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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> | |
757f9fcb | 24 | #include <unistd.h> |
ab2d98e3 UD |
25 | #include <sys/time.h> |
26 | ||
27 | ||
d5b38790 GG |
28 | static int do_test (void); |
29 | ||
30 | #define TIMEOUT 5 | |
31 | #define TEST_FUNCTION do_test () | |
32 | #include "../test-skeleton.c" | |
33 | ||
ab2d98e3 UD |
34 | static pthread_cond_t c = PTHREAD_COND_INITIALIZER; |
35 | static pthread_mutex_t m = PTHREAD_MUTEX_INITIALIZER; | |
36 | static pthread_barrier_t b; | |
37 | ||
38 | ||
39 | static void | |
40 | handler (int sig) | |
41 | { | |
d5b38790 | 42 | write_message ("handler called\n"); |
ab2d98e3 UD |
43 | _exit (1); |
44 | } | |
45 | ||
46 | ||
47 | static void * | |
48 | tf (void *a) | |
49 | { | |
50 | /* Block SIGUSR1. */ | |
51 | sigset_t ss; | |
52 | ||
53 | sigemptyset (&ss); | |
54 | sigaddset (&ss, SIGUSR1); | |
55 | if (pthread_sigmask (SIG_BLOCK, &ss, NULL) != 0) | |
56 | { | |
57 | puts ("child: sigmask failed"); | |
58 | exit (1); | |
59 | } | |
60 | ||
61 | if (pthread_mutex_lock (&m) != 0) | |
62 | { | |
63 | puts ("child: mutex_lock failed"); | |
64 | exit (1); | |
65 | } | |
66 | ||
67 | int e = pthread_barrier_wait (&b); | |
68 | if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) | |
69 | { | |
70 | puts ("child: barrier_wait failed"); | |
71 | exit (1); | |
72 | } | |
73 | ||
74 | /* Compute timeout. */ | |
75 | struct timeval tv; | |
76 | (void) gettimeofday (&tv, NULL); | |
77 | struct timespec ts; | |
78 | TIMEVAL_TO_TIMESPEC (&tv, &ts); | |
79 | /* Timeout: 1sec. */ | |
80 | ts.tv_sec += 1; | |
81 | ||
82 | /* This call should never return. */ | |
83 | if (pthread_cond_timedwait (&c, &m, &ts) != ETIMEDOUT) | |
84 | { | |
85 | puts ("cond_timedwait didn't time out"); | |
86 | exit (1); | |
87 | } | |
88 | ||
89 | return NULL; | |
90 | } | |
91 | ||
92 | ||
93 | int | |
94 | do_test (void) | |
95 | { | |
96 | pthread_t th; | |
97 | ||
98 | struct sigaction sa; | |
99 | sigemptyset (&sa.sa_mask); | |
100 | sa.sa_flags = 0; | |
101 | sa.sa_handler = handler; | |
102 | if (sigaction (SIGUSR1, &sa, NULL) != 0) | |
103 | { | |
104 | puts ("sigaction failed"); | |
105 | exit (1); | |
106 | } | |
107 | ||
108 | if (pthread_barrier_init (&b, NULL, 2) != 0) | |
109 | { | |
110 | puts ("barrier_init failed"); | |
111 | exit (1); | |
112 | } | |
113 | ||
114 | if (pthread_create (&th, NULL, tf, NULL) != 0) | |
115 | { | |
116 | puts ("create failed"); | |
117 | exit (1); | |
118 | } | |
119 | ||
120 | int e = pthread_barrier_wait (&b); | |
121 | if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) | |
122 | { | |
123 | puts ("barrier_wait failed"); | |
124 | exit (1); | |
125 | } | |
126 | ||
127 | if (pthread_mutex_lock (&m) != 0) | |
128 | { | |
129 | puts ("mutex_lock failed"); | |
130 | exit (1); | |
131 | } | |
132 | ||
133 | /* Send the thread a signal which it has blocked. */ | |
134 | if (pthread_kill (th, SIGUSR1) != 0) | |
135 | { | |
136 | puts ("kill failed"); | |
137 | exit (1); | |
138 | } | |
139 | ||
140 | if (pthread_mutex_unlock (&m) != 0) | |
141 | { | |
142 | puts ("mutex_unlock failed"); | |
143 | exit (1); | |
144 | } | |
145 | ||
146 | void *r; | |
147 | if (pthread_join (th, &r) != 0) | |
148 | { | |
149 | puts ("join failed"); | |
150 | exit (1); | |
151 | } | |
152 | if (r != NULL) | |
153 | { | |
154 | puts ("return value wrong"); | |
155 | exit (1); | |
156 | } | |
157 | ||
158 | return 0; | |
159 | } |