1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
|
/* Helper program for testing the pthread_cond_t and pthread_condattr_t
pretty printers.
Copyright (C) 2016-2017 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
/* Keep the calls to the pthread_* functions on separate lines to make it easy
to advance through the program using the gdb 'next' command. */
#include <time.h>
#include <pthread.h>
#define PASS 0
#define FAIL 1
static int condvar_reinit (pthread_cond_t *condvar,
const pthread_condattr_t *attr);
static int test_setclock (pthread_cond_t *condvar, pthread_condattr_t *attr);
static int test_setpshared (pthread_cond_t *condvar, pthread_condattr_t *attr);
/* Need these so we don't have lines longer than 79 chars. */
#define SET_SHARED(attr, shared) pthread_condattr_setpshared (attr, shared)
int
main (void)
{
pthread_cond_t condvar;
pthread_condattr_t attr;
int result = FAIL;
if (pthread_condattr_init (&attr) == 0
&& pthread_cond_init (&condvar, NULL) == 0
&& test_setclock (&condvar, &attr) == PASS
&& test_setpshared (&condvar, &attr) == PASS)
result = PASS;
/* Else, one of the pthread_cond* functions failed. */
return result;
}
/* Destroys CONDVAR and re-initializes it using ATTR. */
static int
condvar_reinit (pthread_cond_t *condvar, const pthread_condattr_t *attr)
{
int result = FAIL;
if (pthread_cond_destroy (condvar) == 0
&& pthread_cond_init (condvar, attr) == 0)
result = PASS;
return result;
}
/* Tests setting the clock ID attribute. */
__attribute__ ((noinline))
static int
test_setclock (pthread_cond_t *condvar, pthread_condattr_t *attr)
{
int result = FAIL;
if (pthread_condattr_setclock (attr, CLOCK_REALTIME) == 0 /* Set clock. */
&& condvar_reinit (condvar, attr) == PASS)
result = PASS;
return result;
}
/* Tests setting whether the condvar can be shared between processes. */
static int
test_setpshared (pthread_cond_t *condvar, pthread_condattr_t *attr)
{
int result = FAIL;
if (SET_SHARED (attr, PTHREAD_PROCESS_SHARED) == 0 /* Set shared. */
&& condvar_reinit (condvar, attr) == PASS
&& SET_SHARED (attr, PTHREAD_PROCESS_PRIVATE) == 0
&& condvar_reinit (condvar, attr) == PASS)
result = PASS;
return result;
}
|
