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d614a753 | 1 | /* Copyright (C) 2003-2020 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 | 16 | License along with the GNU C Library; if not, see |
5a82c748 | 17 | <https://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 | ||
d5b38790 GG |
30 | #define TEST_FUNCTION do_test () |
31 | #include "../test-skeleton.c" | |
32 | ||
ab2d98e3 UD |
33 | static pthread_cond_t c = PTHREAD_COND_INITIALIZER; |
34 | static pthread_mutex_t m = PTHREAD_MUTEX_INITIALIZER; | |
35 | static pthread_barrier_t b; | |
36 | ||
37 | ||
38 | static void | |
39 | handler (int sig) | |
40 | { | |
d5b38790 | 41 | write_message ("handler called\n"); |
ab2d98e3 UD |
42 | _exit (1); |
43 | } | |
44 | ||
45 | ||
46 | static void * | |
47 | tf (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 | ||
92 | int | |
93 | do_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 | } |