nptl/tst-join3.c

   1 /* Copyright (C) 2002 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
   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 <sys/time.h>
  26
  27
  28 static pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER;
  29
  30
  31 static void *
  32 tf (void *arg)
  33 {
  34   if (pthread_mutex_lock (&lock) != 0)
  35     {
  36       puts ("child: mutex_lock failed");
  37       return NULL;
  38     }
  39
  40   return (void *) 42l;
  41 }
  42
  43
  44 static int
  45 do_test (void)
  46 {
  47   pthread_t th;
  48
  49   if (pthread_mutex_lock (&lock) != 0)
  50     {
  51       puts ("mutex_lock failed");
  52       exit (1);
  53     }
  54
  55   if (pthread_create (&th, NULL, tf, NULL) != 0)
  56     {
  57       puts ("mutex_create failed");
  58       exit (1);
  59     }
  60
  61   void *status;
  62   struct timespec ts;
  63   struct timeval tv;
  64   (void) gettimeofday (&tv, NULL);
  65   TIMEVAL_TO_TIMESPEC (&tv, &ts);
  66   ts.tv_nsec += 200000000;
  67   if (ts.tv_nsec >= 1000000000)
  68     {
  69       ts.tv_nsec -= 1000000000;
  70       ++ts.tv_sec;
  71     }
  72   int val = pthread_timedjoin_np (th, &status, &ts);
  73   if (val == 0)
  74     {
  75       puts ("1st timedjoin succeeded");
  76       exit (1);
  77     }
  78   else if (val != ETIMEDOUT)
  79     {
  80       puts ("1st timedjoin didn't return ETIMEDOUT");
  81       exit (1);
  82     }
  83
  84   if (pthread_mutex_unlock (&lock) != 0)
  85     {
  86       puts ("mutex_unlock failed");
  87       exit (1);
  88     }
  89
  90   while (1)
  91     {
  92       (void) gettimeofday (&tv, NULL);
  93       TIMEVAL_TO_TIMESPEC (&tv, &ts);
  94       ts.tv_nsec += 200000000;
  95       if (ts.tv_nsec >= 1000000000)
  96         {
  97           ts.tv_nsec -= 1000000000;
  98           ++ts.tv_sec;
  99         }
 100
 101       val = pthread_timedjoin_np (th, &status, &ts);
 102       if (val == 0)
 103         break;
 104
 105       if (val != ETIMEDOUT)
 106         {
 107           printf ("timedjoin returned %s (%d), expected only 0 or ETIMEDOUT\n",
 108                   strerror (val), val);
 109           exit (1);
 110         }
 111     }
 112
 113   if (status != (void *) 42l)
 114     {
 115       printf ("return value %p, expected %p\n", status, (void *) 42l);
 116       exit (1);
 117     }
 118
 119   return 0;
 120 }
 121
 122 #define TEST_FUNCTION do_test ()
 123 #include "../test-skeleton.c"