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/* Copyright (C) 1998-99 Martin Baulig
This file is part of LibGTop 1.0.
Contributed by Martin Baulig <martin@home-of-linux.org>, August 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., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include <config.h>
#include <glibtop.h>
#include <glibtop/error.h>
#include <glibtop/sem_limits.h>
#include <sys/types.h>
#include <sys/sysctl.h>
static unsigned long _glibtop_sysdeps_sem_limits =
(1L << GLIBTOP_IPC_SEMMAP) + (1L << GLIBTOP_IPC_SEMMNI) +
(1L << GLIBTOP_IPC_SEMMNS) + (1L << GLIBTOP_IPC_SEMMNU) +
(1L << GLIBTOP_IPC_SEMMSL) + (1L << GLIBTOP_IPC_SEMOPM) +
(1L << GLIBTOP_IPC_SEMUME) + (1L << GLIBTOP_IPC_SEMUSZ) +
(1L << GLIBTOP_IPC_SEMVMX) + (1L << GLIBTOP_IPC_SEMAEM);
/* Init function. */
void
_glibtop_init_sem_limits_s (glibtop *server)
{
server->sysdeps.sem_limits = _glibtop_sysdeps_sem_limits;
}
/* Provides information about sysv sem limits. */
void
glibtop_get_sem_limits_s (glibtop *server, glibtop_sem_limits *buf)
{
size_t len;
int semmap, semmni, semmns, semmnu, semmsl, semopm, semume, semusz;
int semvmx, semaem;
memset (buf, 0, sizeof (glibtop_sem_limits));
if (server->sysdeps.sem_limits == 0)
return;
len = sizeof (semmap);
if (sysctlbyname ("kern.ipc.semmap", &semmap, &len, NULL, 0)) {
glibtop_warn_io_r (server, "sysctl (kern.ipc.semmap)");
return;
}
len = sizeof (semmni);
if (sysctlbyname ("kern.ipc.semmni", &semmni, &len, NULL, 0)) {
glibtop_warn_io_r (server, "sysctl (kern.ipc.semmni)");
return;
}
len = sizeof (semmns);
if (sysctlbyname ("kern.ipc.semmns", &semmns, &len, NULL, 0)) {
glibtop_warn_io_r (server, "sysctl (kern.ipc.semmns)");
return;
}
len = sizeof (semmnu);
if (sysctlbyname ("kern.ipc.semmnu", &semmnu, &len, NULL, 0)) {
glibtop_warn_io_r (server, "sysctl (kern.ipc.semmnu)");
return;
}
len = sizeof (semmsl);
if (sysctlbyname ("kern.ipc.semmsl", &semmsl, &len, NULL, 0)) {
glibtop_warn_io_r (server, "sysctl (kern.ipc.semmsl)");
return;
}
len = sizeof (semopm);
if (sysctlbyname ("kern.ipc.semopm", &semopm, &len, NULL, 0)) {
glibtop_warn_io_r (server, "sysctl (kern.ipc.semopm)");
return;
}
len = sizeof (semume);
if (sysctlbyname ("kern.ipc.semume", &semume, &len, NULL, 0)) {
glibtop_warn_io_r (server, "sysctl (kern.ipc.semume)");
return;
}
len = sizeof (semusz);
if (sysctlbyname ("kern.ipc.semusz", &semusz, &len, NULL, 0)) {
glibtop_warn_io_r (server, "sysctl (kern.ipc.semusz)");
return;
}
len = sizeof (semvmx);
if (sysctlbyname ("kern.ipc.semvmx", &semvmx, &len, NULL, 0)) {
glibtop_warn_io_r (server, "sysctl (kern.ipc.semvmx)");
return;
}
len = sizeof (semaem);
if (sysctlbyname ("kern.ipc.semaem", &semaem, &len, NULL, 0)) {
glibtop_warn_io_r (server, "sysctl (kern.ipc.semaem)");
return;
}
buf->semmap = semmap;
buf->semmni = semmni;
buf->semmns = semmns;
buf->semmnu = semmnu;
buf->semmsl = semmsl;
buf->semopm = semopm;
buf->semume = semume;
buf->semusz = semusz;
buf->semvmx = semvmx;
buf->semaem = semaem;
buf->flags = _glibtop_sysdeps_sem_limits;
}
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