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[glibc.git] / nptl / tst-eintr2.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 <string.h>
26 #include <sys/time.h>
28 #include "eintr.c"
31 static pthread_mutex_t m1 = PTHREAD_MUTEX_INITIALIZER;
32 static pthread_mutex_t m2 = PTHREAD_MUTEX_INITIALIZER;
35 static void *
36 tf1 (void *arg)
38 struct timespec ts;
39 struct timeval tv;
41 gettimeofday (&tv, NULL);
42 TIMEVAL_TO_TIMESPEC (&tv, &ts);
43 ts.tv_sec += 10000;
45 /* This call must never return. */
46 int e = pthread_mutex_timedlock (&m1, &ts);
47 char buf[100];
48 printf ("tf1: mutex_timedlock returned: %s\n",
49 strerror_r (e, buf, sizeof (buf)));
51 exit (1);
55 static void *
56 tf2 (void *arg)
58 while (1)
60 int e = pthread_mutex_lock (&m2);
61 if (e != 0)
63 puts ("tf2: mutex_lock failed");
64 exit (1);
66 e = pthread_mutex_unlock (&m2);
67 if (e != 0)
69 puts ("tf2: mutex_unlock failed");
70 exit (1);
72 struct timespec ts = { .tv_sec = 0, .tv_nsec = 10000000 };
73 nanosleep (&ts, NULL);
78 static int
79 do_test (void)
81 if (pthread_mutex_lock (&m1) != 0)
83 puts ("mutex_lock failed");
84 exit (1);
87 setup_eintr (SIGUSR1, NULL);
89 pthread_t th;
90 char buf[100];
91 int e = pthread_create (&th, NULL, tf1, NULL);
92 if (e != 0)
94 printf ("main: 1st pthread_create failed: %s\n",
95 strerror_r (e, buf, sizeof (buf)));
96 exit (1);
99 e = pthread_create (&th, NULL, tf2, NULL);
100 if (e != 0)
102 printf ("main: 2nd pthread_create failed: %s\n",
103 strerror_r (e, buf, sizeof (buf)));
104 exit (1);
107 /* This call must never return. */
108 e = pthread_mutex_lock (&m1);
109 printf ("main: mutex_lock returned: %s\n",
110 strerror_r (e, buf, sizeof (buf)));
112 return 0;
115 #define EXPECTED_SIGNAL SIGALRM
116 #define TIMEOUT 3
117 #define TEST_FUNCTION do_test ()
118 #include "../test-skeleton.c"