1  /* Copyright (C) 2003-2023 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"