signal/tst-sigsimple.c

   1 /* Copyright (C) 2003-2018 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <http://www.gnu.org/licenses/>.  */
  18
  19 #include <errno.h>
  20 #include <signal.h>
  21 #include <stdio.h>
  22 #include <string.h>
  23
  24
  25 static int
  26 do_test (void)
  27 {
  28   int result = 0;
  29   int e;
  30
  31 #define RUN(test) \
  32   errno = 0;                                                                  \
  33   e = test;                                                                   \
  34   if (e != -1)                                                                \
  35     {                                                                         \
  36       printf ("%s returned %d\n", #test, e);                                  \
  37       result = 1;                                                             \
  38     }                                                                         \
  39   else if (errno != EINVAL)                                                   \
  40     {                                                                         \
  41       printf ("%s didn't set errno to EINVAL (%s instead)\n",                 \
  42               #test, strerror (errno));                                       \
  43       result = 1;                                                             \
  44     }
  45
  46   RUN (sighold (-1));
  47   RUN (sighold (_NSIG + 100));
  48
  49   RUN (sigrelse (-1));
  50   RUN (sigrelse (_NSIG + 100));
  51
  52   return result;
  53 }
  54
  55 #define TEST_FUNCTION do_test ()
  56 #include "../test-skeleton.c"