nptl/tst-cancel22.c

   1 /* Copyright (C) 2003 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Jakub Jelinek <jakub@redhat.com>, 2003.
   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 <errno.h>
  21 #include <pthread.h>
  22 #include <stdio.h>
  23 #include <stdlib.h>
  24 #include <unistd.h>
  25
  26 pthread_barrier_t b;
  27 int seen;
  28
  29 static void *
  30 tf (void *arg)
  31 {
  32   int old;
  33   int r = pthread_setcancelstate (PTHREAD_CANCEL_DISABLE, &old);
  34   if (r != 0)
  35     {
  36       puts ("setcancelstate failed");
  37       exit (1);
  38     }
  39
  40   r = pthread_barrier_wait (&b);
  41   if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
  42     {
  43       puts ("barrier_wait failed");
  44       exit (1);
  45     }
  46
  47   for (int i = 0; i < 10; ++i)
  48     {
  49       struct timespec ts = { .tv_sec = 0, .tv_nsec = 100000000 };
  50       TEMP_FAILURE_RETRY (nanosleep (&ts, &ts));
  51     }
  52
  53   seen = 1;
  54   pthread_setcancelstate (old, NULL);
  55
  56   struct timespec ts = { .tv_sec = 0, .tv_nsec = 100000000 };
  57   TEMP_FAILURE_RETRY (nanosleep (&ts, &ts));
  58
  59   exit (1);
  60 }
  61
  62
  63 static int
  64 do_test (void)
  65 {
  66   if (pthread_barrier_init (&b, NULL, 2) != 0)
  67    {
  68      puts ("barrier init failed");
  69      return 1;
  70    }
  71
  72   pthread_t th;
  73   if (pthread_create (&th, NULL, tf, NULL) != 0)
  74     {
  75       puts ("thread creation failed");
  76       return 1;
  77     }
  78
  79   int r = pthread_barrier_wait (&b);
  80   if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
  81     {
  82       puts ("barrier_wait failed");
  83       return 1;
  84     }
  85
  86   if (pthread_cancel (th) != 0)
  87     {
  88       puts ("cancel failed");
  89       return 1;
  90     }
  91
  92   void *status;
  93   if (pthread_join (th, &status) != 0)
  94     {
  95       puts ("join failed");
  96       return 1;
  97     }
  98   if (status != PTHREAD_CANCELED)
  99     {
 100       puts ("thread not canceled");
 101       return 1;
 102     }
 103
 104   if (pthread_barrier_destroy (&b) != 0)
 105     {
 106       puts ("barrier_destroy failed");
 107       return 1;
 108     }
 109
 110   if (seen != 1)
 111     {
 112       puts ("thread cancelled when PTHREAD_CANCEL_DISABLED");
 113       return 1;
 114     }
 115
 116   return 0;
 117 }
 118
 119 #define TIMEOUT 5
 120 #define TEST_FUNCTION do_test ()
 121 #include "../test-skeleton.c"