Added InitCheck() method.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@29487 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/os/support/Locker.h

@@ -17,6 +17,8 @@ class BLocker {
 		BLocker(const char* name, bool benaphoreStyle);
 		virtual ~BLocker();
 
+		status_t InitCheck() const;
+
 		bool Lock(void);
 		status_t LockWithTimeout(bigtime_t timeout);
 		void Unlock(void);

src/kits/support/Locker.cpp

@@ -93,6 +93,13 @@ BLocker::~BLocker()
 }
 
 
+status_t
+BLocker::InitCheck() const
+{
+	return fSemaphoreID >= 0 ? B_OK : fSemaphoreID;
+}
+
+
 bool
 BLocker::Lock(void)
 {