nptl/tst-kill3.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 <unistd.h>
  26 #include <sys/time.h>
  27
  28
  29 static pthread_cond_t c = PTHREAD_COND_INITIALIZER;
  30 static pthread_mutex_t m = PTHREAD_MUTEX_INITIALIZER;
  31 static pthread_barrier_t b;
  32
  33
  34 static void
  35 handler (int sig)
  36 {
  37   write (1, "handler called\n", 15);
  38   _exit (1);
  39 }
  40
  41
  42 static void *
  43 tf (void *a)
  44 {
  45   /* Block SIGUSR1.  */
  46   sigset_t ss;
  47
  48   sigemptyset (&ss);
  49   sigaddset (&ss, SIGUSR1);
  50   if (pthread_sigmask (SIG_BLOCK, &ss, NULL) != 0)
  51     {
  52       puts ("child: sigmask failed");
  53       exit (1);
  54     }
  55
  56   if (pthread_mutex_lock (&m) != 0)
  57     {
  58       puts ("child: mutex_lock failed");
  59       exit (1);
  60     }
  61
  62   int e = pthread_barrier_wait (&b);
  63   if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
  64     {
  65       puts ("child: barrier_wait failed");
  66       exit (1);
  67     }
  68
  69   /* Compute timeout.  */
  70   struct timeval tv;
  71   (void) gettimeofday (&tv, NULL);
  72   struct timespec ts;
  73   TIMEVAL_TO_TIMESPEC (&tv, &ts);
  74   /* Timeout: 1sec.  */
  75   ts.tv_sec += 1;
  76
  77   /* This call should never return.  */
  78   if (pthread_cond_timedwait (&c, &m, &ts) != ETIMEDOUT)
  79     {
  80       puts ("cond_timedwait didn't time out");
  81       exit (1);
  82     }
  83
  84   return NULL;
  85 }
  86
  87
  88 int
  89 do_test (void)
  90 {
  91   pthread_t th;
  92
  93   struct sigaction sa;
  94   sigemptyset (&sa.sa_mask);
  95   sa.sa_flags = 0;
  96   sa.sa_handler = handler;
  97   if (sigaction (SIGUSR1, &sa, NULL) != 0)
  98     {
  99       puts ("sigaction failed");
 100       exit (1);
 101     }
 102
 103   if (pthread_barrier_init (&b, NULL, 2) != 0)
 104     {
 105       puts ("barrier_init failed");
 106       exit (1);
 107     }
 108
 109   if (pthread_create (&th, NULL, tf, NULL) != 0)
 110     {
 111       puts ("create failed");
 112       exit (1);
 113     }
 114
 115   int e = pthread_barrier_wait (&b);
 116   if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
 117     {
 118       puts ("barrier_wait failed");
 119       exit (1);
 120     }
 121
 122   if (pthread_mutex_lock (&m) != 0)
 123     {
 124       puts ("mutex_lock failed");
 125       exit (1);
 126     }
 127
 128   /* Send the thread a signal which it has blocked.  */
 129   if (pthread_kill (th, SIGUSR1) != 0)
 130     {
 131       puts ("kill failed");
 132       exit (1);
 133     }
 134
 135   if (pthread_mutex_unlock (&m) != 0)
 136     {
 137       puts ("mutex_unlock failed");
 138       exit (1);
 139     }
 140
 141   void *r;
 142   if (pthread_join (th, &r) != 0)
 143     {
 144       puts ("join failed");
 145       exit (1);
 146     }
 147   if (r != NULL)
 148     {
 149       puts ("return value wrong");
 150       exit (1);
 151     }
 152
 153   return 0;
 154 }
 155
 156
 157 #define TIMEOUT 5
 158 #define TEST_FUNCTION do_test ()
 159 #include "../test-skeleton.c"