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  
      24  static int
      25  do_test (void)
      26  {
      27    sigset_t ss;
      28  
      29    sigemptyset (&ss);
      30  
      31    int i;
      32    for (i = 0; i < 10000; ++i)
      33      {
      34        long int r = random ();
      35  
      36        if (r != SIG_BLOCK && r != SIG_SETMASK && r != SIG_UNBLOCK)
      37  	{
      38  	  int e = pthread_sigmask (r, &ss, NULL);
      39  
      40  	  if (e == 0)
      41  	    {
      42  	      printf ("pthread_sigmask succeeded for how = %ld\n", r);
      43  	      exit (1);
      44  	    }
      45  
      46  	  if (e != EINVAL)
      47  	    {
      48  	      puts ("pthread_sigmask didn't return EINVAL");
      49  	      exit (1);
      50  	    }
      51  	}
      52      }
      53  
      54    return 0;
      55  }
      56  
      57  #define TEST_FUNCTION do_test ()
      58  #include "../test-skeleton.c"