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1 | /* Copyright (C) 2003 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, write to the Free | |
17 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | |
18 | 02111-1307 USA. */ | |
19 | ||
20 | #include <errno.h> | |
21 | #include <pthread.h> | |
22 | #include <signal.h> | |
23 | #include <stdio.h> | |
24 | #include <stdlib.h> | |
25 | #include <sys/time.h> | |
26 | ||
27 | ||
28 | static pthread_cond_t c = PTHREAD_COND_INITIALIZER; | |
29 | static pthread_mutex_t m = PTHREAD_MUTEX_INITIALIZER; | |
30 | static pthread_barrier_t b; | |
31 | ||
32 | ||
33 | static void | |
34 | handler (int sig) | |
35 | { | |
36 | write (1, "handler called\n", 15); | |
37 | _exit (1); | |
38 | } | |
39 | ||
40 | ||
41 | static void * | |
42 | tf (void *a) | |
43 | { | |
44 | /* Block SIGUSR1. */ | |
45 | sigset_t ss; | |
46 | ||
47 | sigemptyset (&ss); | |
48 | sigaddset (&ss, SIGUSR1); | |
49 | if (pthread_sigmask (SIG_BLOCK, &ss, NULL) != 0) | |
50 | { | |
51 | puts ("child: sigmask failed"); | |
52 | exit (1); | |
53 | } | |
54 | ||
55 | if (pthread_mutex_lock (&m) != 0) | |
56 | { | |
57 | puts ("child: mutex_lock failed"); | |
58 | exit (1); | |
59 | } | |
60 | ||
61 | int e = pthread_barrier_wait (&b); | |
62 | if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) | |
63 | { | |
64 | puts ("child: barrier_wait failed"); | |
65 | exit (1); | |
66 | } | |
67 | ||
68 | /* Compute timeout. */ | |
69 | struct timeval tv; | |
70 | (void) gettimeofday (&tv, NULL); | |
71 | struct timespec ts; | |
72 | TIMEVAL_TO_TIMESPEC (&tv, &ts); | |
73 | /* Timeout: 1sec. */ | |
74 | ts.tv_sec += 1; | |
75 | ||
76 | /* This call should never return. */ | |
77 | if (pthread_cond_timedwait (&c, &m, &ts) != ETIMEDOUT) | |
78 | { | |
79 | puts ("cond_timedwait didn't time out"); | |
80 | exit (1); | |
81 | } | |
82 | ||
83 | return NULL; | |
84 | } | |
85 | ||
86 | ||
87 | int | |
88 | do_test (void) | |
89 | { | |
90 | pthread_t th; | |
91 | ||
92 | struct sigaction sa; | |
93 | sigemptyset (&sa.sa_mask); | |
94 | sa.sa_flags = 0; | |
95 | sa.sa_handler = handler; | |
96 | if (sigaction (SIGUSR1, &sa, NULL) != 0) | |
97 | { | |
98 | puts ("sigaction failed"); | |
99 | exit (1); | |
100 | } | |
101 | ||
102 | if (pthread_barrier_init (&b, NULL, 2) != 0) | |
103 | { | |
104 | puts ("barrier_init failed"); | |
105 | exit (1); | |
106 | } | |
107 | ||
108 | if (pthread_create (&th, NULL, tf, NULL) != 0) | |
109 | { | |
110 | puts ("create failed"); | |
111 | exit (1); | |
112 | } | |
113 | ||
114 | int e = pthread_barrier_wait (&b); | |
115 | if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) | |
116 | { | |
117 | puts ("barrier_wait failed"); | |
118 | exit (1); | |
119 | } | |
120 | ||
121 | if (pthread_mutex_lock (&m) != 0) | |
122 | { | |
123 | puts ("mutex_lock failed"); | |
124 | exit (1); | |
125 | } | |
126 | ||
127 | /* Send the thread a signal which it has blocked. */ | |
128 | if (pthread_kill (th, SIGUSR1) != 0) | |
129 | { | |
130 | puts ("kill failed"); | |
131 | exit (1); | |
132 | } | |
133 | ||
134 | if (pthread_mutex_unlock (&m) != 0) | |
135 | { | |
136 | puts ("mutex_unlock failed"); | |
137 | exit (1); | |
138 | } | |
139 | ||
140 | void *r; | |
141 | if (pthread_join (th, &r) != 0) | |
142 | { | |
143 | puts ("join failed"); | |
144 | exit (1); | |
145 | } | |
146 | if (r != NULL) | |
147 | { | |
148 | puts ("return value wrong"); | |
149 | exit (1); | |
150 | } | |
151 | ||
152 | return 0; | |
153 | } | |
154 | ||
155 | ||
156 | #define TIMEOUT 5 | |
157 | #define TEST_FUNCTION do_test () | |
158 | #include "../test-skeleton.c" |