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1/* Copyright (C) 2003-2019 Free Software Foundation, Inc.
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
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
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
27static pthread_cond_t c = PTHREAD_COND_INITIALIZER;
28static pthread_mutex_t m = PTHREAD_MUTEX_INITIALIZER;
29static pthread_barrier_t b;
30
31static void *
32tf (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
77int
78do_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 TEST_FUNCTION do_test ()
137#include "../test-skeleton.c"
138

Warning: That file was not part of the compilation database. It may have many parsing errors.