|
Packit Service |
407539 |
/* Copyright (C) 1998-99 Martin Baulig
|
|
Packit Service |
407539 |
This file is part of LibGTop 1.0.
|
|
Packit Service |
407539 |
|
|
Packit Service |
407539 |
Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
|
|
Packit Service |
407539 |
|
|
Packit Service |
407539 |
LibGTop is free software; you can redistribute it and/or modify it
|
|
Packit Service |
407539 |
under the terms of the GNU General Public License as published by
|
|
Packit Service |
407539 |
the Free Software Foundation; either version 2 of the License,
|
|
Packit Service |
407539 |
or (at your option) any later version.
|
|
Packit Service |
407539 |
|
|
Packit Service |
407539 |
LibGTop is distributed in the hope that it will be useful, but WITHOUT
|
|
Packit Service |
407539 |
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
Packit Service |
407539 |
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
Packit Service |
407539 |
for more details.
|
|
Packit Service |
407539 |
|
|
Packit Service |
407539 |
You should have received a copy of the GNU General Public License
|
|
Packit Service |
407539 |
along with LibGTop; see the file COPYING. If not, write to the
|
|
Packit Service |
407539 |
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
|
|
Packit Service |
407539 |
Boston, MA 02110-1301, USA.
|
|
Packit Service |
407539 |
*/
|
|
Packit Service |
407539 |
|
|
Packit Service |
407539 |
#include <config.h>
|
|
Packit Service |
407539 |
#include <glibtop.h>
|
|
Packit Service |
407539 |
#include <glibtop/sem_limits.h>
|
|
Packit Service |
407539 |
|
|
Packit Service |
407539 |
#include <kvm.h>
|
|
Packit Service |
407539 |
#include <rctl.h>
|
|
Packit Service |
407539 |
#include <sys/sem.h>
|
|
Packit Service |
407539 |
|
|
Packit Service |
407539 |
static const struct nlist nlst[] = { {"glibtop_sem_limits"}, {NULL} };
|
|
Packit Service |
407539 |
#if GLIBTOP_SOLARIS_RELEASE < 51000
|
|
Packit Service |
407539 |
static const unsigned long _glibtop_sysdeps_sem_limits =
|
|
Packit Service |
407539 |
#if GLIBTOP_SOLARIS_RELEASE <= 50700
|
|
Packit Service |
407539 |
(1L << GLIBTOP_IPC_SEMMAP) +
|
|
Packit Service |
407539 |
#endif
|
|
Packit Service |
407539 |
(1L << GLIBTOP_IPC_SEMMNI) + (1L << GLIBTOP_IPC_SEMMNS) +
|
|
Packit Service |
407539 |
(1L << GLIBTOP_IPC_SEMMNU) + (1L << GLIBTOP_IPC_SEMMSL) +
|
|
Packit Service |
407539 |
(1L << GLIBTOP_IPC_SEMOPM) + (1L << GLIBTOP_IPC_SEMUME) +
|
|
Packit Service |
407539 |
(1L << GLIBTOP_IPC_SEMUSZ) + (1L << GLIBTOP_IPC_SEMVMX) +
|
|
Packit Service |
407539 |
(1L << GLIBTOP_IPC_SEMAEM);
|
|
Packit Service |
407539 |
#else
|
|
Packit Service |
407539 |
static const unsigned long _glibtop_sysdeps_sem_limits = 0;
|
|
Packit Service |
407539 |
#endif
|
|
Packit Service |
407539 |
|
|
Packit Service |
407539 |
|
|
Packit Service |
407539 |
/* Init function. */
|
|
Packit Service |
407539 |
|
|
Packit Service |
407539 |
void
|
|
Packit Service |
407539 |
_glibtop_init_sem_limits_p (glibtop *server)
|
|
Packit Service |
407539 |
{
|
|
Packit Service |
407539 |
#if GLIBTOP_SOLARIS_RELEASE < 51000
|
|
Packit Service |
407539 |
|
|
Packit Service |
407539 |
kvm_t *kd = server->machine->kd;
|
|
Packit Service |
407539 |
|
|
Packit Service |
407539 |
if(kd && !kvm_nlist(kd, nlst))
|
|
Packit Service |
407539 |
server->sysdeps.sem_limits = _glibtop_sysdeps_sem_limits;
|
|
Packit Service |
407539 |
else
|
|
Packit Service |
407539 |
server->sysdeps.sem_limits = 0;
|
|
Packit Service |
407539 |
#endif
|
|
Packit Service |
407539 |
}
|
|
Packit Service |
407539 |
|
|
Packit Service |
407539 |
/* Provides information about sysv sem limits. */
|
|
Packit Service |
407539 |
|
|
Packit Service |
407539 |
void
|
|
Packit Service |
407539 |
glibtop_get_sem_limits_p (glibtop *server, glibtop_sem_limits *buf)
|
|
Packit Service |
407539 |
{
|
|
Packit Service |
407539 |
#if GLIBTOP_SOLARIS_RELEASE < 51000
|
|
Packit Service |
407539 |
kvm_t *kd = server->machine->kd;
|
|
Packit Service |
407539 |
glibtop_sem_limits sinfo;
|
|
Packit Service |
407539 |
|
|
Packit Service |
407539 |
memset (buf, 0, sizeof (glibtop_sem_limits));
|
|
Packit Service |
407539 |
|
|
Packit Service |
407539 |
if(!(server->sysdeps.sem_limits))
|
|
Packit Service |
407539 |
return;
|
|
Packit Service |
407539 |
if(kvm_read(kd, nlst[0].n_value, (void *)&sinfo,
|
|
Packit Service |
407539 |
sizeof(glibtop_sem_limits)) != sizeof(glibtop_sem_limits))
|
|
Packit Service |
407539 |
|
|
Packit Service |
407539 |
return;
|
|
Packit Service |
407539 |
|
|
Packit Service |
407539 |
#if GLIBTOP_SOLARIS_RELEASE <= 50700
|
|
Packit Service |
407539 |
/* This field don't exist anymore in Solaris 8.
|
|
Packit Service |
407539 |
* Thanks to Laszlo PETER <Laszlo.Peter@ireland.sun.com>. */
|
|
Packit Service |
407539 |
buf->semmap = sinfo.semmap;
|
|
Packit Service |
407539 |
#endif
|
|
Packit Service |
407539 |
buf->semmni = sinfo.semmni;
|
|
Packit Service |
407539 |
buf->semmns = sinfo.semmns;
|
|
Packit Service |
407539 |
buf->semmnu = sinfo.semmnu;
|
|
Packit Service |
407539 |
buf->semmsl = sinfo.semmsl;
|
|
Packit Service |
407539 |
buf->semopm = sinfo.semopm;
|
|
Packit Service |
407539 |
buf->semume = sinfo.semume;
|
|
Packit Service |
407539 |
buf->semusz = sinfo.semusz;
|
|
Packit Service |
407539 |
buf->semvmx = sinfo.semvmx;
|
|
Packit Service |
407539 |
buf->semaem = sinfo.semaem;
|
|
Packit Service |
407539 |
#endif
|
|
Packit Service |
407539 |
|
|
Packit Service |
407539 |
#if GLIBTOP_SOLARIS_RELEASE >= 51000
|
|
Packit Service |
407539 |
rctlblk_t *rblk;
|
|
Packit Service |
407539 |
if ((rblk = malloc(rctlblk_size())) == NULL)
|
|
Packit Service |
407539 |
return;
|
|
Packit Service |
407539 |
|
|
Packit Service |
407539 |
if (getrctl("process.max-sem-ops", NULL, rblk, RCTL_FIRST) == -1)
|
|
Packit Service |
407539 |
return;
|
|
Packit Service |
407539 |
else
|
|
Packit Service |
407539 |
buf->semopm = rctlblk_get_value(rblk);
|
|
Packit Service |
407539 |
|
|
Packit Service |
407539 |
if (getrctl("process.max-sem-nsems", NULL, rblk, RCTL_FIRST) == -1)
|
|
Packit Service |
407539 |
return;
|
|
Packit Service |
407539 |
else
|
|
Packit Service |
407539 |
buf->semmsl = rctlblk_get_value(rblk);
|
|
Packit Service |
407539 |
|
|
Packit Service |
407539 |
if (getrctl("project.max-sem-ids", NULL, rblk, RCTL_FIRST) == -1)
|
|
Packit Service |
407539 |
return;
|
|
Packit Service |
407539 |
else
|
|
Packit Service |
407539 |
buf->semmni = rctlblk_get_value(rblk);
|
|
Packit Service |
407539 |
/* there are only 3 fields, the remaining ones have been obsoleted in S10
|
|
Packit Service |
407539 |
and no longer have system-wide limits */
|
|
Packit Service |
407539 |
#endif
|
|
Packit Service |
407539 |
buf->flags = _glibtop_sysdeps_sem_limits;
|
|
Packit Service |
407539 |
|
|
Packit Service |
407539 |
}
|