1 | /* Helper program for testing the pthread_cond_t and pthread_condattr_t |
2 | pretty printers. |
3 | |
4 | Copyright (C) 2016-2022 Free Software Foundation, Inc. |
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 |
19 | <https://www.gnu.org/licenses/>. */ |
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: &attr) == 0 |
46 | && pthread_cond_init (cond: &condvar, NULL) == 0 |
47 | && test_setclock (condvar: &condvar, attr: &attr) == PASS |
48 | && test_setpshared (condvar: &condvar, attr: &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 (cond: condvar) == 0 |
62 | && pthread_cond_init (cond: condvar, cond_attr: attr) == 0) |
63 | result = PASS; |
64 | |
65 | return result; |
66 | } |
67 | |
68 | /* Tests setting the clock ID attribute. */ |
69 | __attribute__ ((noinline)) |
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: 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 | } |
96 | |