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glibc  2.9
tst-sem2.c
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00001 /* Copyright (C) 2002 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 <errno.h>
00021 #include <semaphore.h>
00022 #include <signal.h>
00023 #include <stdio.h>
00024 #include <unistd.h>
00025 
00026 
00027 static int
00028 do_test (void)
00029 {
00030   sem_t s;
00031 
00032   if (sem_init (&s, 0, 0) == -1)
00033     {
00034       puts ("init failed");
00035       return 1;
00036     }
00037 
00038   /* Set an alarm for 1 second.  The wrapper will expect this.  */
00039   alarm (1);
00040 
00041   if (TEMP_FAILURE_RETRY (sem_wait (&s)) == -1)
00042     {
00043       puts ("wait failed");
00044       return 1;
00045     }
00046 
00047   /* We should never get here.  */
00048   puts ("wait succeeded");
00049   return 1;
00050 }
00051 
00052 #define EXPECTED_SIGNAL SIGALRM
00053 #define TEST_FUNCTION do_test ()
00054 #include "../test-skeleton.c"