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bfff8b1b | 1 | /* Copyright (C) 2003-2017 Free Software Foundation, Inc. |
ab2d98e3 UD |
2 | This file is part of the GNU C Library. |
3 | Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. | |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
6 | modify it under the terms of the GNU Lesser General Public | |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
9 | ||
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | Lesser General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Lesser General Public | |
59ba27a6 PE |
16 | License along with the GNU C Library; if not, see |
17 | <http://www.gnu.org/licenses/>. */ | |
ab2d98e3 UD |
18 | |
19 | #include <errno.h> | |
20 | #include <pthread.h> | |
21 | #include <signal.h> | |
22 | #include <stdio.h> | |
23 | #include <stdlib.h> | |
24 | #include <sys/time.h> | |
25 | ||
26 | ||
27 | static pthread_cond_t c = PTHREAD_COND_INITIALIZER; | |
28 | static pthread_mutex_t m = PTHREAD_MUTEX_INITIALIZER; | |
29 | static pthread_barrier_t b; | |
30 | ||
31 | static void * | |
32 | tf (void *a) | |
33 | { | |
34 | /* Block SIGUSR1. */ | |
35 | sigset_t ss; | |
36 | ||
37 | sigemptyset (&ss); | |
38 | sigaddset (&ss, SIGUSR1); | |
39 | if (pthread_sigmask (SIG_BLOCK, &ss, NULL) != 0) | |
40 | { | |
41 | puts ("child: sigmask failed"); | |
42 | exit (1); | |
43 | } | |
44 | ||
45 | if (pthread_mutex_lock (&m) != 0) | |
46 | { | |
47 | puts ("child: mutex_lock failed"); | |
48 | exit (1); | |
49 | } | |
50 | ||
51 | int e = pthread_barrier_wait (&b); | |
52 | if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) | |
53 | { | |
54 | puts ("child: barrier_wait failed"); | |
55 | exit (1); | |
56 | } | |
57 | ||
58 | /* Compute timeout. */ | |
59 | struct timeval tv; | |
60 | (void) gettimeofday (&tv, NULL); | |
61 | struct timespec ts; | |
62 | TIMEVAL_TO_TIMESPEC (&tv, &ts); | |
63 | /* Timeout: 1sec. */ | |
64 | ts.tv_sec += 1; | |
65 | ||
66 | /* This call should never return. */ | |
67 | if (pthread_cond_timedwait (&c, &m, &ts) != ETIMEDOUT) | |
68 | { | |
69 | puts ("cond_timedwait didn't time out"); | |
70 | exit (1); | |
71 | } | |
72 | ||
73 | return NULL; | |
74 | } | |
75 | ||
76 | ||
77 | int | |
78 | do_test (void) | |
79 | { | |
80 | pthread_t th; | |
81 | ||
82 | if (pthread_barrier_init (&b, NULL, 2) != 0) | |
83 | { | |
84 | puts ("barrier_init failed"); | |
85 | exit (1); | |
86 | } | |
87 | ||
88 | if (pthread_create (&th, NULL, tf, NULL) != 0) | |
89 | { | |
90 | puts ("create failed"); | |
91 | exit (1); | |
92 | } | |
93 | ||
94 | int e = pthread_barrier_wait (&b); | |
95 | if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) | |
96 | { | |
97 | puts ("barrier_wait failed"); | |
98 | exit (1); | |
99 | } | |
100 | ||
101 | if (pthread_mutex_lock (&m) != 0) | |
102 | { | |
103 | puts ("mutex_lock failed"); | |
104 | exit (1); | |
105 | } | |
106 | ||
107 | /* Send the thread a signal which it has blocked. */ | |
108 | if (pthread_kill (th, SIGUSR1) != 0) | |
109 | { | |
110 | puts ("kill failed"); | |
111 | exit (1); | |
112 | } | |
113 | ||
114 | if (pthread_mutex_unlock (&m) != 0) | |
115 | { | |
116 | puts ("mutex_unlock failed"); | |
117 | exit (1); | |
118 | } | |
119 | ||
120 | void *r; | |
121 | if (pthread_join (th, &r) != 0) | |
122 | { | |
123 | puts ("join failed"); | |
124 | exit (1); | |
125 | } | |
126 | if (r != NULL) | |
127 | { | |
128 | puts ("return value wrong"); | |
129 | exit (1); | |
130 | } | |
131 | ||
132 | return 0; | |
133 | } | |
134 | ||
135 | ||
136 | #define TIMEOUT 5 | |
137 | #define TEST_FUNCTION do_test () | |
138 | #include "../test-skeleton.c" |