nptl/tst-kill2.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 <signal.h>
  23 #include <stdio.h>
  24 #include <stdlib.h>
  25 #include <sys/time.h>
  26
  27
  28 static pthread_cond_t c = PTHREAD_COND_INITIALIZER;
  29 static pthread_mutex_t m = PTHREAD_MUTEX_INITIALIZER;
  30 static pthread_barrier_t b;
  31
  32 static void *
  33 tf (void *a)
  34 {
  35   /* Block SIGUSR1.  */
  36   sigset_t ss;
  37
  38   sigemptyset (&ss);
  39   sigaddset (&ss, SIGUSR1);
  40   if (pthread_sigmask (SIG_BLOCK, &ss, NULL) != 0)
  41     {
  42       puts ("child: sigmask failed");
  43       exit (1);
  44     }
  45
  46   if (pthread_mutex_lock (&m) != 0)
  47     {
  48       puts ("child: mutex_lock failed");
  49       exit (1);
  50     }
  51
  52   int e = pthread_barrier_wait (&b);
  53   if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
  54     {
  55       puts ("child: barrier_wait failed");
  56       exit (1);
  57     }
  58
  59   /* Compute timeout.  */
  60   struct timeval tv;
  61   (void) gettimeofday (&tv, NULL);
  62   struct timespec ts;
  63   TIMEVAL_TO_TIMESPEC (&tv, &ts);
  64   /* Timeout: 1sec.  */
  65   ts.tv_sec += 1;
  66
  67   /* This call should never return.  */
  68   if (pthread_cond_timedwait (&c, &m, &ts) != ETIMEDOUT)
  69     {
  70       puts ("cond_timedwait didn't time out");
  71       exit (1);
  72     }
  73
  74   return NULL;
  75 }
  76
  77
  78 int
  79 do_test (void)
  80 {
  81   pthread_t th;
  82
  83   if (pthread_barrier_init (&b, NULL, 2) != 0)
  84     {
  85       puts ("barrier_init failed");
  86       exit (1);
  87     }
  88
  89   if (pthread_create (&th, NULL, tf, NULL) != 0)
  90     {
  91       puts ("create failed");
  92       exit (1);
  93     }
  94
  95   int e = pthread_barrier_wait (&b);
  96   if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
  97     {
  98       puts ("barrier_wait failed");
  99       exit (1);
 100     }
 101
 102   if (pthread_mutex_lock (&m) != 0)
 103     {
 104       puts ("mutex_lock failed");
 105       exit (1);
 106     }
 107
 108   /* Send the thread a signal which it has blocked.  */
 109   if (pthread_kill (th, SIGUSR1) != 0)
 110     {
 111       puts ("kill failed");
 112       exit (1);
 113     }
 114
 115   if (pthread_mutex_unlock (&m) != 0)
 116     {
 117       puts ("mutex_unlock failed");
 118       exit (1);
 119     }
 120
 121   void *r;
 122   if (pthread_join (th, &r) != 0)
 123     {
 124       puts ("join failed");
 125       exit (1);
 126     }
 127   if (r != NULL)
 128     {
 129       puts ("return value wrong");
 130       exit (1);
 131     }
 132
 133   return 0;
 134 }
 135
 136
 137 #define TIMEOUT 5
 138 #define TEST_FUNCTION do_test ()
 139 #include "../test-skeleton.c"