From: short <>
Date: Tue, 5 Nov 2002 14:20:21 +0000 (+0000)
Subject: +MmProbeAndLockPages()
X-Git-Tag: captive-0_2~529
X-Git-Url: http://git.jankratochvil.net/?a=commitdiff_plain;h=20ca0f92fdb7f4fb033b7a6338e779d56bc76905;p=captive.git

+MmProbeAndLockPages()
---

diff --git a/src/libcaptive/mm/Makefile.am b/src/libcaptive/mm/Makefile.am
index 6c7e59a..788d50f 100644
--- a/src/libcaptive/mm/Makefile.am
+++ b/src/libcaptive/mm/Makefile.am
@@ -21,6 +21,7 @@ include $(top_srcdir)/src/libcaptive/Makefile-libcaptive.am
 
 noinst_LTLIBRARIES=libmm.la
 libmm_la_SOURCES= \
+		mdl.c \
 		mminit.c \
 		page.c \
 		pool.c \
diff --git a/src/libcaptive/mm/mdl.c b/src/libcaptive/mm/mdl.c
new file mode 100644
index 0000000..bfb446e
--- /dev/null
+++ b/src/libcaptive/mm/mdl.c
@@ -0,0 +1,42 @@
+/* $Id$
+ * reactos MDL emulation of libcaptive
+ * Copyright (C) 2002 Jan Kratochvil <project-captive@jankratochvil.net>
+ * 
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; exactly version 2 of June 1991 is required
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+
+#include "config.h"
+
+#include "reactos/ddk/mmfuncs.h"	/* self */
+#include <glib/gmessages.h>
+
+
+/**
+ * MmProbeAndLockPages:
+ * @MemoryDescriptorList: Pointer to the #MDL specification structure to probe and lock.
+ * %NULL value is forbidden.
+ * @AccessMode: Access at which to probe the pages.
+ * @Operation: One of %IoReadAccess, %IoWriteAccess or %IoModifyAccess.
+ *
+ * Probles the specified @AccessMode and locks those pages to memory
+ * with the desired @AccessMode.
+ * libcaptive does NOP here as it just ses the %MDL_PAGES_LOCKED flag.
+ */
+VOID MmProbeAndLockPages(PMDL MemoryDescriptorList,KPROCESSOR_MODE AccessMode,LOCK_OPERATION Operation)
+{
+	g_return_if_fail(MemoryDescriptorList!=NULL);
+
+	MemoryDescriptorList->MdlFlags|=MDL_PAGES_LOCKED;
+}