gdbsupport/gdb_setjmp.h

   1 /* Portability wrappers for setjmp and longjmp.
   2    Copyright (C) 1986-2020 Free Software Foundation, Inc.
   3
   4    This file is part of GDB.
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 3 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  18
  19 #ifndef COMMON_GDB_SETJMP_H
  20 #define COMMON_GDB_SETJMP_H
  21
  22 #include <setjmp.h>
  23
  24 #ifdef HAVE_SIGSETJMP
  25 #define SIGJMP_BUF              sigjmp_buf
  26 #define SIGSETJMP(buf,val)      sigsetjmp((buf), val)
  27 #define SIGLONGJMP(buf,val)     siglongjmp((buf), (val))
  28 #else
  29 #define SIGJMP_BUF              jmp_buf
  30 /* We ignore val here because that's safer and avoids having to check
  31    whether _setjmp exists.  */
  32 #define SIGSETJMP(buf,val)      setjmp(buf)
  33 #define SIGLONGJMP(buf,val)     longjmp((buf), (val))
  34 #endif
  35
  36 #endif /* COMMON_GDB_SETJMP_H */