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Diffstat (limited to 'test/nptl/tst-cancel12.c')
| -rw-r--r-- | test/nptl/tst-cancel12.c | 127 | 
1 files changed, 127 insertions, 0 deletions
diff --git a/test/nptl/tst-cancel12.c b/test/nptl/tst-cancel12.c new file mode 100644 index 000000000..6fdf5cf5f --- /dev/null +++ b/test/nptl/tst-cancel12.c @@ -0,0 +1,127 @@ +/* Copyright (C) 2003 Free Software Foundation, Inc. +   This file is part of the GNU C Library. +   Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. + +   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 <semaphore.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + + +static pthread_barrier_t bar; +static sem_t sem; + + +static void +cleanup (void *arg) +{ +  static int ncall; + +  if (++ncall != 1) +    { +      puts ("second call to cleanup"); +      exit (1); +    } + +  printf ("cleanup call #%d\n", ncall); +} + + +static void * +tf (void *arg) +{ +  pthread_cleanup_push (cleanup, NULL); + +  int e = pthread_barrier_wait (&bar); +  if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) +    { +      puts ("tf: 1st barrier_wait failed"); +      exit (1); +    } + +  /* This call should block and be cancelable.  */ +  sem_wait (&sem); + +  pthread_cleanup_pop (0); + +  puts ("sem_wait returned"); + +  return NULL; +} + + +static int +do_test (void) +{ +  pthread_t th; + +  if (pthread_barrier_init (&bar, NULL, 2) != 0) +    { +      puts ("barrier_init failed"); +      exit (1); +    } + +  if (sem_init (&sem, 0, 1) != 0) +    { +      puts ("sem_init failed"); +      exit (1); +    } + +  if (pthread_create (&th, NULL, tf, NULL) != 0) +    { +      puts ("create failed"); +      exit (1); +    } + +  /* Check whether cancellation is honored even before sem_wait does +     anything.  */ +  if (pthread_cancel (th) != 0) +    { +      puts ("1st cancel failed"); +      exit (1); +    } + +  int e = pthread_barrier_wait (&bar); +  if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) +    { +      puts ("1st barrier_wait failed"); +      exit (1); +    } + +  void *r; +  if (pthread_join (th, &r) != 0) +    { +      puts ("join failed"); +      exit (1); +    } + +  if (r != PTHREAD_CANCELED) +    { +      puts ("thread not canceled"); +      exit (1); +    } + +  return 0; +} + + +#define TEST_FUNCTION do_test () +#include "../test-skeleton.c"  | 
