source: mainline/kernel/test/atomic/atomic1.c

Last change on this file was 31e15be, checked in by jxsvoboda <5887334+jxsvoboda@…>, 4 years ago

kernel: deprecate atomic_t

  • Property mode set to 100644
File size: 2.2 KB
Line 
1/*
2 * Copyright (c) 2006 Jakub Jermar
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - 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 * - 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
29#include <test.h>
30#include <atomic.h>
31
32const char *test_atomic1(void)
33{
34 atomic_int a;
35
36 atomic_store(&a, 10);
37 if (atomic_load(&a) != 10)
38 return "Failed atomic_store()/atomic_load()";
39
40 if (atomic_postinc(&a) != 10)
41 return "Failed atomic_postinc()";
42 if (atomic_load(&a) != 11)
43 return "Failed atomic_load() after atomic_postinc()";
44
45 if (atomic_postdec(&a) != 11)
46 return "Failed atomic_postdec()";
47 if (atomic_load(&a) != 10)
48 return "Failed atomic_load() after atomic_postdec()";
49
50 if (atomic_preinc(&a) != 11)
51 return "Failed atomic_preinc()";
52 if (atomic_load(&a) != 11)
53 return "Failed atomic_load() after atomic_preinc()";
54
55 if (atomic_predec(&a) != 10)
56 return "Failed atomic_predec()";
57 if (atomic_load(&a) != 10)
58 return "Failed atomic_load() after atomic_predec()";
59
60 return NULL;
61}
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