text: /* Copyright (C) 2004-2020 Free Software Foundation, Inc.
     This file is part of the GNU C Library.
     Contributed by Ulrich Drepper <drepper@redhat.com>, 2004.
  
     The GNU C Library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Lesser General Public
     License as published by the Free Software Foundation; either
     version 2.1 of the License, or (at your option) any later version.
  
     The GNU C Library is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     Lesser General Public License for more details.
  
     You should have received a copy of the GNU Lesser General Public
     License along with the GNU C Library; if not, see
     <https://www.gnu.org/licenses/>.  */
  
  #include <errno.h>
  #include <pthread.h>
  #include <stdio.h>
  #include <stdlib.h>
  #include <time.h>
  #include <support/check.h>
  #include <support/xthread.h>
  #include <support/xtime.h>
  
  
  static pthread_barrier_t b;
  static pthread_rwlock_t r = PTHREAD_RWLOCK_INITIALIZER;
  
  
  static void *
  tf (void *arg)
  {
    /* Lock the read-write lock.  */
    TEST_COMPARE (pthread_rwlock_wrlock (&r), 0);
  
    pthread_t mt = *(pthread_t *) arg;
  
    xpthread_barrier_wait (&b);
  
    /* This call will never return.  */
    xpthread_join (mt);
  
    return NULL;
  }
  
  
  static int
  do_test (void)
  {
    struct timespec ts;
  
    xclock_gettime (CLOCK_REALTIME, &ts);
    xpthread_barrier_init (&b, NULL, 2);
  
    pthread_t me = pthread_self ();
    xpthread_create (NULL, tf, &me);
  
    /* Wait until the rwlock is locked.  */
    xpthread_barrier_wait (&b);
  
    ts.tv_nsec = -1;
  
    TEST_COMPARE (pthread_rwlock_timedrdlock (&r, &ts), EINVAL);
    TEST_COMPARE (pthread_rwlock_clockrdlock (&r, CLOCK_REALTIME, &ts), EINVAL);
    TEST_COMPARE (pthread_rwlock_clockrdlock (&r, CLOCK_MONOTONIC, &ts), EINVAL);
    TEST_COMPARE (pthread_rwlock_timedwrlock (&r, &ts), EINVAL);
    TEST_COMPARE (pthread_rwlock_clockwrlock (&r, CLOCK_REALTIME, &ts), EINVAL);
    TEST_COMPARE (pthread_rwlock_clockwrlock (&r, CLOCK_MONOTONIC, &ts), EINVAL);
  
    ts.tv_nsec = 1000000000;
  
    TEST_COMPARE (pthread_rwlock_timedrdlock (&r, &ts), EINVAL);
    TEST_COMPARE (pthread_rwlock_clockrdlock (&r, CLOCK_REALTIME, &ts), EINVAL);
    TEST_COMPARE (pthread_rwlock_clockrdlock (&r, CLOCK_MONOTONIC, &ts), EINVAL);
    TEST_COMPARE (pthread_rwlock_timedwrlock (&r, &ts), EINVAL);
    TEST_COMPARE (pthread_rwlock_clockwrlock (&r, CLOCK_REALTIME, &ts), EINVAL);
    TEST_COMPARE (pthread_rwlock_clockwrlock (&r, CLOCK_MONOTONIC, &ts), EINVAL);
  
    ts.tv_nsec = (__typeof (ts.tv_nsec)) 0x100001000LL;
    if ((__typeof (ts.tv_nsec)) 0x100001000LL != 0x100001000LL)
      ts.tv_nsec = 2000000000;
  
    TEST_COMPARE (pthread_rwlock_timedrdlock (&r, &ts), EINVAL);
    TEST_COMPARE (pthread_rwlock_clockrdlock (&r, CLOCK_REALTIME, &ts), EINVAL);
    TEST_COMPARE (pthread_rwlock_clockrdlock (&r, CLOCK_MONOTONIC, &ts), EINVAL);
    TEST_COMPARE (pthread_rwlock_timedwrlock (&r, &ts), EINVAL);
    TEST_COMPARE (pthread_rwlock_clockwrlock (&r, CLOCK_REALTIME, &ts), EINVAL);
    TEST_COMPARE (pthread_rwlock_clockwrlock (&r, CLOCK_MONOTONIC, &ts), EINVAL);
  
    return 0;
  }
  
  #include <support/test-driver.c>
  