Initial source

1 files changed, 53 insertions, 0 deletions

diff --git a/include/mach/default_pager_helper.defs b/include/mach/default_pager_helper.defs
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+++ b/include/mach/default_pager_helper.defs
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+/* 
+ * Mach Operating System
+ * Copyright (c) 1992 Carnegie Mellon University
+ * All Rights Reserved.
+ * 
+ * Permission to use, copy, modify and distribute this software and its
+ * documentation is hereby granted, provided that both the copyright
+ * notice and this permission notice appear in all copies of the
+ * software, derivative works or modified versions, and any portions
+ * thereof, and that both notices appear in supporting documentation.
+ * 
+ * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
+ * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
+ * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+ * 
+ * Carnegie Mellon requests users of this software to return to
+ * 
+ *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
+ *  School of Computer Science
+ *  Carnegie Mellon University
+ *  Pittsburgh PA 15213-3890
+ * 
+ * any improvements or extensions that they make and grant Carnegie Mellon 
+ * the rights to redistribute these changes.
+ */
+
+subsystem dp_helper 888888;
+
+#include <mach/std_types.defs>
+#include <mach/mach_types.defs>
+
+ServerPrefix do_;
+
+/*
+ *	Message that the default pager sends to
+ *	a fileserver who has registered itself
+ *	with the default pager as a "paging helper"
+ *	to notify that more paging spage is or
+ *	is not needed.  Same message to let the
+ *	fileserver know it can (ask to) reclaim space.
+ *
+ *	This message is only sent to a port that
+ *	has been previously registered via
+ *	default_pager_register_fileserver.
+ *	The (optional) reply from the fileserver
+ *	is a call to default_pager_paging_file.
+ */
+
+simpleroutine dp_helper_paging_space(
+		dp_helper		: mach_port_t;
+		space_shortage		: boolean_t;
+		approx_amount		: vm_size_t);
+