1 /* Copyright (C) 2002 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
37 if (pthread_mutex_init (&m
, NULL
) != 0)
39 puts ("mutex_init failed");
43 if (pthread_mutex_lock (&m
) != 0)
45 puts ("mutex_lock failed");
49 if (pthread_mutex_trylock (&m
) == 0)
51 puts ("mutex_trylock succeeded");
55 gettimeofday (&tv
, NULL
);
56 TIMEVAL_TO_TIMESPEC (&tv
, &ts
);
58 ts
.tv_sec
+= 2; /* Wait 2 seconds. */
60 err
= pthread_mutex_timedlock (&m
, &ts
);
63 puts ("timed_lock succeeded");
66 else if (err
!= ETIMEDOUT
)
68 printf ("timed_lock error != ETIMEDOUT: %d\n", err
);
73 int clk_tck
= sysconf (_SC_CLK_TCK
);
75 gettimeofday (&tv2
, NULL
);
77 tv2
.tv_sec
-= tv
.tv_sec
;
78 tv2
.tv_usec
-= tv
.tv_usec
;
81 tv2
.tv_usec
+= 1000000;
85 /* Be a bit tolerant, add one CLK_TCK. */
86 tv2
.tv_usec
+= 1000000 / clk_tck
;
87 if (tv2
.tv_usec
>= 1000000)
89 tv2
.tv_usec
-= 1000000;
95 printf ("premature timeout: %ld.%06ld difference\n",
96 tv2
.tv_sec
, tv2
.tv_usec
);
101 if (pthread_mutex_unlock (&m
) != 0)
103 puts ("mutex_unlock failed");
107 if (pthread_mutex_destroy (&m
) != 0)
109 puts ("mutex_destroy failed");
117 #define TEST_FUNCTION do_test ()
118 #include "../test-skeleton.c"