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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 <unistd.h>
25#include <sys/time.h>
26
27
28static int do_test (void);
29
30#define TEST_FUNCTION do_test ()
31#include "../test-skeleton.c"
32
33static pthread_cond_t c = PTHREAD_COND_INITIALIZER;
34static pthread_mutex_t m = PTHREAD_MUTEX_INITIALIZER;
35static pthread_barrier_t b;
36
37
38static void
39handler (int sig)
40{
41 write_message ("handler called\n");
42 _exit (1);
43}
44
45
46static void *
47tf (void *a)
48{
49 /* Block SIGUSR1. */
50 sigset_t ss;
51
52 sigemptyset (&ss);
53 sigaddset (&ss, SIGUSR1);
54 if (pthread_sigmask (SIG_BLOCK, &ss, NULL) != 0)
55 {
56 puts ("child: sigmask failed");
57 exit (1);
58 }
59
60 if (pthread_mutex_lock (&m) != 0)
61 {
62 puts ("child: mutex_lock failed");
63 exit (1);
64 }
65
66 int e = pthread_barrier_wait (&b);
67 if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
68 {
69 puts ("child: barrier_wait failed");
70 exit (1);
71 }
72
73 /* Compute timeout. */
74 struct timeval tv;
75 (void) gettimeofday (&tv, NULL);
76 struct timespec ts;
77 TIMEVAL_TO_TIMESPEC (&tv, &ts);
78 /* Timeout: 1sec. */
79 ts.tv_sec += 1;
80
81 /* This call should never return. */
82 if (pthread_cond_timedwait (&c, &m, &ts) != ETIMEDOUT)
83 {
84 puts ("cond_timedwait didn't time out");
85 exit (1);
86 }
87
88 return NULL;
89}
90
91
92int
93do_test (void)
94{
95 pthread_t th;
96
97 struct sigaction sa;
98 sigemptyset (&sa.sa_mask);
99 sa.sa_flags = 0;
100 sa.sa_handler = handler;
101 if (sigaction (SIGUSR1, &sa, NULL) != 0)
102 {
103 puts ("sigaction failed");
104 exit (1);
105 }
106
107 if (pthread_barrier_init (&b, NULL, 2) != 0)
108 {
109 puts ("barrier_init failed");
110 exit (1);
111 }
112
113 if (pthread_create (&th, NULL, tf, NULL) != 0)
114 {
115 puts ("create failed");
116 exit (1);
117 }
118
119 int e = pthread_barrier_wait (&b);
120 if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
121 {
122 puts ("barrier_wait failed");
123 exit (1);
124 }
125
126 if (pthread_mutex_lock (&m) != 0)
127 {
128 puts ("mutex_lock failed");
129 exit (1);
130 }
131
132 /* Send the thread a signal which it has blocked. */
133 if (pthread_kill (th, SIGUSR1) != 0)
134 {
135 puts ("kill failed");
136 exit (1);
137 }
138
139 if (pthread_mutex_unlock (&m) != 0)
140 {
141 puts ("mutex_unlock failed");
142 exit (1);
143 }
144
145 void *r;
146 if (pthread_join (th, &r) != 0)
147 {
148 puts ("join failed");
149 exit (1);
150 }
151 if (r != NULL)
152 {
153 puts ("return value wrong");
154 exit (1);
155 }
156
157 return 0;
158}
159

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