diff options
Diffstat (limited to 'test/nptl/tst-cancel2.c')
| -rw-r--r-- | test/nptl/tst-cancel2.c | 100 | 
1 files changed, 100 insertions, 0 deletions
| diff --git a/test/nptl/tst-cancel2.c b/test/nptl/tst-cancel2.c new file mode 100644 index 000000000..6d80f8ae5 --- /dev/null +++ b/test/nptl/tst-cancel2.c @@ -0,0 +1,100 @@ +/* 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 <pthread.h> +#include <signal.h> +#include <stdio.h> +#include <unistd.h> + + +static int fd[2]; + + +static void * +tf (void *arg) +{ +  /* The buffer size must be larger than the pipe size so that the +     write blocks.  */ +  char buf[100000]; + +  if (write (fd[1], buf, sizeof (buf)) == sizeof (buf)) +    { +      puts ("write succeeded"); +      return (void *) 1l; +    } + +  return (void *) 42l; +} + + +static int +do_test (void) +{ +  pthread_t th; +  void *r; +  struct sigaction sa; + +  sa.sa_handler = SIG_IGN; +  sigemptyset (&sa.sa_mask); +  sa.sa_flags = 0; + +  if (sigaction (SIGPIPE, &sa, NULL) != 0) +    { +      puts ("sigaction failed"); +      return 1; +    } + +  if (pipe (fd) != 0) +    { +      puts ("pipe failed"); +      return 1; +    } + +  if (pthread_create (&th, NULL, tf, NULL) != 0) +    { +      puts ("create failed"); +      return 1; +    } + +  if (pthread_cancel (th) != 0) +    { +      puts ("cancel failed"); +      return 1; +    } + +  /* This will cause the write in the child to return.  */ +  close (fd[0]); + +  if (pthread_join (th, &r) != 0) +    { +      puts ("join failed"); +      return 1; +    } + +  if (r != PTHREAD_CANCELED) +    { +      printf ("result is wrong: expected %p, got %p\n", PTHREAD_CANCELED, r); +      return 1; +    } + +  return 0; +} + +#define TEST_FUNCTION do_test () +#include "../test-skeleton.c" | 
