nptl/tst-cancel6.c

   1 /* Copyright (C) 2002-2017 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, see
  17    <http://www.gnu.org/licenses/>.  */
  18
  19 #include <pthread.h>
  20 #include <stdio.h>
  21 #include <stdlib.h>
  22 #include <unistd.h>
  23
  24
  25 static void *
  26 tf (void *arg)
  27 {
  28   char buf[100];
  29   fgets (buf, sizeof (buf), arg);
  30   /* This call should never return.  */
  31   return NULL;
  32 }
  33
  34
  35 static int
  36 do_test (void)
  37 {
  38   int fd[2];
  39   if (pipe (fd) != 0)
  40     {
  41       puts ("pipe failed");
  42       return 1;
  43     }
  44
  45   FILE *fp = fdopen (fd[0], "r");
  46   if (fp == NULL)
  47     {
  48       puts ("fdopen failed");
  49       return 1;
  50     }
  51
  52   pthread_t th;
  53   if (pthread_create (&th, NULL, tf, fp) != 0)
  54     {
  55       puts ("pthread_create failed");
  56       return 1;
  57     }
  58
  59   sleep (1);
  60
  61   if (pthread_cancel (th) != 0)
  62     {
  63       puts ("pthread_cancel failed");
  64       return 1;
  65     }
  66
  67   void *r;
  68   if (pthread_join (th, &r) != 0)
  69     {
  70       puts ("pthread_join failed");
  71       return 1;
  72     }
  73
  74   return r != PTHREAD_CANCELED;
  75 }
  76
  77 #define TEST_FUNCTION do_test ()
  78 #include "../test-skeleton.c"