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[glibc/history.git] / nptl / tst-kill2.c
blob1e3dc41041a4e6f10c9cee0ead94af18bf942aba
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 <sys/time.h>
28 static pthread_cond_t c = PTHREAD_COND_INITIALIZER;
29 static pthread_mutex_t m = PTHREAD_MUTEX_INITIALIZER;
30 static pthread_barrier_t b;
32 static void *
33 tf (void *a)
35 /* Block SIGUSR1. */
36 sigset_t ss;
38 sigemptyset (&ss);
39 sigaddset (&ss, SIGUSR1);
40 if (pthread_sigmask (SIG_BLOCK, &ss, NULL) != 0)
42 puts ("child: sigmask failed");
43 exit (1);
46 if (pthread_mutex_lock (&m) != 0)
48 puts ("child: mutex_lock failed");
49 exit (1);
52 int e = pthread_barrier_wait (&b);
53 if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
55 puts ("child: barrier_wait failed");
56 exit (1);
59 /* Compute timeout. */
60 struct timeval tv;
61 (void) gettimeofday (&tv, NULL);
62 struct timespec ts;
63 TIMEVAL_TO_TIMESPEC (&tv, &ts);
64 /* Timeout: 1sec. */
65 ts.tv_sec += 1;
67 /* This call should never return. */
68 if (pthread_cond_timedwait (&c, &m, &ts) != ETIMEDOUT)
70 puts ("cond_timedwait didn't time out");
71 exit (1);
74 return NULL;
78 int
79 do_test (void)
81 pthread_t th;
83 if (pthread_barrier_init (&b, NULL, 2) != 0)
85 puts ("barrier_init failed");
86 exit (1);
89 if (pthread_create (&th, NULL, tf, NULL) != 0)
91 puts ("create failed");
92 exit (1);
95 int e = pthread_barrier_wait (&b);
96 if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
98 puts ("barrier_wait failed");
99 exit (1);
102 if (pthread_mutex_lock (&m) != 0)
104 puts ("mutex_lock failed");
105 exit (1);
108 /* Send the thread a signal which it has blocked. */
109 if (pthread_kill (th, SIGUSR1) != 0)
111 puts ("kill failed");
112 exit (1);
115 if (pthread_mutex_unlock (&m) != 0)
117 puts ("mutex_unlock failed");
118 exit (1);
121 void *r;
122 if (pthread_join (th, &r) != 0)
124 puts ("join failed");
125 exit (1);
127 if (r != NULL)
129 puts ("return value wrong");
130 exit (1);
133 return 0;
137 #define TIMEOUT 5
138 #define TEST_FUNCTION do_test ()
139 #include "../test-skeleton.c"