test_mutex.c revision ab8beedeb70c6941e0ff68014d8db64cee4ef15d 
1/*
2 * Copyright (C) 2008 The Android Open Source Project
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 *  * Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 *  * Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in
12 *    the documentation and/or other materials provided with the
13 *    distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
18 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
19 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
25 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28#define __USE_UNIX98  1  /* necessary to define pthread_mutexattr_set/gettype in Linux GLIBC headers. doh ! */
29#include <pthread.h>
30#include <errno.h>
31#include <stdio.h>
32#include <stdarg.h>
33#include <stdlib.h>
34
35static void  panic( const char*  format, ... )
36{
37    va_list  args;
38    va_start(args, format);
39    vfprintf(stderr, format, args);
40    va_end(args);
41    exit(1);
42}
43
44#define  assert(cond)   do { if ( !(cond) ) panic( "%s:%d: assertion failure: %s\n", __FILE__, __LINE__, #cond ); } while (0)
45
46#define  expect(call,result)                                         \
47    do {                                                             \
48        int  ret = (call);                                           \
49        if (ret != (result)) {                                       \
50            panic( "%s:%d: call returned %d instead of %d: %s\n",    \
51                   __FILE__, __LINE__, ret, (result), #call );       \
52        }                                                            \
53    } while (0)
54
55
56int  main( void )
57{
58    pthread_mutex_t       lock = PTHREAD_MUTEX_INITIALIZER;
59    pthread_mutexattr_t   attr;
60    int                   attr_type;
61
62    expect( pthread_mutexattr_init( &attr ), 0 );
63
64    expect( pthread_mutexattr_settype( &attr, PTHREAD_MUTEX_NORMAL ), 0 );
65    expect( pthread_mutexattr_gettype( &attr, &attr_type ), 0 );
66    assert( attr_type == PTHREAD_MUTEX_NORMAL );
67
68    expect( pthread_mutexattr_settype( &attr, PTHREAD_MUTEX_ERRORCHECK ), 0 );
69    expect( pthread_mutexattr_gettype( &attr, &attr_type ), 0 );
70    assert( attr_type == PTHREAD_MUTEX_ERRORCHECK );
71
72    expect( pthread_mutexattr_settype( &attr, PTHREAD_MUTEX_RECURSIVE ), 0 );
73    expect( pthread_mutexattr_gettype( &attr, &attr_type ), 0 );
74    assert( attr_type == PTHREAD_MUTEX_RECURSIVE );
75
76    /* standard mutexes */
77    expect( pthread_mutexattr_settype( &attr, PTHREAD_MUTEX_NORMAL ), 0 );
78    expect( pthread_mutex_init( &lock, &attr ), 0 );
79    expect( pthread_mutex_lock( &lock ), 0 );
80    expect( pthread_mutex_unlock( &lock ), 0 );
81    expect( pthread_mutex_destroy( &lock ), 0 );
82
83    /* error-check mutex */
84    expect( pthread_mutexattr_settype( &attr, PTHREAD_MUTEX_ERRORCHECK ), 0 );
85    expect( pthread_mutex_init( &lock, &attr ), 0 );
86    expect( pthread_mutex_lock( &lock ), 0 );
87    expect( pthread_mutex_lock( &lock ), EDEADLK );
88    expect( pthread_mutex_unlock( &lock ), 0 );
89    expect( pthread_mutex_trylock( &lock ), 0 );
90    expect( pthread_mutex_trylock( &lock ), EDEADLK );
91    expect( pthread_mutex_unlock( &lock ), 0 );
92    expect( pthread_mutex_unlock( &lock ), EPERM );
93    expect( pthread_mutex_destroy( &lock ), 0 );
94
95    /* recursive mutex */
96    expect( pthread_mutexattr_settype( &attr, PTHREAD_MUTEX_RECURSIVE ), 0 );
97    expect( pthread_mutex_init( &lock, &attr ), 0 );
98    expect( pthread_mutex_lock( &lock ), 0 );
99    expect( pthread_mutex_lock( &lock ), 0 );
100    expect( pthread_mutex_unlock( &lock ), 0 );
101    expect( pthread_mutex_unlock( &lock ), 0 );
102    expect( pthread_mutex_trylock( &lock ), 0 );
103    expect( pthread_mutex_unlock( &lock ), 0 );
104    expect( pthread_mutex_unlock( &lock ), EPERM );
105    expect( pthread_mutex_destroy( &lock ), 0 );
106
107    printf( "ok\n" );
108    return 0;
109}
110