Changeset 10073 for trunk/src/kernel32/mmapdup.cpp

Timestamp:

May 6, 2003, 2:06:11 PM (22 years ago)

Author:

sandervl

Message:

Fixed closing of parent file handle by duplicate memory map; Compare file names instead of handles when checking for duplicate file maps

File:

• trunk/src/kernel32/mmapdup.cpp (modified) (3 diffs)

trunk/src/kernel32/mmapdup.cpp

@@ -1 @@
-/* $Id: mmapdup.cpp,v 1.2 2003-04-02 11:03:32 sandervl Exp $ */
+/* $Id: mmapdup.cpp,v 1.3 2003-05-06 12:06:11 sandervl Exp $ */
 
 /*
@@ -67 +67 @@
 {
     //copy values from original map
-    mSize    = parent->getMapSize();
-    hMemFile = parent->getFileHandle();
+    mSize       = parent->getMapSize();
+    //can't use hMemFile or else we'll close this file handle in the memmap dtor!!
+    hDupMemFile = parent->getFileHandle();
 
     //If the parent is a readonly map and we allow write access, then we must
@@ -127 +128 @@
              goto parmfail;
 
-    if(offset+size > mSize && (!(fdwAccess & FILE_MAP_WRITE) || hMemFile == -1))
+    if(offset+size > mSize && (!(fdwAccess & FILE_MAP_WRITE) || hDupMemFile == -1))
         goto parmfail;