signal/sigsetops.c

   1 /* Compatibility symbols for old versions of signal.h.
   2    Copyright (C) 2017-2020 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   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    <https://www.gnu.org/licenses/>.  */
  18
  19 #include <signal.h>
  20 #include <sigsetops.h>
  21 #include <shlib-compat.h>
  22
  23 /* These were formerly defined by <signal.h> as inline functions,
  24    so they require out-of-line compatibility definitions.  */
  25 #if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_26)
  26
  27 int
  28 attribute_compat_text_section
  29 (__sigismember) (const __sigset_t *set, int sig)
  30 {
  31   return __sigismember (set, sig);
  32 }
  33 compat_symbol (libc, __sigismember, __sigismember, GLIBC_2_0);
  34
  35 int
  36 attribute_compat_text_section
  37 (__sigaddset) (__sigset_t *set, int sig)
  38 {
  39   __sigaddset (set, sig);
  40   return 0;
  41 }
  42 compat_symbol (libc, __sigaddset, __sigaddset, GLIBC_2_0);
  43
  44 int
  45 attribute_compat_text_section
  46 (__sigdelset) (__sigset_t *set, int sig)
  47 {
  48   __sigdelset (set, sig);
  49   return 0;
  50 }
  51 compat_symbol (libc, __sigdelset, __sigdelset, GLIBC_2_0);
  52
  53 #endif