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581c785b | 1 | /* Copyright (C) 2003-2022 Free Software Foundation, Inc. |
ab2d98e3 | 2 | This file is part of the GNU C Library. |
ab2d98e3 UD |
3 | |
4 | The GNU C Library is free software; you can redistribute it and/or | |
5 | modify it under the terms of the GNU Lesser General Public | |
6 | License as published by the Free Software Foundation; either | |
7 | version 2.1 of the License, or (at your option) any later version. | |
8 | ||
9 | The GNU C Library is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
12 | Lesser General Public License for more details. | |
13 | ||
14 | You should have received a copy of the GNU Lesser General Public | |
59ba27a6 | 15 | License along with the GNU C Library; if not, see |
5a82c748 | 16 | <https://www.gnu.org/licenses/>. */ |
ab2d98e3 UD |
17 | |
18 | #include <errno.h> | |
19 | #include <pthread.h> | |
20 | #include <signal.h> | |
21 | #include <stdio.h> | |
22 | #include <stdlib.h> | |
757f9fcb | 23 | #include <unistd.h> |
ab2d98e3 UD |
24 | #include <sys/time.h> |
25 | ||
26 | ||
d5b38790 GG |
27 | static int do_test (void); |
28 | ||
d5b38790 GG |
29 | #define TEST_FUNCTION do_test () |
30 | #include "../test-skeleton.c" | |
31 | ||
ab2d98e3 UD |
32 | static pthread_cond_t c = PTHREAD_COND_INITIALIZER; |
33 | static pthread_mutex_t m = PTHREAD_MUTEX_INITIALIZER; | |
34 | static pthread_barrier_t b; | |
35 | ||
36 | ||
37 | static void | |
38 | handler (int sig) | |
39 | { | |
d5b38790 | 40 | write_message ("handler called\n"); |
ab2d98e3 UD |
41 | _exit (1); |
42 | } | |
43 | ||
44 | ||
45 | static void * | |
46 | tf (void *a) | |
47 | { | |
48 | /* Block SIGUSR1. */ | |
49 | sigset_t ss; | |
50 | ||
51 | sigemptyset (&ss); | |
52 | sigaddset (&ss, SIGUSR1); | |
53 | if (pthread_sigmask (SIG_BLOCK, &ss, NULL) != 0) | |
54 | { | |
55 | puts ("child: sigmask failed"); | |
56 | exit (1); | |
57 | } | |
58 | ||
59 | if (pthread_mutex_lock (&m) != 0) | |
60 | { | |
61 | puts ("child: mutex_lock failed"); | |
62 | exit (1); | |
63 | } | |
64 | ||
65 | int e = pthread_barrier_wait (&b); | |
66 | if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) | |
67 | { | |
68 | puts ("child: barrier_wait failed"); | |
69 | exit (1); | |
70 | } | |
71 | ||
72 | /* Compute timeout. */ | |
73 | struct timeval tv; | |
74 | (void) gettimeofday (&tv, NULL); | |
75 | struct timespec ts; | |
76 | TIMEVAL_TO_TIMESPEC (&tv, &ts); | |
77 | /* Timeout: 1sec. */ | |
78 | ts.tv_sec += 1; | |
79 | ||
80 | /* This call should never return. */ | |
81 | if (pthread_cond_timedwait (&c, &m, &ts) != ETIMEDOUT) | |
82 | { | |
83 | puts ("cond_timedwait didn't time out"); | |
84 | exit (1); | |
85 | } | |
86 | ||
87 | return NULL; | |
88 | } | |
89 | ||
90 | ||
91 | int | |
92 | do_test (void) | |
93 | { | |
94 | pthread_t th; | |
95 | ||
96 | struct sigaction sa; | |
97 | sigemptyset (&sa.sa_mask); | |
98 | sa.sa_flags = 0; | |
99 | sa.sa_handler = handler; | |
100 | if (sigaction (SIGUSR1, &sa, NULL) != 0) | |
101 | { | |
102 | puts ("sigaction failed"); | |
103 | exit (1); | |
104 | } | |
105 | ||
106 | if (pthread_barrier_init (&b, NULL, 2) != 0) | |
107 | { | |
108 | puts ("barrier_init failed"); | |
109 | exit (1); | |
110 | } | |
111 | ||
112 | if (pthread_create (&th, NULL, tf, NULL) != 0) | |
113 | { | |
114 | puts ("create failed"); | |
115 | exit (1); | |
116 | } | |
117 | ||
118 | int e = pthread_barrier_wait (&b); | |
119 | if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) | |
120 | { | |
121 | puts ("barrier_wait failed"); | |
122 | exit (1); | |
123 | } | |
124 | ||
125 | if (pthread_mutex_lock (&m) != 0) | |
126 | { | |
127 | puts ("mutex_lock failed"); | |
128 | exit (1); | |
129 | } | |
130 | ||
131 | /* Send the thread a signal which it has blocked. */ | |
132 | if (pthread_kill (th, SIGUSR1) != 0) | |
133 | { | |
134 | puts ("kill failed"); | |
135 | exit (1); | |
136 | } | |
137 | ||
138 | if (pthread_mutex_unlock (&m) != 0) | |
139 | { | |
140 | puts ("mutex_unlock failed"); | |
141 | exit (1); | |
142 | } | |
143 | ||
144 | void *r; | |
145 | if (pthread_join (th, &r) != 0) | |
146 | { | |
147 | puts ("join failed"); | |
148 | exit (1); | |
149 | } | |
150 | if (r != NULL) | |
151 | { | |
152 | puts ("return value wrong"); | |
153 | exit (1); | |
154 | } | |
155 | ||
156 | return 0; | |
157 | } |