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Added implementation.

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This commit is contained in:
Martin Baulig
1999-03-21 19:08:59 +00:00
parent b90d2c1c90
commit a429e9c3f9
11 changed files with 351 additions and 38 deletions
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55
sysdeps/kernel/sem_limits.c
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@@ -3,7 +3,7 @@
/* 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.
Contributed by Martin Baulig <martin@home-of-linux.org>, March 1999.
LibGTop is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
@@ -21,23 +21,66 @@
Boston, MA 02111-1307, USA.
*/
#include <glibtop.h>
#include <glibtop/sem_limits.h>
static const unsigned long _glibtop_sysdeps_sem_limits = 0;
#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 =
(1 << GLIBTOP_IPC_SEMMAP) + (1 << GLIBTOP_IPC_SEMMNI) +
(1 << GLIBTOP_IPC_SEMMNS) + (1 << GLIBTOP_IPC_SEMMNU) +
(1 << GLIBTOP_IPC_SEMMSL) + (1 << GLIBTOP_IPC_SEMOPM) +
(1 << GLIBTOP_IPC_SEMUME) + (1 << GLIBTOP_IPC_SEMUSZ) +
(1 << GLIBTOP_IPC_SEMVMX) + (1 << GLIBTOP_IPC_SEMAEM);
/* Init function. */
void
glibtop_init_sem_limits_s (glibtop *server)
{
server->sysdeps.sem_limits = _glibtop_sysdeps_sem_limits;
server->sysdeps.sem_limits = _glibtop_sysdeps_sem_limits;
}
/* Provides information about sysv sem limits. */
/* Provides information about sysv ipc limits. */
void
glibtop_get_sem_limits_s (glibtop *server, glibtop_sem_limits *buf)
{
memset (buf, 0, sizeof (glibtop_sem_limits));
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;
}