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/* Copyright (C) 1998-99 Martin Baulig
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This file is part of LibGTop 1.0.
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Contributed by Martin Baulig <martin@home-of-linux.org>, August 1998.
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LibGTop is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License,
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or (at your option) any later version.
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LibGTop is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with LibGTop; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#include <config.h>
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#include <glibtop.h>
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#include <glibtop/error.h>
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#include <glibtop/msg_limits.h>
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#include <sys/types.h>
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#include <sys/sysctl.h>
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static const unsigned long _glibtop_sysdeps_msg_limits =
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(1L << GLIBTOP_IPC_MSGMAX) + (1L << GLIBTOP_IPC_MSGMNI) +
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(1L << GLIBTOP_IPC_MSGMNB) + (1L << GLIBTOP_IPC_MSGTQL) +
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(1L << GLIBTOP_IPC_MSGSSZ) + (1L << GLIBTOP_IPC_MSGPOOL);
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/* Init function. */
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void
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_glibtop_init_msg_limits_s (glibtop *server)
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{
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server->sysdeps.msg_limits = _glibtop_sysdeps_msg_limits;
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}
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/* Provides information about sysv ipc limits. */
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void
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glibtop_get_msg_limits_s (glibtop *server, glibtop_msg_limits *buf)
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{
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size_t len;
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int msgmax, msgmni, msgmnb, msgtql, msgssz, msgseg;
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memset (buf, 0, sizeof (glibtop_msg_limits));
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if (server->sysdeps.msg_limits == 0)
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return;
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len = sizeof (msgseg);
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if (sysctlbyname ("kern.ipc.msgseg", &msgseg, &len, NULL, 0)) {
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glibtop_warn_io_r (server, "sysctl (kern.ipc.msgseg)");
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return;
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}
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len = sizeof (msgssz);
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if (sysctlbyname ("kern.ipc.msgssz", &msgssz, &len, NULL, 0)) {
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glibtop_warn_io_r (server, "sysctl (kern.ipc.msgssz)");
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return;
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}
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len = sizeof (msgtql);
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if (sysctlbyname ("kern.ipc.msgtql", &msgtql, &len, NULL, 0)) {
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glibtop_warn_io_r (server, "sysctl (kern.ipc.msgtql)");
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return;
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}
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len = sizeof (msgmnb);
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if (sysctlbyname ("kern.ipc.msgmnb", &msgmnb, &len, NULL, 0)) {
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glibtop_warn_io_r (server, "sysctl (kern.ipc.msgmnb)");
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return;
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}
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len = sizeof (msgmni);
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if (sysctlbyname ("kern.ipc.msgmni", &msgmni, &len, NULL, 0)) {
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glibtop_warn_io_r (server, "sysctl (kern.ipc.msgmni)");
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return;
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}
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len = sizeof (msgmax);
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if (sysctlbyname ("kern.ipc.msgmax", &msgmax, &len, NULL, 0)) {
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glibtop_warn_io_r (server, "sysctl (kern.ipc.msgmax)");
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return;
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}
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buf->msgmax = msgmax;
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buf->msgmni = msgmni;
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buf->msgmnb = msgmnb;
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buf->msgtql = msgtql;
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buf->msgssz = msgssz;
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buf->msgpool = msgseg;
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buf->flags = _glibtop_sysdeps_msg_limits;
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}
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