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/* Generic wait.h */
/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
* Copyright 1998-2021 The OpenLDAP Foundation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted only as authorized by the OpenLDAP
* Public License.
*
* A copy of this license is available in file LICENSE in the
* top-level directory of the distribution or, alternatively, at
* <http://www.OpenLDAP.org/license.html>.
*/
#ifndef _AC_WAIT_H
#define _AC_WAIT_H
#include <sys/types.h>
#ifdef HAVE_SYS_WAIT_H
# include <sys/wait.h>
#endif
#define LDAP_HI(s) (((s) >> 8) & 0377)
#define LDAP_LO(s) ((s) & 0377)
/* These should work on non-POSIX UNIX platforms,
all bets on off on non-POSIX non-UNIX platforms... */
#ifndef WIFEXITED
# define WIFEXITED(s) (LDAP_LO(s) == 0)
#endif
#ifndef WEXITSTATUS
# define WEXITSTATUS(s) LDAP_HI(s)
#endif
#ifndef WIFSIGNALED
# define WIFSIGNALED(s) (LDAP_LO(s) > 0 && LDAP_HI(s) == 0)
#endif
#ifndef WTERMSIG
# define WTERMSIG(s) (LDAP_LO(s) & 0177)
#endif
#ifndef WIFSTOPPED
# define WIFSTOPPED(s) (LDAP_LO(s) == 0177 && LDAP_HI(s) != 0)
#endif
#ifndef WSTOPSIG
# define WSTOPSIG(s) LDAP_HI(s)
#endif
#ifdef WCONTINUED
# define WAIT_FLAGS ( WNOHANG | WUNTRACED | WCONTINUED )
#else
# define WAIT_FLAGS ( WNOHANG | WUNTRACED )
#endif
#endif /* _AC_WAIT_H */
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