1 /* Copyright (C) 2002, 2003, 2004, 2006 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
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
29 # define TYPE PTHREAD_MUTEX_NORMAL
41 pthread_mutexattr_t a;
43 if (pthread_mutexattr_init (&a) != 0)
45 puts ("mutexattr_init failed");
49 if (pthread_mutexattr_settype (&a, TYPE) != 0)
51 puts ("mutexattr_settype failed");
56 if (pthread_mutexattr_setprotocol (&a, PTHREAD_PRIO_INHERIT) != 0)
58 puts ("pthread_mutexattr_setprotocol failed");
63 err = pthread_mutex_init (&m, &a);
69 puts ("PI mutexes unsupported");
73 puts ("mutex_init failed");
77 if (pthread_mutexattr_destroy (&a) != 0)
79 puts ("mutexattr_destroy failed");
83 if (pthread_mutex_lock (&m) != 0)
85 puts ("mutex_lock failed");
89 if (pthread_mutex_trylock (&m) == 0)
91 puts ("mutex_trylock succeeded");
95 gettimeofday (&tv, NULL);
96 TIMEVAL_TO_TIMESPEC (&tv, &ts);
98 ts.tv_sec += 2; /* Wait 2 seconds. */
100 err = pthread_mutex_timedlock (&m, &ts);
103 puts ("timedlock succeeded");
106 else if (err != ETIMEDOUT)
108 printf ("timedlock error != ETIMEDOUT: %d\n", err);
113 int clk_tck = sysconf (_SC_CLK_TCK);
115 gettimeofday (&tv2, NULL);
117 tv2.tv_sec -= tv.tv_sec;
118 tv2.tv_usec -= tv.tv_usec;
121 tv2.tv_usec += 1000000;
125 /* Be a bit tolerant, add one CLK_TCK. */
126 tv2.tv_usec += 1000000 / clk_tck;
127 if (tv2.tv_usec >= 1000000)
129 tv2.tv_usec -= 1000000;
135 printf ("premature timeout: %ld.%06ld difference\n",
136 tv2.tv_sec, tv2.tv_usec);
141 (void) gettimeofday (&tv, NULL);
142 TIMEVAL_TO_TIMESPEC (&tv, &ts);
144 ts.tv_sec += 2; /* Wait 2 seconds. */
145 /* The following makes the ts value invalid. */
146 ts.tv_nsec += 1000000000;
148 err = pthread_mutex_timedlock (&m, &ts);
151 puts ("2nd timedlock succeeded");
154 else if (err != EINVAL)
156 printf ("2nd timedlock error != EINVAL: %d\n", err);
160 if (pthread_mutex_unlock (&m) != 0)
162 puts ("mutex_unlock failed");
166 (void) gettimeofday (&tv, NULL);
167 TIMEVAL_TO_TIMESPEC (&tv, &ts);
169 ts.tv_sec += 2; /* Wait 2 seconds. */
170 if (pthread_mutex_timedlock (&m, &ts) != 0)
172 puts ("3rd timedlock failed");
175 (void) gettimeofday (&tv2, NULL);
177 /* Check that timedlock didn't delay. We use a limit of 0.1 secs. */
178 timersub (&tv2, &tv, &tv2);
179 if (tv2.tv_sec > 0 || tv2.tv_usec > 100000)
181 puts ("3rd timedlock didn't return right away");
185 if (pthread_mutex_unlock (&m) != 0)
187 puts ("final mutex_unlock failed");
191 if (pthread_mutex_destroy (&m) != 0)
193 puts ("mutex_destroy failed");
201 #define TEST_FUNCTION do_test ()
202 #include "../test-skeleton.c"