/* * $Id: forkwait.h 761 2007-10-23 22:35:18Z hubert@u.washington.edu $ * * ======================================================================== * Copyright 2013-2021 Eduardo Chappa * Copyright 2006 University of Washington * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * ======================================================================== */ #ifndef PITH_OSDEP_FORKWAIT_INCLUDED #define PITH_OSDEP_FORKWAIT_INCLUDED #if HAVE_UNION_WAIT #define WAITSTATUS_T union wait #else #define WAITSTATUS_T int #endif #ifndef WEXITSTATUS #define WEXITSTATUS(X) (((X) >> 8) & 0xff) /* high bits tell exit value */ #endif #ifndef WIFEXITED #define WIFEXITED(X) (!((X) & 0xff)) /* low bits tell how it died */ #endif #if !HAVE_WORKING_VFORK #define vfork fork #endif #endif /* PITH_OSDEP_FORKWAIT_INCLUDED */