kernel32: Implement UnmapViewOfFileEx().

dlls/kernel32/kernel32.spec

@@ -1557,6 +1557,7 @@
 @ stdcall -import UnlockFile(long long long long long)
 @ stdcall -import UnlockFileEx(long long long long ptr)
 @ stdcall -import UnmapViewOfFile(ptr)
+@ stdcall -import UnmapViewOfFileEx(ptr long)
 # @ stub UnregisterApplicationRecoveryCallback
 @ stdcall UnregisterApplicationRestart()
 # @ stub UnregisterConsoleIME

dlls/kernelbase/kernelbase.spec

@@ -1654,7 +1654,7 @@
 @ stdcall UnlockFileEx(long long long long ptr)
 @ stdcall UnmapViewOfFile(ptr)
 @ stdcall UnmapViewOfFile2(long ptr long)
-# @ stub UnmapViewOfFileEx
+@ stdcall UnmapViewOfFileEx(ptr long)
 # @ stub UnregisterBadMemoryNotification
 # @ stub UnregisterGPNotificationInternal
 # @ stub UnregisterStateChangeNotification

dlls/kernelbase/memory.c

@@ -313,6 +313,15 @@ BOOL WINAPI DECLSPEC_HOTPATCH UnmapViewOfFile2( HANDLE process, void *addr, ULON
 
 
 /***********************************************************************
+ *             UnmapViewOfFileEx   (kernelbase.@)
+ */
+BOOL WINAPI DECLSPEC_HOTPATCH UnmapViewOfFileEx( void *addr, ULONG flags )
+{
+    return set_ntstatus( NtUnmapViewOfSectionEx( GetCurrentProcess(), addr, flags ));
+}
+
+
+/***********************************************************************
  *             VirtualAlloc   (kernelbase.@)
  */
 LPVOID WINAPI DECLSPEC_HOTPATCH VirtualAlloc( void *addr, SIZE_T size, DWORD type, DWORD protect )

include/winbase.h

@@ -2742,6 +2742,7 @@ WINBASEAPI BOOL        WINAPI UnlockFileEx(HANDLE,DWORD,DWORD,DWORD,LPOVERLAPPED
 #define                       UnlockSegment(handle) GlobalUnfix((HANDLE)(handle))
 WINBASEAPI BOOL        WINAPI UnmapViewOfFile(LPCVOID);
 WINBASEAPI BOOL        WINAPI UnmapViewOfFile2(HANDLE,PVOID,ULONG);
+WINBASEAPI BOOL        WINAPI UnmapViewOfFileEx(PVOID,ULONG);
 WINBASEAPI BOOL        WINAPI UmsThreadYield(void *);
 WINBASEAPI HRESULT     WINAPI UnregisterApplicationRestart(void);
 WINBASEAPI BOOL        WINAPI UnregisterWait(HANDLE);