[WIP] TrapHandler 2014/11/27.

src/base/platform/platform-win32.cc

Index: src/base/platform/platform-win32.cc
diff --git a/src/base/platform/platform-win32.cc b/src/base/platform/platform-win32.cc
index d68e8617d721d7e267c85d5ab121952ab83f45cf..5146ff5324d3da9ddec30e45147aadb11405d3d4 100644
--- a/src/base/platform/platform-win32.cc
+++ b/src/base/platform/platform-win32.cc
@@ -799,12 +799,18 @@ void OS::ProtectCode(void* address, const size_t size) {
 }
 
 
-void OS::Guard(void* address, const size_t size) {
+void OS::Guard(void* const address, size_t const size) {
   DWORD oldprotect;
   VirtualProtect(address, size, PAGE_NOACCESS, &oldprotect);
 }
 
 
+void OS::Unguard(void* const address, size_t const size) {
+  DWORD oldprotect;
+  VirtualProtect(address, size, PAGE_READWRITE, &oldprotect);
+}
+
+
 void OS::Sleep(int milliseconds) {
   ::Sleep(milliseconds);
 }