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[glibc/history.git] / nptl / tst-kill3.c
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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.
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.
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.
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. */
20 #include <errno.h>
21 #include <pthread.h>
22 #include <signal.h>
23 #include <stdio.h>
24 #include <stdlib.h>
25 #include <unistd.h>
26 #include <sys/time.h>
29 static pthread_cond_t c = PTHREAD_COND_INITIALIZER;
30 static pthread_mutex_t m = PTHREAD_MUTEX_INITIALIZER;
31 static pthread_barrier_t b;
34 static void
35 handler (int sig)
37 write (1, "handler called\n", 15);
38 _exit (1);
42 static void *
43 tf (void *a)
45 /* Block SIGUSR1. */
46 sigset_t ss;
48 sigemptyset (&ss);
49 sigaddset (&ss, SIGUSR1);
50 if (pthread_sigmask (SIG_BLOCK, &ss, NULL) != 0)
52 puts ("child: sigmask failed");
53 exit (1);
56 if (pthread_mutex_lock (&m) != 0)
58 puts ("child: mutex_lock failed");
59 exit (1);
62 int e = pthread_barrier_wait (&b);
63 if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
65 puts ("child: barrier_wait failed");
66 exit (1);
69 /* Compute timeout. */
70 struct timeval tv;
71 (void) gettimeofday (&tv, NULL);
72 struct timespec ts;
73 TIMEVAL_TO_TIMESPEC (&tv, &ts);
74 /* Timeout: 1sec. */
75 ts.tv_sec += 1;
77 /* This call should never return. */
78 if (pthread_cond_timedwait (&c, &m, &ts) != ETIMEDOUT)
80 puts ("cond_timedwait didn't time out");
81 exit (1);
84 return NULL;
88 int
89 do_test (void)
91 pthread_t th;
93 struct sigaction sa;
94 sigemptyset (&sa.sa_mask);
95 sa.sa_flags = 0;
96 sa.sa_handler = handler;
97 if (sigaction (SIGUSR1, &sa, NULL) != 0)
99 puts ("sigaction failed");
100 exit (1);
103 if (pthread_barrier_init (&b, NULL, 2) != 0)
105 puts ("barrier_init failed");
106 exit (1);
109 if (pthread_create (&th, NULL, tf, NULL) != 0)
111 puts ("create failed");
112 exit (1);
115 int e = pthread_barrier_wait (&b);
116 if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
118 puts ("barrier_wait failed");
119 exit (1);
122 if (pthread_mutex_lock (&m) != 0)
124 puts ("mutex_lock failed");
125 exit (1);
128 /* Send the thread a signal which it has blocked. */
129 if (pthread_kill (th, SIGUSR1) != 0)
131 puts ("kill failed");
132 exit (1);
135 if (pthread_mutex_unlock (&m) != 0)
137 puts ("mutex_unlock failed");
138 exit (1);
141 void *r;
142 if (pthread_join (th, &r) != 0)
144 puts ("join failed");
145 exit (1);
147 if (r != NULL)
149 puts ("return value wrong");
150 exit (1);
153 return 0;
157 #define TIMEOUT 5
158 #define TEST_FUNCTION do_test ()
159 #include "../test-skeleton.c"