From 64959dcf036033c5498ac12bca7a628bc60eee7d Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Tue, 1 Apr 2008 03:49:38 +0000
Subject: Make MappedFile::map return a const correct pointer, don't leak
 address space on Unix platforms.

llvm-svn: 49026
---
 llvm/lib/System/Unix/MappedFile.inc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'llvm/lib/System/Unix')

diff --git a/llvm/lib/System/Unix/MappedFile.inc b/llvm/lib/System/Unix/MappedFile.inc
index 92dc6660439..35efaa6fcb9 100644
--- a/llvm/lib/System/Unix/MappedFile.inc
+++ b/llvm/lib/System/Unix/MappedFile.inc
@@ -56,6 +56,7 @@ bool MappedFile::initialize(std::string* ErrMsg) {
 }
 
 void MappedFile::terminate() {
+  unmap();
   assert(MapInfo && "MappedFile not initialized");
   ::close(MapInfo->FD);
   delete MapInfo;
@@ -70,7 +71,7 @@ void MappedFile::unmap() {
   BasePtr = 0;  // Mark this as non-mapped.
 }
 
-void* MappedFile::map(std::string* ErrMsg) {
+const void* MappedFile::map(std::string* ErrMsg) {
   assert(MapInfo && "MappedFile not initialized");
   if (isMapped()) return BasePtr;
   
-- 
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