nptl/tst-cancel11.c

   1 /* Copyright (C) 2003 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Ulrich Drepper <drepper@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 <string.h>
  25 #include <unistd.h>
  26
  27
  28 static pthread_barrier_t bar;
  29 static int fd[2];
  30
  31
  32 static void
  33 cleanup (void *arg)
  34 {
  35   static int ncall;
  36
  37   if (++ncall != 1)
  38     {
  39       puts ("second call to cleanup");
  40       exit (1);
  41     }
  42
  43   printf ("cleanup call #%d\n", ncall);
  44 }
  45
  46
  47 static void *
  48 tf (void *arg)
  49 {
  50   pthread_cleanup_push (cleanup, NULL);
  51
  52   int e = pthread_barrier_wait (&bar);
  53   if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
  54     {
  55       puts ("tf: 1st barrier_wait failed");
  56       exit (1);
  57     }
  58
  59   /* This call should block and be cancelable.  */
  60   char buf[20];
  61   read (fd[0], buf, sizeof (buf));
  62
  63   pthread_cleanup_pop (0);
  64
  65   return NULL;
  66 }
  67
  68
  69 static int
  70 do_test (void)
  71 {
  72   pthread_t th;
  73
  74   if (pthread_barrier_init (&bar, NULL, 2) != 0)
  75     {
  76       puts ("barrier_init failed");
  77       exit (1);
  78     }
  79
  80   if (pipe (fd) != 0)
  81     {
  82       puts ("pipe failed");
  83       exit (1);
  84     }
  85
  86   if (pthread_create (&th, NULL, tf, NULL) != 0)
  87     {
  88       puts ("create failed");
  89       exit (1);
  90     }
  91
  92   int e = pthread_barrier_wait (&bar);
  93   if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
  94     {
  95       puts ("1st barrier_wait failed");
  96       exit (1);
  97     }
  98
  99   if (pthread_cancel (th) != 0)
 100     {
 101       puts ("1st cancel failed");
 102       exit (1);
 103     }
 104
 105   void *r;
 106   if (pthread_join (th, &r) != 0)
 107     {
 108       puts ("join failed");
 109       exit (1);
 110     }
 111
 112   if (r != PTHREAD_CANCELED)
 113     {
 114       puts ("thread not canceled");
 115       exit (1);
 116     }
 117
 118   return 0;
 119 }
 120
 121
 122 #define TEST_FUNCTION do_test ()
 123 #include "../test-skeleton.c"