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Dmitry V. Levin38a34c92015-12-17 17:56:48 +00001/*
Dmitry V. Levin38a34c92015-12-17 17:56:48 +00002 * Copyright (c) 2015 Andreas Schwab <schwab@suse.de>
Dmitry V. Levinefb13402016-01-06 11:59:29 +00003 * Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
Dmitry V. Levin38a34c92015-12-17 17:56:48 +00004 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
Dmitry V. Levinefb13402016-01-06 11:59:29 +000029#include "tests.h"
Dmitry V. Levin7230d0a2015-01-14 16:52:28 +000030#include <errno.h>
Dmitry V. Levinefb13402016-01-06 11:59:29 +000031#include <stdio.h>
32#include <stdlib.h>
Dmitry V. Levin12e24422015-01-12 16:08:59 +000033#include <sys/sem.h>
34
Andreas Schwabfa5ce372015-03-11 12:33:30 +010035union semun {
36 int val; /* Value for SETVAL */
37 struct semid_ds *buf; /* Buffer for IPC_STAT, IPC_SET */
38 unsigned short *array; /* Array for GETALL, SETALL */
39 struct seminfo *__buf; /* Buffer for IPC_INFO
40 (Linux-specific) */
41};
42
Dmitry V. Levinefb13402016-01-06 11:59:29 +000043static int id = -1;
44
45static void
46cleanup(void)
47{
48 semctl(id, 0, IPC_RMID, 0);
49 printf("semctl\\(%d, 0, (IPC_64\\|)?IPC_RMID, \\[?0\\]?\\) += 0\n", id);
50 id = -1;
51}
52
Dmitry V. Levin12e24422015-01-12 16:08:59 +000053int
54main(void)
55{
Dmitry V. Levinefb13402016-01-06 11:59:29 +000056 int rc;
Andreas Schwabfa5ce372015-03-11 12:33:30 +010057 union semun un;
Dmitry V. Levin7230d0a2015-01-14 16:52:28 +000058 struct semid_ds ds;
59 struct seminfo info;
60
61 id = semget(IPC_PRIVATE, 1, 0600);
Dmitry V. Levin12e24422015-01-12 16:08:59 +000062 if (id < 0)
Dmitry V. Levinefb13402016-01-06 11:59:29 +000063 perror_msg_and_skip("semget");
Dmitry V. Levin12e24422015-01-12 16:08:59 +000064 printf("semget\\(IPC_PRIVATE, 1, 0600\\) += %d\n", id);
Dmitry V. Levinefb13402016-01-06 11:59:29 +000065 atexit(cleanup);
Dmitry V. Levin12e24422015-01-12 16:08:59 +000066
Andreas Schwabfa5ce372015-03-11 12:33:30 +010067 un.buf = &ds;
68 if (semctl(id, 0, IPC_STAT, un))
Dmitry V. Levinefb13402016-01-06 11:59:29 +000069 perror_msg_and_skip("semctl IPC_STAT");
Dmitry V. Levin499c5aa2015-03-11 14:57:57 +000070 printf("semctl\\(%d, 0, (IPC_64\\|)?IPC_STAT, \\[?%p\\]?\\) += 0\n",
71 id, &ds);
Dmitry V. Levin12e24422015-01-12 16:08:59 +000072
Andreas Schwabfa5ce372015-03-11 12:33:30 +010073 un.__buf = &info;
74 int max = semctl(0, 0, SEM_INFO, un);
Dmitry V. Levin12e24422015-01-12 16:08:59 +000075 if (max < 0)
Dmitry V. Levinefb13402016-01-06 11:59:29 +000076 perror_msg_and_skip("semctl SEM_INFO");
Dmitry V. Levin499c5aa2015-03-11 14:57:57 +000077 printf("semctl\\(0, 0, (IPC_64\\|)?SEM_INFO, \\[?%p\\]?\\) += %d\n",
78 &info, max);
Dmitry V. Levin12e24422015-01-12 16:08:59 +000079
Andreas Schwabfa5ce372015-03-11 12:33:30 +010080 un.buf = &ds;
81 rc = semctl(id, 0, SEM_STAT, un);
Dmitry V. Levin7230d0a2015-01-14 16:52:28 +000082 if (rc != id) {
83 /*
84 * In linux < v2.6.24-rc1 the first argument must be
85 * an index in the kernel's internal array.
86 */
87 if (-1 != rc || EINVAL != errno)
Dmitry V. Levinefb13402016-01-06 11:59:29 +000088 perror_msg_and_skip("semctl SEM_STAT");
Dmitry V. Levin499c5aa2015-03-11 14:57:57 +000089 printf("semctl\\(%d, 0, (IPC_64\\|)?SEM_STAT, \\[?%p\\]?\\)"
Dmitry V. Levinefb13402016-01-06 11:59:29 +000090 " += -1 EINVAL \\(%m\\)\n", id, &ds);
Dmitry V. Levin7230d0a2015-01-14 16:52:28 +000091 } else {
Dmitry V. Levin499c5aa2015-03-11 14:57:57 +000092 printf("semctl\\(%d, 0, (IPC_64\\|)?SEM_STAT, \\[?%p\\]?\\)"
93 " += %d\n", id, &ds, id);
Dmitry V. Levin7230d0a2015-01-14 16:52:28 +000094 }
Dmitry V. Levin12e24422015-01-12 16:08:59 +000095
Dmitry V. Levinefb13402016-01-06 11:59:29 +000096 return 0;
Dmitry V. Levin12e24422015-01-12 16:08:59 +000097}