diff options
Diffstat (limited to 'test/nptl/tst-join2.c')
| -rw-r--r-- | test/nptl/tst-join2.c | 104 | 
1 files changed, 104 insertions, 0 deletions
| diff --git a/test/nptl/tst-join2.c b/test/nptl/tst-join2.c new file mode 100644 index 000000000..2cfab8b0e --- /dev/null +++ b/test/nptl/tst-join2.c @@ -0,0 +1,104 @@ +/* Copyright (C) 2002 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 <pthread.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <time.h> + + +static pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER; + + +static void * +tf (void *arg) +{ +  if (pthread_mutex_lock (&lock) != 0) +    { +      puts ("child: mutex_lock failed"); +      return NULL; +    } + +  return (void *) 42l; +} + + +static int +do_test (void) +{ +  pthread_t th; + +  if (pthread_mutex_lock (&lock) != 0) +    { +      puts ("mutex_lock failed"); +      exit (1); +    } + +  if (pthread_create (&th, NULL, tf, NULL) != 0) +    { +      puts ("mutex_create failed"); +      exit (1); +    } + +  void *status; +  int val = pthread_tryjoin_np (th, &status); +  if (val == 0) +    { +      puts ("1st tryjoin succeeded"); +      exit (1); +    } +  else if (val != EBUSY) +    { +      puts ("1st tryjoin didn't return EBUSY"); +      exit (1); +    } + +  if (pthread_mutex_unlock (&lock) != 0) +    { +      puts ("mutex_unlock failed"); +      exit (1); +    } + +  while ((val = pthread_tryjoin_np (th, &status)) != 0) +    { +      if (val != EBUSY) +	{ +	  printf ("tryjoin returned %s (%d), expected only 0 or EBUSY\n", +		  strerror (val), val); +	  exit (1); +	} + +      /* Delay minimally.  */ +      struct timespec ts = { .tv_sec = 0, .tv_nsec = 10000000 }; +      nanosleep (&ts, NULL); +    } + +  if (status != (void *) 42l) +    { +      printf ("return value %p, expected %p\n", status, (void *) 42l); +      exit (1); +    } + +  return 0; +} + +#define TEST_FUNCTION do_test () +#include "../test-skeleton.c" | 
