nptl/tst-cond9.c

   1 /* Copyright (C) 2003-2018 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 <errno.h>
  20 #include <pthread.h>
  21 #include <stdio.h>
  22 #include <stdlib.h>
  23 #include <time.h>
  24 #include <sys/time.h>
  25
  26
  27 static pthread_cond_t cond = PTHREAD_COND_INITIALIZER;
  28 static pthread_mutex_t mut = PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP;
  29
  30
  31 static void *
  32 tf (void *arg)
  33 {
  34   int err = pthread_cond_wait (&cond, &mut);
  35   if (err == 0)
  36     {
  37       puts ("cond_wait did not fail");
  38       exit (1);
  39     }
  40
  41   if (err != EPERM)
  42     {
  43       printf ("cond_wait didn't return EPERM but %d\n", err);
  44       exit (1);
  45     }
  46
  47
  48   /* Current time.  */
  49   struct timeval tv;
  50   (void) gettimeofday (&tv, NULL);
  51   /* +1000 seconds in correct format.  */
  52   struct timespec ts;
  53   TIMEVAL_TO_TIMESPEC (&tv, &ts);
  54   ts.tv_sec += 1000;
  55
  56   err = pthread_cond_timedwait (&cond, &mut, &ts);
  57   if (err == 0)
  58     {
  59       puts ("cond_timedwait did not fail");
  60       exit (1);
  61     }
  62
  63   if (err != EPERM)
  64     {
  65       printf ("cond_timedwait didn't return EPERM but %d\n", err);
  66       exit (1);
  67     }
  68
  69   return (void *) 1l;
  70 }
  71
  72
  73 static int
  74 do_test (void)
  75 {
  76   pthread_t th;
  77   int err;
  78
  79   printf ("&cond = %p\n&mut = %p\n", &cond, &mut);
  80
  81   err = pthread_cond_wait (&cond, &mut);
  82   if (err == 0)
  83     {
  84       puts ("cond_wait did not fail");
  85       exit (1);
  86     }
  87
  88   if (err != EPERM)
  89     {
  90       printf ("cond_wait didn't return EPERM but %d\n", err);
  91       exit (1);
  92     }
  93
  94
  95   /* Current time.  */
  96   struct timeval tv;
  97   (void) gettimeofday (&tv, NULL);
  98   /* +1000 seconds in correct format.  */
  99   struct timespec ts;
 100   TIMEVAL_TO_TIMESPEC (&tv, &ts);
 101   ts.tv_sec += 1000;
 102
 103   err = pthread_cond_timedwait (&cond, &mut, &ts);
 104   if (err == 0)
 105     {
 106       puts ("cond_timedwait did not fail");
 107       exit (1);
 108     }
 109
 110   if (err != EPERM)
 111     {
 112       printf ("cond_timedwait didn't return EPERM but %d\n", err);
 113       exit (1);
 114     }
 115
 116   if (pthread_mutex_lock (&mut) != 0)
 117     {
 118       puts ("parent: mutex_lock failed");
 119       exit (1);
 120     }
 121
 122   puts ("creating thread");
 123
 124   if (pthread_create (&th, NULL, tf, NULL) != 0)
 125     {
 126       puts ("create failed");
 127       exit (1);
 128     }
 129
 130   void *r;
 131   if (pthread_join (th, &r) != 0)
 132     {
 133       puts ("join failed");
 134       exit (1);
 135     }
 136   if (r != (void *) 1l)
 137     {
 138       puts ("thread has wrong return value");
 139       exit (1);
 140     }
 141
 142   puts ("done");
 143
 144   return 0;
 145 }
 146
 147
 148 #define TEST_FUNCTION do_test ()
 149 #include "../test-skeleton.c"