xapian-core/common/safesyswait.h

   1 /** @file
   2  * @brief #include <sys/wait.h>, with portability stuff.
   3  */
   4 /* Copyright (C) 2010 Olly Betts
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License as
   8  * published by the Free Software Foundation; either version 2 of the
   9  * License, or (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, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301
  19  * USA
  20  */
  21
  22 #ifndef XAPIAN_INCLUDED_SAFESYSWAIT_H
  23 #define XAPIAN_INCLUDED_SAFESYSWAIT_H
  24
  25 #ifndef __WIN32__
  26 # include <sys/wait.h>
  27 #else
  28 // We don't try to replace waitpid(), etc - they're only useful for us when
  29 // we can fork().  But it's handy to be able to use WIFEXITED() and
  30 // WEXITSTATUS().
  31 # ifndef WIFEXITED
  32 #  define WIFEXITED(STATUS) (STATUS != -1)
  33 # endif
  34 # ifndef WEXITSTATUS
  35 #  define WEXITSTATUS(STATUS) (STATUS)
  36 # endif
  37 #endif
  38
  39 #endif /* XAPIAN_INCLUDED_SAFESYSWAIT_H */