Add server side sorting

[openldap] / include / ac / wait.h

diff --git a/include/ac/wait.h b/include/ac/wait.h
index 30da21643c05d6fc9bcc2463744325c994a3c2ab..a4791634c4c8e3fdc6192c58db8f69d78a8aff51 100644 (file)
--- a/include/ac/wait.h
+++ b/include/ac/wait.h
@@ -1,12 +1,17 @@
 /* Generic wait.h */
-/*
- * Copyright 1998,1999 The OpenLDAP Foundation, Redwood City, California, USA
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1998-2008 The OpenLDAP Foundation.
  * All rights reserved.
  *
- * Redistribution and use in source and binary forms are permitted only
- * as authorized by the OpenLDAP Public License.  A copy of this
- * license is available at http://www.OpenLDAP.org/license.html or
- * in file LICENSE in the top-level directory of the distribution.
+ * 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
@@ -14,15 +19,32 @@
 
 #include <sys/types.h>
 
-#if HAVE_SYS_WAIT_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(stat_val) ((unsigned)(stat_val) >> 8)
+# define WEXITSTATUS(s) LDAP_HI(s)
 #endif
-#ifndef WIFEXITED
-# define WIFEXITED(stat_val) (((stat_val) & 255) == 0)
+#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