* nis/nis_call.c: Include bits/libc-lock.h, sys/stat.h, unistd.h.
[glibc/history.git] / nptl / tst-mutex5.c
blob291274fee5083bb8b3543bfce30bc43ce54f45b2
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
18 02111-1307 USA. */
20 #include <errno.h>
21 #include <pthread.h>
22 #include <stdio.h>
23 #include <time.h>
24 #include <unistd.h>
25 #include <sys/time.h>
28 #ifndef TYPE
29 # define TYPE PTHREAD_MUTEX_NORMAL
30 #endif
33 static int
34 do_test (void)
36 pthread_mutex_t m;
37 struct timespec ts;
38 struct timeval tv;
39 struct timeval tv2;
40 int err;
41 pthread_mutexattr_t a;
43 if (pthread_mutexattr_init (&a) != 0)
45 puts ("mutexattr_init failed");
46 return 1;
49 if (pthread_mutexattr_settype (&a, TYPE) != 0)
51 puts ("mutexattr_settype failed");
52 return 1;
55 #ifdef ENABLE_PI
56 if (pthread_mutexattr_setprotocol (&a, PTHREAD_PRIO_INHERIT) != 0)
58 puts ("pthread_mutexattr_setprotocol failed");
59 return 1;
61 #endif
63 err = pthread_mutex_init (&m, &a);
64 if (err != 0)
66 #ifdef ENABLE_PI
67 if (err == ENOTSUP)
69 puts ("PI mutexes unsupported");
70 return 0;
72 #endif
73 puts ("mutex_init failed");
74 return 1;
77 if (pthread_mutexattr_destroy (&a) != 0)
79 puts ("mutexattr_destroy failed");
80 return 1;
83 if (pthread_mutex_lock (&m) != 0)
85 puts ("mutex_lock failed");
86 return 1;
89 if (pthread_mutex_trylock (&m) == 0)
91 puts ("mutex_trylock succeeded");
92 return 1;
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);
101 if (err == 0)
103 puts ("timedlock succeeded");
104 return 1;
106 else if (err != ETIMEDOUT)
108 printf ("timedlock error != ETIMEDOUT: %d\n", err);
109 return 1;
111 else
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;
119 if (tv2.tv_usec < 0)
121 tv2.tv_usec += 1000000;
122 tv2.tv_sec -= 1;
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;
130 ++tv2.tv_sec;
133 if (tv2.tv_sec < 2)
135 printf ("premature timeout: %ld.%06ld difference\n",
136 tv2.tv_sec, tv2.tv_usec);
137 return 1;
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);
149 if (err == 0)
151 puts ("2nd timedlock succeeded");
152 return 1;
154 else if (err != EINVAL)
156 printf ("2nd timedlock error != EINVAL: %d\n", err);
157 return 1;
160 if (pthread_mutex_unlock (&m) != 0)
162 puts ("mutex_unlock failed");
163 return 1;
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");
182 return 1;
185 if (pthread_mutex_unlock (&m) != 0)
187 puts ("final mutex_unlock failed");
188 return 1;
191 if (pthread_mutex_destroy (&m) != 0)
193 puts ("mutex_destroy failed");
194 return 1;
197 return 0;
200 #define TIMEOUT 4
201 #define TEST_FUNCTION do_test ()
202 #include "../test-skeleton.c"