1  /* Copyright (C) 2004-2023 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 <support/check.h>
      24  #include <support/xthread.h>
      25  #include <support/xtime.h>
      26  
      27  
      28  static pthread_barrier_t b;
      29  static pthread_rwlock_t r = PTHREAD_RWLOCK_INITIALIZER;
      30  
      31  
      32  static void *
      33  tf (void *arg)
      34  {
      35    /* Lock the read-write lock.  */
      36    TEST_COMPARE (pthread_rwlock_wrlock (&r), 0);
      37  
      38    pthread_t mt = *(pthread_t *) arg;
      39  
      40    xpthread_barrier_wait (&b);
      41  
      42    /* This call will never return.  */
      43    xpthread_join (mt);
      44  
      45    return NULL;
      46  }
      47  
      48  
      49  static int
      50  do_test (void)
      51  {
      52    struct timespec ts;
      53  
      54    xclock_gettime (CLOCK_REALTIME, &ts);
      55    xpthread_barrier_init (&b, NULL, 2);
      56  
      57    pthread_t me = pthread_self ();
      58    xpthread_create (NULL, tf, &me);
      59  
      60    /* Wait until the rwlock is locked.  */
      61    xpthread_barrier_wait (&b);
      62  
      63    ts.tv_nsec = -1;
      64  
      65    TEST_COMPARE (pthread_rwlock_timedrdlock (&r, &ts), EINVAL);
      66    TEST_COMPARE (pthread_rwlock_clockrdlock (&r, CLOCK_REALTIME, &ts), EINVAL);
      67    TEST_COMPARE (pthread_rwlock_clockrdlock (&r, CLOCK_MONOTONIC, &ts), EINVAL);
      68    TEST_COMPARE (pthread_rwlock_timedwrlock (&r, &ts), EINVAL);
      69    TEST_COMPARE (pthread_rwlock_clockwrlock (&r, CLOCK_REALTIME, &ts), EINVAL);
      70    TEST_COMPARE (pthread_rwlock_clockwrlock (&r, CLOCK_MONOTONIC, &ts), EINVAL);
      71  
      72    ts.tv_nsec = 1000000000;
      73  
      74    TEST_COMPARE (pthread_rwlock_timedrdlock (&r, &ts), EINVAL);
      75    TEST_COMPARE (pthread_rwlock_clockrdlock (&r, CLOCK_REALTIME, &ts), EINVAL);
      76    TEST_COMPARE (pthread_rwlock_clockrdlock (&r, CLOCK_MONOTONIC, &ts), EINVAL);
      77    TEST_COMPARE (pthread_rwlock_timedwrlock (&r, &ts), EINVAL);
      78    TEST_COMPARE (pthread_rwlock_clockwrlock (&r, CLOCK_REALTIME, &ts), EINVAL);
      79    TEST_COMPARE (pthread_rwlock_clockwrlock (&r, CLOCK_MONOTONIC, &ts), EINVAL);
      80  
      81    ts.tv_nsec = (__typeof (ts.tv_nsec)) 0x100001000LL;
      82    if ((__typeof (ts.tv_nsec)) 0x100001000LL != 0x100001000LL)
      83      ts.tv_nsec = 2000000000;
      84  
      85    TEST_COMPARE (pthread_rwlock_timedrdlock (&r, &ts), EINVAL);
      86    TEST_COMPARE (pthread_rwlock_clockrdlock (&r, CLOCK_REALTIME, &ts), EINVAL);
      87    TEST_COMPARE (pthread_rwlock_clockrdlock (&r, CLOCK_MONOTONIC, &ts), EINVAL);
      88    TEST_COMPARE (pthread_rwlock_timedwrlock (&r, &ts), EINVAL);
      89    TEST_COMPARE (pthread_rwlock_clockwrlock (&r, CLOCK_REALTIME, &ts), EINVAL);
      90    TEST_COMPARE (pthread_rwlock_clockwrlock (&r, CLOCK_MONOTONIC, &ts), EINVAL);
      91  
      92    return 0;
      93  }
      94  
      95  #include <support/test-driver.c>