nptl/tst-join3.c

   1 /* Copyright (C) 2002-2017 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, see
  17    <http://www.gnu.org/licenses/>.  */
  18
  19 #include <errno.h>
  20 #include <pthread.h>
  21 #include <stdio.h>
  22 #include <stdlib.h>
  23 #include <string.h>
  24 #include <sys/time.h>
  25
  26
  27 static pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER;
  28
  29
  30 static void *
  31 tf (void *arg)
  32 {
  33   if (pthread_mutex_lock (&lock) != 0)
  34     {
  35       puts ("child: mutex_lock failed");
  36       return NULL;
  37     }
  38
  39   return (void *) 42l;
  40 }
  41
  42
  43 static int
  44 do_test (void)
  45 {
  46   pthread_t th;
  47
  48   if (pthread_mutex_lock (&lock) != 0)
  49     {
  50       puts ("mutex_lock failed");
  51       exit (1);
  52     }
  53
  54   if (pthread_create (&th, NULL, tf, NULL) != 0)
  55     {
  56       puts ("mutex_create failed");
  57       exit (1);
  58     }
  59
  60   void *status;
  61   struct timespec ts;
  62   struct timeval tv;
  63   (void) gettimeofday (&tv, NULL);
  64   TIMEVAL_TO_TIMESPEC (&tv, &ts);
  65   ts.tv_nsec += 200000000;
  66   if (ts.tv_nsec >= 1000000000)
  67     {
  68       ts.tv_nsec -= 1000000000;
  69       ++ts.tv_sec;
  70     }
  71   int val = pthread_timedjoin_np (th, &status, &ts);
  72   if (val == 0)
  73     {
  74       puts ("1st timedjoin succeeded");
  75       exit (1);
  76     }
  77   else if (val != ETIMEDOUT)
  78     {
  79       puts ("1st timedjoin didn't return ETIMEDOUT");
  80       exit (1);
  81     }
  82
  83   if (pthread_mutex_unlock (&lock) != 0)
  84     {
  85       puts ("mutex_unlock failed");
  86       exit (1);
  87     }
  88
  89   while (1)
  90     {
  91       (void) gettimeofday (&tv, NULL);
  92       TIMEVAL_TO_TIMESPEC (&tv, &ts);
  93       ts.tv_nsec += 200000000;
  94       if (ts.tv_nsec >= 1000000000)
  95         {
  96           ts.tv_nsec -= 1000000000;
  97           ++ts.tv_sec;
  98         }
  99
 100       val = pthread_timedjoin_np (th, &status, &ts);
 101       if (val == 0)
 102         break;
 103
 104       if (val != ETIMEDOUT)
 105         {
 106           printf ("timedjoin returned %s (%d), expected only 0 or ETIMEDOUT\n",
 107                   strerror (val), val);
 108           exit (1);
 109         }
 110     }
 111
 112   if (status != (void *) 42l)
 113     {
 114       printf ("return value %p, expected %p\n", status, (void *) 42l);
 115       exit (1);
 116     }
 117
 118   return 0;
 119 }
 120
 121 #define TEST_FUNCTION do_test ()
 122 #include "../test-skeleton.c"