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glibc  2.9
tst-mutex6.c
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00001 /* Copyright (C) 2002, 2006 Free Software Foundation, Inc.
00002    This file is part of the GNU C Library.
00003    Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
00004 
00005    The GNU C Library is free software; you can redistribute it and/or
00006    modify it under the terms of the GNU Lesser General Public
00007    License as published by the Free Software Foundation; either
00008    version 2.1 of the License, or (at your option) any later version.
00009 
00010    The GNU C Library is distributed in the hope that it will be useful,
00011    but WITHOUT ANY WARRANTY; without even the implied warranty of
00012    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013    Lesser General Public License for more details.
00014 
00015    You should have received a copy of the GNU Lesser General Public
00016    License along with the GNU C Library; if not, write to the Free
00017    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00018    02111-1307 USA.  */
00019 
00020 #include <pthread.h>
00021 #include <signal.h>
00022 #include <stdio.h>
00023 #include <unistd.h>
00024 #include <errno.h>
00025 
00026 
00027 #ifndef ATTR
00028 # define ATTR NULL
00029 #endif
00030 
00031 
00032 static int
00033 do_test (void)
00034 {
00035   pthread_mutex_t m;
00036 
00037   int e = pthread_mutex_init (&m, ATTR);
00038   if (ATTR != NULL && e == ENOTSUP)
00039     {
00040       puts ("cannot support selected type of mutexes");
00041       e = pthread_mutex_init (&m, NULL);
00042     }
00043   if (e != 0)
00044     {
00045       puts ("mutex_init failed");
00046       return 1;
00047     }
00048 
00049   if (ATTR != NULL && pthread_mutexattr_destroy (ATTR) != 0)
00050     {
00051       puts ("mutexattr_destroy failed");
00052       return 1;
00053     }
00054 
00055   if (pthread_mutex_lock (&m) != 0)
00056     {
00057       puts ("1st mutex_lock failed");
00058       return 1;
00059     }
00060 
00061   /* Set an alarm for 1 second.  The wrapper will expect this.  */
00062   alarm (1);
00063 
00064   /* This call should never return.  */
00065   pthread_mutex_lock (&m);
00066 
00067   puts ("2nd mutex_lock returned");
00068   return 1;
00069 }
00070 
00071 #define EXPECTED_SIGNAL SIGALRM
00072 #ifndef TEST_FUNCTION
00073 # define TEST_FUNCTION do_test ()
00074 #endif
00075 #include "../test-skeleton.c"