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Diffstat (limited to 'test/nptl/tst-mutex7.c')
| -rw-r--r-- | test/nptl/tst-mutex7.c | 121 | 
1 files changed, 121 insertions, 0 deletions
diff --git a/test/nptl/tst-mutex7.c b/test/nptl/tst-mutex7.c new file mode 100644 index 000000000..a9b9f318c --- /dev/null +++ b/test/nptl/tst-mutex7.c @@ -0,0 +1,121 @@ +/* Copyright (C) 2002, 2004 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 <pthread.h> +#include <stdio.h> +#include <time.h> + + +#ifndef INIT +# define INIT PTHREAD_MUTEX_INITIALIZER +#endif + + +static pthread_mutex_t lock = INIT; + + +#define ROUNDS 1000 +#define N 100 + + +static void * +tf (void *arg) +{ +  int nr = (long int) arg; +  int cnt; +  struct timespec ts = { .tv_sec = 0, .tv_nsec = 11000 }; + +  for (cnt = 0; cnt < ROUNDS; ++cnt) +    { +      if (pthread_mutex_lock (&lock) != 0) +	{ +	  printf ("thread %d: failed to get the lock\n", nr); +	  return (void *) 1l; +	} + +      if (pthread_mutex_unlock (&lock) != 0) +	{ +	  printf ("thread %d: failed to release the lock\n", nr); +	  return (void *) 1l; +	} + +      nanosleep (&ts, NULL); +    } + +  return NULL; +} + + +static int +do_test (void) +{ +  pthread_attr_t at; +  pthread_t th[N]; +  int cnt; + +  if (pthread_attr_init (&at) != 0) +    { +      puts ("attr_init failed"); +      return 1; +    } + +  if (pthread_attr_setstacksize (&at, 1 * 1024 * 1024) != 0) +    { +      puts ("attr_setstacksize failed"); +      return 1; +    } + +  if (pthread_mutex_lock (&lock) != 0) +    { +      puts ("locking in parent failed"); +      return 1; +    } + +  for (cnt = 0; cnt < N; ++cnt) +    if (pthread_create (&th[cnt], &at, tf, (void *) (long int) cnt) != 0) +      { +	printf ("creating thread %d failed\n", cnt); +	return 1; +      } + +  if (pthread_attr_destroy (&at) != 0) +    { +      puts ("attr_destroy failed"); +      return 1; +    } + +  if (pthread_mutex_unlock (&lock) != 0) +    { +      puts ("unlocking in parent failed"); +      return 1; +    } + +  for (cnt = 0; cnt < N; ++cnt) +    if (pthread_join (th[cnt], NULL) != 0) +      { +	printf ("joining thread %d failed\n", cnt); +	return 1; +      } + +  return 0; +} + +#define TIMEOUT 60 +#define TEST_FUNCTION do_test () +#include "../test-skeleton.c"  | 
