ScopedProcessInformation protects against process/thread handle leaks from CreateProcess calls.

base/win/scoped_handle.h

Index: base/win/scoped_handle.h
diff --git a/base/win/scoped_handle.h b/base/win/scoped_handle.h
index b89219c45ee3c8fdd6f9a07b3de1ad3b831d9129..d42a5bd64061f137b51f9e38ccd79d4be44e3ebf 100644
--- a/base/win/scoped_handle.h
+++ b/base/win/scoped_handle.h
@@ -41,7 +41,7 @@ class GenericScopedHandle {
   }
 
   void Set(Handle handle) {

[alexeypa (please no reviews), 2012/03/15 16:38:27]

const Handle& handle

[erikwright (departed), 2012/03/15 18:02:44]

Done.

-    if (handle_ != handle) {
+    if (!Traits::IsSame(handle_, handle)) {
       Close();
 
       if (Traits::IsHandleValid(handle)) {
@@ -101,6 +101,11 @@ class HandleTraits {
     return handle != NULL && handle != INVALID_HANDLE_VALUE;
   }
 
+  // Returns true if the handle values are the same.
+  static bool IsSame(HANDLE lhs, HANDLE rhs) {
+    return lhs == rhs;
+  }
+
   // Returns NULL handle value.
   static HANDLE NullHandle() {
     return NULL;