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[glibc/history.git] / nptl / tst-cond15.c
blobe815e253b81dc061907265bcbe06e44df75e8bd9
1 /* Copyright (C) 2004 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@redhat.com>, 2004.
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 <stdio.h>
23 #include <stdlib.h>
24 #include <string.h>
25 #include <unistd.h>
26 #include <sys/time.h>
29 static pthread_cond_t cond = PTHREAD_COND_INITIALIZER;
30 static pthread_mutex_t mut = PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP;
31 static pthread_mutex_t mut2 = PTHREAD_MUTEX_INITIALIZER;
33 static void *
34 tf (void *p)
36 if (pthread_mutex_lock (&mut) != 0)
38 printf ("%s: 1st mutex_lock failed\n", __func__);
39 exit (1);
41 if (pthread_mutex_lock (&mut) != 0)
43 printf ("%s: 2nd mutex_lock failed\n", __func__);
44 exit (1);
46 if (pthread_mutex_lock (&mut) != 0)
48 printf ("%s: 3rd mutex_lock failed\n", __func__);
49 exit (1);
52 if (pthread_mutex_unlock (&mut2) != 0)
54 printf ("%s: mutex_unlock failed\n", __func__);
55 exit (1);
58 struct timeval tv;
59 gettimeofday (&tv, NULL);
60 struct timespec ts;
61 TIMEVAL_TO_TIMESPEC (&tv, &ts);
62 ts.tv_sec += p == NULL ? 100 : 1;
64 int err = pthread_cond_timedwait (&cond, &mut, &ts);
65 if ((err != 0 && p == NULL) || (err != ETIMEDOUT && p != NULL))
67 printf ("%s: cond_wait failed\n", __func__);
68 exit (1);
71 if (pthread_mutex_unlock (&mut) != 0)
73 printf ("%s: 1st mutex_unlock failed\n", __func__);
74 exit (1);
76 if (pthread_mutex_unlock (&mut) != 0)
78 printf ("%s: 2nd mutex_unlock failed\n", __func__);
79 exit (1);
81 if (pthread_mutex_unlock (&mut) != 0)
83 printf ("%s: 3rd mutex_unlock failed\n", __func__);
84 exit (1);
87 puts ("child: done");
89 return NULL;
93 static int
94 do_test (void)
96 if (pthread_mutex_lock (&mut2) != 0)
98 puts ("1st mutex_lock failed");
99 return 1;
102 puts ("parent: create 1st child");
104 pthread_t th;
105 int err = pthread_create (&th, NULL, tf, NULL);
106 if (err != 0)
108 printf ("parent: cannot 1st create thread: %s\n", strerror (err));
109 return 1;
112 /* We have to synchronize with the child. */
113 if (pthread_mutex_lock (&mut2) != 0)
115 puts ("2nd mutex_lock failed");
116 return 1;
119 /* Give the child to reach to pthread_cond_wait. */
120 sleep (1);
122 if (pthread_cond_signal (&cond) != 0)
124 puts ("cond_signal failed");
125 return 1;
128 err = pthread_join (th, NULL);
129 if (err != 0)
131 printf ("parent: failed to join: %s\n", strerror (err));
132 return 1;
136 puts ("parent: create 2nd child");
138 err = pthread_create (&th, NULL, tf, (void *) 1l);
139 if (err != 0)
141 printf ("parent: cannot 2nd create thread: %s\n", strerror (err));
142 return 1;
145 err = pthread_join (th, NULL);
146 if (err != 0)
148 printf ("parent: failed to join: %s\n", strerror (err));
149 return 1;
152 puts ("done");
154 return 0;
158 #define TEST_FUNCTION do_test ()
159 #define TIMEOUT 6
160 #include "../test-skeleton.c"