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23b5cae1 MG |
1 | /* Helper program for testing the pthread_cond_t and pthread_condattr_t |
2 | pretty printers. | |
3 | ||
dff8da6b | 4 | Copyright (C) 2016-2024 Free Software Foundation, Inc. |
23b5cae1 MG |
5 | This file is part of the GNU C Library. |
6 | ||
7 | The GNU C Library is free software; you can redistribute it and/or | |
8 | modify it under the terms of the GNU Lesser General Public | |
9 | License as published by the Free Software Foundation; either | |
10 | version 2.1 of the License, or (at your option) any later version. | |
11 | ||
12 | The GNU C Library is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | Lesser General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU Lesser General Public | |
18 | License along with the GNU C Library; if not, see | |
5a82c748 | 19 | <https://www.gnu.org/licenses/>. */ |
23b5cae1 MG |
20 | |
21 | /* Keep the calls to the pthread_* functions on separate lines to make it easy | |
22 | to advance through the program using the gdb 'next' command. */ | |
23 | ||
24 | #include <time.h> | |
25 | #include <pthread.h> | |
26 | ||
27 | #define PASS 0 | |
28 | #define FAIL 1 | |
29 | ||
30 | static int condvar_reinit (pthread_cond_t *condvar, | |
31 | const pthread_condattr_t *attr); | |
32 | static int test_setclock (pthread_cond_t *condvar, pthread_condattr_t *attr); | |
33 | static int test_setpshared (pthread_cond_t *condvar, pthread_condattr_t *attr); | |
34 | ||
35 | /* Need these so we don't have lines longer than 79 chars. */ | |
36 | #define SET_SHARED(attr, shared) pthread_condattr_setpshared (attr, shared) | |
37 | ||
38 | int | |
39 | main (void) | |
40 | { | |
41 | pthread_cond_t condvar; | |
42 | pthread_condattr_t attr; | |
43 | int result = FAIL; | |
44 | ||
45 | if (pthread_condattr_init (&attr) == 0 | |
46 | && pthread_cond_init (&condvar, NULL) == 0 | |
47 | && test_setclock (&condvar, &attr) == PASS | |
48 | && test_setpshared (&condvar, &attr) == PASS) | |
49 | result = PASS; | |
50 | /* Else, one of the pthread_cond* functions failed. */ | |
51 | ||
52 | return result; | |
53 | } | |
54 | ||
55 | /* Destroys CONDVAR and re-initializes it using ATTR. */ | |
56 | static int | |
57 | condvar_reinit (pthread_cond_t *condvar, const pthread_condattr_t *attr) | |
58 | { | |
59 | int result = FAIL; | |
60 | ||
61 | if (pthread_cond_destroy (condvar) == 0 | |
62 | && pthread_cond_init (condvar, attr) == 0) | |
63 | result = PASS; | |
64 | ||
65 | return result; | |
66 | } | |
67 | ||
68 | /* Tests setting the clock ID attribute. */ | |
81e0662e | 69 | __attribute__ ((noinline)) |
23b5cae1 MG |
70 | static int |
71 | test_setclock (pthread_cond_t *condvar, pthread_condattr_t *attr) | |
72 | { | |
73 | int result = FAIL; | |
74 | ||
75 | if (pthread_condattr_setclock (attr, CLOCK_REALTIME) == 0 /* Set clock. */ | |
76 | && condvar_reinit (condvar, attr) == PASS) | |
77 | result = PASS; | |
78 | ||
79 | return result; | |
80 | } | |
81 | ||
82 | /* Tests setting whether the condvar can be shared between processes. */ | |
83 | static int | |
84 | test_setpshared (pthread_cond_t *condvar, pthread_condattr_t *attr) | |
85 | { | |
86 | int result = FAIL; | |
87 | ||
88 | if (SET_SHARED (attr, PTHREAD_PROCESS_SHARED) == 0 /* Set shared. */ | |
89 | && condvar_reinit (condvar, attr) == PASS | |
90 | && SET_SHARED (attr, PTHREAD_PROCESS_PRIVATE) == 0 | |
91 | && condvar_reinit (condvar, attr) == PASS) | |
92 | result = PASS; | |
93 | ||
94 | return result; | |
95 | } |