sysdeps/pthread/tst-cond9.c

   1 /* Copyright (C) 2003-2024 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, see
  16    <https://www.gnu.org/licenses/>.  */
  17
  18 #include <errno.h>
  19 #include <pthread.h>
  20 #include <stdio.h>
  21 #include <stdlib.h>
  22 #include <time.h>
  23 #include <sys/time.h>
  24
  25
  26 static pthread_cond_t cond = PTHREAD_COND_INITIALIZER;
  27 static pthread_mutex_t mut = PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP;
  28
  29
  30 static void *
  31 tf (void *arg)
  32 {
  33   int err = pthread_cond_wait (&cond, &mut);
  34   if (err == 0)
  35     {
  36       puts ("cond_wait did not fail");
  37       exit (1);
  38     }
  39
  40   if (err != EPERM)
  41     {
  42       printf ("cond_wait didn't return EPERM but %d\n", err);
  43       exit (1);
  44     }
  45
  46
  47   /* Current time.  */
  48   struct timeval tv;
  49   (void) gettimeofday (&tv, NULL);
  50   /* +1000 seconds in correct format.  */
  51   struct timespec ts;
  52   TIMEVAL_TO_TIMESPEC (&tv, &ts);
  53   ts.tv_sec += 1000;
  54
  55   err = pthread_cond_timedwait (&cond, &mut, &ts);
  56   if (err == 0)
  57     {
  58       puts ("cond_timedwait did not fail");
  59       exit (1);
  60     }
  61
  62   if (err != EPERM)
  63     {
  64       printf ("cond_timedwait didn't return EPERM but %d\n", err);
  65       exit (1);
  66     }
  67
  68   return (void *) 1l;
  69 }
  70
  71
  72 static int
  73 do_test (void)
  74 {
  75   pthread_t th;
  76   int err;
  77
  78   printf ("&cond = %p\n&mut = %p\n", &cond, &mut);
  79
  80   err = pthread_cond_wait (&cond, &mut);
  81   if (err == 0)
  82     {
  83       puts ("cond_wait did not fail");
  84       exit (1);
  85     }
  86
  87   if (err != EPERM)
  88     {
  89       printf ("cond_wait didn't return EPERM but %d\n", err);
  90       exit (1);
  91     }
  92
  93
  94   /* Current time.  */
  95   struct timeval tv;
  96   (void) gettimeofday (&tv, NULL);
  97   /* +1000 seconds in correct format.  */
  98   struct timespec ts;
  99   TIMEVAL_TO_TIMESPEC (&tv, &ts);
 100   ts.tv_sec += 1000;
 101
 102   err = pthread_cond_timedwait (&cond, &mut, &ts);
 103   if (err == 0)
 104     {
 105       puts ("cond_timedwait did not fail");
 106       exit (1);
 107     }
 108
 109   if (err != EPERM)
 110     {
 111       printf ("cond_timedwait didn't return EPERM but %d\n", err);
 112       exit (1);
 113     }
 114
 115   if (pthread_mutex_lock (&mut) != 0)
 116     {
 117       puts ("parent: mutex_lock failed");
 118       exit (1);
 119     }
 120
 121   puts ("creating thread");
 122
 123   if (pthread_create (&th, NULL, tf, NULL) != 0)
 124     {
 125       puts ("create failed");
 126       exit (1);
 127     }
 128
 129   void *r;
 130   if (pthread_join (th, &r) != 0)
 131     {
 132       puts ("join failed");
 133       exit (1);
 134     }
 135   if (r != (void *) 1l)
 136     {
 137       puts ("thread has wrong return value");
 138       exit (1);
 139     }
 140
 141   puts ("done");
 142
 143   return 0;
 144 }
 145
 146
 147 #define TEST_FUNCTION do_test ()
 148 #include "../test-skeleton.c"