linuxthreads/tst-cancel6.c

   1 /* Copyright (C) 2002 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, write to the Free
  17    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  18    02111-1307 USA.  */
  19
  20 #include <pthread.h>
  21 #include <stdio.h>
  22 #include <stdlib.h>
  23 #include <unistd.h>
  24
  25
  26 static void *
  27 tf (void *arg)
  28 {
  29   char buf[100];
  30   fgets (buf, sizeof (buf), arg);
  31   /* This call should never return.  */
  32   return NULL;
  33 }
  34
  35
  36 static int
  37 do_test (void)
  38 {
  39   int fd[2];
  40   if (pipe (fd) != 0)
  41     {
  42       puts ("pipe failed");
  43       return 1;
  44     }
  45
  46   FILE *fp = fdopen (fd[0], "r");
  47   if (fp == NULL)
  48     {
  49       puts ("fdopen failed");
  50       return 1;
  51     }
  52
  53   pthread_t th;
  54   if (pthread_create (&th, NULL, tf, fp) != 0)
  55     {
  56       puts ("pthread_create failed");
  57       return 1;
  58     }
  59
  60   sleep (1);
  61
  62   if (pthread_cancel (th) != 0)
  63     {
  64       puts ("pthread_cancel failed");
  65       return 1;
  66     }
  67
  68   void *r;
  69   if (pthread_join (th, &r) != 0)
  70     {
  71       puts ("pthread_join failed");
  72       return 1;
  73     }
  74
  75   return r != PTHREAD_CANCELED;
  76 }
  77
  78 #define TEST_FUNCTION do_test ()
  79 #include "../test-skeleton.c"