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 <signal.h>
      21  #include <stdio.h>
      22  #include <stdlib.h>
      23  #include <string.h>
      24  #include <support/check.h>
      25  #include <support/xthread.h>
      26  
      27  #include "eintr.c"
      28  
      29  
      30  static void *
      31  tf (void *arg)
      32  {
      33    pthread_mutex_t m = PTHREAD_MUTEX_INITIALIZER;
      34    xpthread_mutex_lock (&m);
      35    /* This call must not return.  */
      36    xpthread_mutex_lock (&m);
      37  
      38    puts ("tf: mutex_lock returned");
      39    exit (1);
      40  }
      41  
      42  
      43  static int
      44  do_test (void)
      45  {
      46    pthread_t self = pthread_self ();
      47  
      48    setup_eintr (SIGUSR1, &self);
      49  
      50    pthread_t th = xpthread_create (NULL, tf, NULL);
      51  
      52    delayed_exit (1);
      53    /* This call must never return.  */
      54    xpthread_join (th);
      55    puts ("error: pthread_join returned");
      56    return 1;
      57  }
      58  
      59  #include <support/test-driver.c>