Dmitry V. Levin
3ba7feca53
* tests/ipc_msg.c (cleanup): New function. (main): Use it and perror_msg_and_skip.
91 lines
3.2 KiB
C
91 lines
3.2 KiB
C
/*
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* Copyright (c) 2015 Elvira Khabirova <lineprinter0@gmail.com>
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* Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "tests.h"
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/msg.h>
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static int id = -1;
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static void
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cleanup(void)
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{
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msgctl(id, IPC_RMID, NULL);
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printf("msgctl\\(%d, (IPC_64\\|)?IPC_RMID, NULL\\) += 0\n", id);
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id = -1;
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}
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int
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main(void)
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{
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int rc;
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struct msqid_ds ds;
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id = msgget(IPC_PRIVATE, 0600);
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if (id < 0)
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perror_msg_and_skip("msgget");
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printf("msgget\\(IPC_PRIVATE, 0600\\) += %d\n", id);
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atexit(cleanup);
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if (msgctl(id, IPC_STAT, &ds))
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perror_msg_and_skip("msgctl IPC_STAT");
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printf("msgctl\\(%d, (IPC_64\\|)?IPC_STAT, \\{msg_perm=\\{uid=%u, gid=%u, "
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"mode=%#o, key=%u, cuid=%u, cgid=%u\\}, msg_stime=%u, msg_rtime=%u, "
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"msg_ctime=%u, msg_qnum=%u, msg_qbytes=%u, msg_lspid=%u, "
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"msg_lrpid=%u\\}\\) += 0\n",
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id, (unsigned) ds.msg_perm.uid, (unsigned) ds.msg_perm.gid,
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(unsigned) ds.msg_perm.mode, (unsigned) ds.msg_perm.__key,
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(unsigned) ds.msg_perm.cuid, (unsigned) ds.msg_perm.cgid,
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(unsigned) ds.msg_stime, (unsigned) ds.msg_rtime,
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(unsigned) ds.msg_ctime, (unsigned) ds.msg_qnum,
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(unsigned) ds.msg_qbytes, (unsigned) ds.msg_lspid,
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(unsigned) ds.msg_lrpid);
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int max = msgctl(0, MSG_INFO, &ds);
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if (max < 0)
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perror_msg_and_skip("msgctl MSG_INFO");
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printf("msgctl\\(0, (IPC_64\\|)?MSG_INFO, %p\\) += %d\n", &ds, max);
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rc = msgctl(id, MSG_STAT, &ds);
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if (rc != id) {
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/*
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* In linux < v2.6.24-rc1 the first argument must be
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* an index in the kernel's internal array.
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*/
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if (-1 != rc || EINVAL != errno)
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perror_msg_and_skip("msgctl MSG_STAT");
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printf("msgctl\\(%d, (IPC_64\\|)?MSG_STAT, %p\\) += -1 EINVAL \\(%m\\)\n", id, &ds);
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} else {
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printf("msgctl\\(%d, (IPC_64\\|)?MSG_STAT, %p\\) += %d\n", id, &ds, id);
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}
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return 0;
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}
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