include/posixjmp.h

   1 /* posixjmp.h -- wrapper for setjmp.h with changes for POSIX systems. */
   2
   3 /* Copyright (C) 1987,1991 Free Software Foundation, Inc.
   4
   5    This file is part of GNU Bash, the Bourne Again SHell.
   6
   7    Bash is free software: you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation, either version 3 of the License, or
  10    (at your option) any later version.
  11
  12    Bash is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with Bash.  If not, see <http://www.gnu.org/licenses/>.
  19 */
  20
  21 #ifndef _POSIXJMP_H_
  22 #define _POSIXJMP_H_
  23
  24 #include <setjmp.h>
  25
  26 /* This *must* be included *after* config.h */
  27
  28 #if defined (HAVE_POSIX_SIGSETJMP)
  29 #  define procenv_t     sigjmp_buf
  30 #  if !defined (__OPENNT)
  31 #    undef setjmp
  32 #    define setjmp(x)   sigsetjmp((x), 1)
  33 #    define setjmp_nosigs(x)    sigsetjmp((x), 0)
  34 #    undef longjmp
  35 #    define longjmp(x, n)       siglongjmp((x), (n))
  36 #  endif /* !__OPENNT */
  37 #else
  38 #  define procenv_t     jmp_buf
  39 #  define setjmp_nosigs setjmp
  40 #endif
  41
  42 #endif /* _POSIXJMP_H_ */