diff options
Diffstat (limited to 'test/nptl/tst-once3.c')
| -rw-r--r-- | test/nptl/tst-once3.c | 162 | 
1 files changed, 162 insertions, 0 deletions
| diff --git a/test/nptl/tst-once3.c b/test/nptl/tst-once3.c new file mode 100644 index 000000000..43b354a39 --- /dev/null +++ b/test/nptl/tst-once3.c @@ -0,0 +1,162 @@ +/* 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 <pthread.h> +#include <stdio.h> +#include <stdlib.h> +#include <time.h> + + +#define N 100 + +static pthread_once_t once = PTHREAD_ONCE_INIT; + +static pthread_cond_t cond = PTHREAD_COND_INITIALIZER; +static pthread_mutex_t mut = PTHREAD_MUTEX_INITIALIZER; + +static pthread_barrier_t bar; + +static int global; +static int cl_called; + +static void +once_handler1 (void) +{ +  if (pthread_mutex_lock (&mut) != 0) +    { +      puts ("once_handler1: mutex_lock failed"); +      exit (1); +    } +  puts ("once_handler1: locked"); + +  int r = pthread_barrier_wait (&bar); +  if (r != 0 && r!= PTHREAD_BARRIER_SERIAL_THREAD) +    { +      puts ("once_handler1: barrier_wait failed"); +      exit (1); +    } + +  pthread_cond_wait (&cond, &mut); + +  /* We should never get here.  */ +  exit (42); +} + +static void +once_handler2 (void) +{ +  global = 1; +} + + +static void +cl (void *arg) +{ +  cl_called = 1; +} + + +static void * +tf (void *arg) +{ +  pthread_cleanup_push (cl, NULL) + +  pthread_once (&once, once_handler1); + +  pthread_cleanup_pop (0); + +  /* We should never get here.  */ +  puts ("pthread_once in tf returned"); +  exit (1); +} + + +static int +do_test (void) +{ +  pthread_t th; + +  if (pthread_barrier_init (&bar, NULL, 2) != 0) +    { +      puts ("barrier_init failed"); +      return 1; +    } + +  if (pthread_create (&th, NULL, tf, NULL) != 0) +    { +      puts ("first create failed"); +      return 1; +    } + +  int r = pthread_barrier_wait (&bar); +  if (r != 0 && r!= PTHREAD_BARRIER_SERIAL_THREAD) +    { +      puts ("barrier_wait failed"); +      return 1; +    } + +  if (pthread_mutex_lock (&mut) != 0) +    { +      puts ("mutex_lock failed"); +      return 1; +    } +  /* We unlock the mutex so that we catch the case where the pthread_cond_wait +     call incorrectly resumes and tries to get the mutex.  */ +  if (pthread_mutex_unlock (&mut) != 0) +    { +      puts ("mutex_unlock failed"); +      return 1; +    } + +  /* Cancel the thread.  */ +  puts ("going to cancel"); +  if (pthread_cancel (th) != 0) +    { +      puts ("cancel failed"); +      return 1; +    } + +  void *result; +  pthread_join (th, &result); +  if (result != PTHREAD_CANCELED) +    { +      puts ("join didn't return PTHREAD_CANCELED"); +      return 1; +    } + +  if (cl_called != 1) +    { +      puts ("cleanup handler not called"); +      return 1; +    } + +  pthread_once (&once, once_handler2); + +  if (global != 1) +    { +      puts ("global still 0"); +      return 1; +    } + +  return 0; +} + +#define TEST_FUNCTION do_test () +#define TIMEOUT 4 +#include "../test-skeleton.c" | 
