfo *__buf;
};
#endif
static unsigned long _glibtop_sysdeps_sem_limits =
(1L << GLIBTOP_SEM_LIMITS_SEMMAP) + (1L << GLIBTOP_SEM_LIMITS_SEMMNI) +
(1L << GLIBTOP_SEM_LIMITS_SEMMNS) + (1L << GLIBTOP_SEM_LIMITS_SEMMNU) +
(1L << GLIBTOP_SEM_LIMITS_SEMMSL) + (1L << GLIBTOP_SEM_LIMITS_SEMOPM) +
(1L << GLIBTOP_SEM_LIMITS_SEMUME) + (1L << GLIBTOP_SEM_LIMITS_SEMUSZ) +
(1L << GLIBTOP_SEM_LIMITS_SEMVMX) + (1L << GLIBTOP_SEM_LIMITS_SEMAEM);
/* Init function. */
int
glibtop_init_sem_limits_s (glibtop *server)
{
server->sysdeps.sem_limits = _glibtop_sysdeps_sem_limits;
return 0;
}
/* Provides information about sysv ipc limits. */
int
glibtop_get_sem_limits_s (glibtop *server, glibtop_sem_limits *buf)
{
struct seminfo seminfo;
union semun arg;
glibtop_init_s (&server, GLIBTOP_SYSDEPS_SEM_LIMITS, 0);
memset (buf, 0, sizeof (glibtop_sem_limits));
buf->flags = _glibtop_sysdeps_sem_limits;
arg.array = (ushort *) &seminfo;
semctl (0, 0, IPC_INFO, arg);
buf->semmap = seminfo.semmap;
buf->semmni = seminfo.semmni;
buf->semmns = seminfo.semmns;
buf->semmnu = seminfo.semmnu;
buf->semmsl = seminfo.semmsl;
buf->semopm = seminfo.semopm;
buf->semume = seminfo.semume;
buf->semusz = seminfo.semusz;
buf->semvmx = seminfo.semvmx;
buf->semaem = seminfo.semaem;
return 0;
}