text: /* Generic wait.h */
  /* $OpenLDAP$ */
  /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   *
   * Copyright 1998-2012 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 */
  