sysdeps/pthread/tst-signal4.c

   1 /* Copyright (C) 2003-2024 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"