1 files changed, 93 insertions, 0 deletions
diff --git a/src/libs/xpcom18a4/nsprpub/pr/src/io/prmmap.c b/src/libs/xpcom18a4/nsprpub/pr/src/io/prmmap.c
new file mode 100644
index 00000000..e5c1e5dc
--- /dev/null
+++ b/src/libs/xpcom18a4/nsprpub/pr/src/io/prmmap.c
@@ -0,0 +1,93 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is the Netscape Portable Runtime (NSPR).
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 1998-2000
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+/*
+ *********************************************************************
+ *
+ * Memory-mapped files
+ *
+ *********************************************************************
+ */
+
+#include "primpl.h"
+
+PR_IMPLEMENT(PRFileMap *) PR_CreateFileMap(
+    PRFileDesc *fd,
+    PRInt64 size,
+    PRFileMapProtect prot)
+{
+    PRFileMap *fmap;
+
+    PR_ASSERT(prot == PR_PROT_READONLY || prot == PR_PROT_READWRITE
+            || prot == PR_PROT_WRITECOPY);
+    fmap = PR_NEWZAP(PRFileMap);
+    if (NULL == fmap) {
+	PR_SetError(PR_OUT_OF_MEMORY_ERROR, 0);
+	return NULL;
+    }
+    fmap->fd = fd;
+    fmap->prot = prot;
+    if (_PR_MD_CREATE_FILE_MAP(fmap, size) == PR_SUCCESS) {
+	return fmap;
+    } else {
+	PR_DELETE(fmap);
+	return NULL;
+    }
+}
+
+PR_IMPLEMENT(PRInt32) PR_GetMemMapAlignment(void)
+{
+    return _PR_MD_GET_MEM_MAP_ALIGNMENT();
+}
+
+PR_IMPLEMENT(void *) PR_MemMap(
+    PRFileMap *fmap,
+    PROffset64 offset,
+    PRUint32 len)
+{
+    return _PR_MD_MEM_MAP(fmap, offset, len);
+}
+
+PR_IMPLEMENT(PRStatus) PR_MemUnmap(void *addr, PRUint32 len)
+{
+    return _PR_MD_MEM_UNMAP(addr, len);
+}
+
+PR_IMPLEMENT(PRStatus) PR_CloseFileMap(PRFileMap *fmap)
+{
+    return _PR_MD_CLOSE_FILE_MAP(fmap);
+}