nptl/tst-kill1.c

   1 /* Copyright (C) 2003-2016 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, see
  17    <http://www.gnu.org/licenses/>.  */
  18
  19 #include <pthread.h>
  20 #include <signal.h>
  21 #include <stdio.h>
  22 #include <stdlib.h>
  23
  24
  25 static pthread_cond_t c = PTHREAD_COND_INITIALIZER;
  26 static pthread_mutex_t m = PTHREAD_MUTEX_INITIALIZER;
  27 static pthread_barrier_t b;
  28
  29 static void *
  30 tf (void *a)
  31 {
  32   if (pthread_mutex_lock (&m) != 0)
  33     {
  34       puts ("child: mutex_lock failed");
  35       exit (1);
  36     }
  37
  38   int e = pthread_barrier_wait (&b);
  39   if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
  40     {
  41       puts ("child: barrier_wait failed");
  42       exit (1);
  43     }
  44
  45   /* This call should never return.  */
  46   pthread_cond_wait (&c, &m);
  47
  48   return NULL;
  49 }
  50
  51
  52 int
  53 do_test (void)
  54 {
  55   pthread_t th;
  56
  57   if (pthread_barrier_init (&b, NULL, 2) != 0)
  58     {
  59       puts ("barrier_init failed");
  60       exit (1);
  61     }
  62
  63   if (pthread_create (&th, NULL, tf, NULL) != 0)
  64     {
  65       puts ("create failed");
  66       exit (1);
  67     }
  68
  69   int e = pthread_barrier_wait (&b);
  70   if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
  71     {
  72       puts ("barrier_wait failed");
  73       exit (1);
  74     }
  75
  76   if (pthread_mutex_lock (&m) != 0)
  77     {
  78       puts ("mutex_lock failed");
  79       exit (1);
  80     }
  81
  82   /* Send the thread a signal which it doesn't catch and which will
  83      cause the process to terminate.  */
  84   if (pthread_kill (th, SIGUSR1) != 0)
  85     {
  86       puts ("kill failed");
  87       exit (1);
  88     }
  89
  90   /* This call should never return.  */
  91   pthread_join (th, NULL);
  92
  93   return 0;
  94 }
  95
  96
  97 #define EXPECTED_SIGNAL SIGUSR1
  98 #define TEST_FUNCTION do_test ()
  99 #include "../test-skeleton.c"