signal/bits/types/__sigval_t.h

   1 /* Define __sigval_t.
   2    Copyright (C) 1997-2018 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    <http://www.gnu.org/licenses/>.  */
  18
  19 #ifndef ____sigval_t_defined
  20 #define ____sigval_t_defined
  21
  22 /* Type for data associated with a signal.  */
  23 #ifdef __USE_POSIX199309
  24 union sigval
  25 {
  26   int sival_int;
  27   void *sival_ptr;
  28 };
  29
  30 typedef union sigval __sigval_t;
  31 #else
  32 union __sigval
  33 {
  34   int __sival_int;
  35   void *__sival_ptr;
  36 };
  37
  38 typedef union __sigval __sigval_t;
  39 #endif
  40
  41 #endif