(root)/
glibc-2.38/
signal/
tst-sigsimple.c
       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 <signal.h>
      20  #include <stdio.h>
      21  #include <string.h>
      22  #include <libc-diag.h>
      23  
      24  /* The sighold and sigrelse functions are deprecated.  */
      25  DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wdeprecated-declarations");
      26  
      27  static int
      28  do_test (void)
      29  {
      30    int result = 0;
      31    int e;
      32  
      33  #define RUN(test) \
      34    errno = 0;								      \
      35    e = test;								      \
      36    if (e != -1)								      \
      37      {									      \
      38        printf ("%s returned %d\n", #test, e);				      \
      39        result = 1;							      \
      40      }									      \
      41    else if (errno != EINVAL)						      \
      42      {									      \
      43        printf ("%s didn't set errno to EINVAL (%s instead)\n",		      \
      44  	      #test, strerror (errno));					      \
      45        result = 1;							      \
      46      }
      47  
      48    RUN (sighold (-1));
      49    RUN (sighold (_NSIG + 100));
      50  
      51    RUN (sigrelse (-1));
      52    RUN (sigrelse (_NSIG + 100));
      53  
      54    return result;
      55  }
      56  
      57  #define TEST_FUNCTION do_test ()
      58  #include "../test-skeleton.c"