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Diffstat (limited to 'test/nptl/tst-sem5.c')
| -rw-r--r-- | test/nptl/tst-sem5.c | 80 | 
1 files changed, 80 insertions, 0 deletions
diff --git a/test/nptl/tst-sem5.c b/test/nptl/tst-sem5.c new file mode 100644 index 000000000..cb85b8e76 --- /dev/null +++ b/test/nptl/tst-sem5.c @@ -0,0 +1,80 @@ +/* Copyright (C) 2002, 2003 Free Software Foundation, Inc. +   This file is part of the GNU C Library. +   Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. + +   The GNU C Library is free software; you can redistribute it and/or +   modify it under the terms of the GNU Lesser General Public +   License as published by the Free Software Foundation; either +   version 2.1 of the License, or (at your option) any later version. + +   The GNU C Library is distributed in the hope that it will be useful, +   but WITHOUT ANY WARRANTY; without even the implied warranty of +   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU +   Lesser General Public License for more details. + +   You should have received a copy of the GNU Lesser General Public +   License along with the GNU C Library; if not, write to the Free +   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA +   02111-1307 USA.  */ + +#include <errno.h> +#include <semaphore.h> +#include <stdio.h> +#include <time.h> +#include <unistd.h> +#include <sys/time.h> + + +static int +do_test (void) +{ +  sem_t s; +  struct timespec ts; +  struct timeval tv; + +  if (sem_init (&s, 0, 1) == -1) +    { +      puts ("sem_init failed"); +      return 1; +    } + +  if (TEMP_FAILURE_RETRY (sem_wait (&s)) == -1) +    { +      puts ("sem_wait failed"); +      return 1; +    } + +  if (gettimeofday (&tv, NULL) != 0) +    { +      puts ("gettimeofday failed"); +      return 1; +    } + +  TIMEVAL_TO_TIMESPEC (&tv, &ts); + +  /* We wait for half a second.  */ +  ts.tv_nsec += 500000000; +  if (ts.tv_nsec >= 1000000000) +    { +      ++ts.tv_sec; +      ts.tv_nsec -= 1000000000; +    } + +  errno = 0; +  if (TEMP_FAILURE_RETRY (sem_timedwait (&s, &ts)) != -1) +    { +      puts ("sem_timedwait succeeded"); +      return 1; +    } +  if (errno != ETIMEDOUT) +    { +      printf ("sem_timedwait return errno = %d instead of ETIMEDOUT\n", +	      errno); +      return 1; +    } + +  return 0; +} + +#define TEST_FUNCTION do_test () +#include "../test-skeleton.c"  | 
