libc

/* $Id$ */
/* Copyright (c) 2017 Pierre Pronchery <khorben@defora.org> */
/* This file is part of DeforaOS System libc */
/* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
#include <sys/msg.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
/* msgctl */
static int _msgctl(char const * progname)
{
int qid;
struct msqid_ds ds;
int d;
printf("%s: Testing %s()\n", progname, "msgctl");
if((qid = msgget(IPC_PRIVATE, IPC_CREAT)) == -1)
{
printf("%s: msgget(IPC_PRIVATE) => %d (%s)\n", progname, qid,
strerror(errno));
return 2;
}
if((d = msgctl(qid, IPC_STAT, &ds)) != 0)
printf("%s: msgctl(IPC_STAT) => %d (%s)\n", progname, d,
strerror(errno));
if((d = msgctl(qid, IPC_RMID, NULL)) != 0)
{
printf("%s: msgctl(IPC_RMID) => %d (%s)\n", progname, d,
strerror(errno));
return 2;
}
return 0;
}
/* main */
int main(int argc, char * argv[])
{
int ret = 0;
(void) argc;
ret |= _msgctl(argv[0]);
return (ret == 0) ? 0 : 2;
}