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/*
* Copyright (c) International Business Machines Corp., 2002
* This code contributed by Mike Mason <mmlnx@us.ibm.com>
*
* This program 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.
*
* This program 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.
*/
#define __USE_GNU 1 /* required for IPC_INFO define */
#include <sys/ipc.h>
#include <sys/msg.h>
#include "pmapi.h"
#include "msg_limits.h"
int
refresh_msg_limits(msg_limits_t *msg_limits)
{
static struct msginfo msginfo;
static int started;
if (!started) {
started = 1;
memset(msg_limits, 0, sizeof(msg_limits_t));
}
if (msgctl(0, IPC_INFO, (struct msqid_ds *) &msginfo) < 0) {
return -oserror();
}
msg_limits->msgpool = msginfo.msgpool;
msg_limits->msgmap = msginfo.msgmap;
msg_limits->msgmax = msginfo.msgmax;
msg_limits->msgmnb = msginfo.msgmnb;
msg_limits->msgmni = msginfo.msgmni;
msg_limits->msgssz = msginfo.msgssz;
msg_limits->msgtql = msginfo.msgtql;
msg_limits->msgseg = msginfo.msgseg;
/* success */
return 0;
}
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