[oilpan]: Make parking threads for GC timeout in the case parking exceeds 100 MS

Source/platform/heap/ThreadState.h

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 342 matching lines @@
     //
     // Each thread that has ThreadState attached must:
     //   - periodically check if GC is requested from another thread by calling a safePoint() method;
     //   - use SafePointScope around long running loops that have no safePoint() invocation inside,
     //     such loops must not touch any heap object;
     //   - register an Interruptor that can interrupt long running loops that have no calls to safePoint and
     //     are not wrapped in a SafePointScope (e.g. Interruptor for JavaScript code)
     //
 
     // Request all other threads to stop. Must only be called if the current thread is at safepoint.
-    static void stopThreads();
+    static bool stopThreads();
     static void resumeThreads();
 
     // Check if GC is requested by another thread and pause this thread if this is the case.
     // Can only be called when current thread is in a consistent state.
     void safePoint(StackState);
 
     // Mark current thread as running inside safepoint.
     void enterSafePointWithoutPointers() { enterSafePoint(NoHeapPointersOnStack, 0); }
     void enterSafePointWithPointers(void* scopeMarker) { enterSafePoint(HeapPointersOnStack, scopeMarker); }
     void leaveSafePoint();
@@ skipping 223 matching lines @@
 };
 
 template<> class ThreadStateFor<AnyThread> {
 public:
     static ThreadState* state() { return ThreadState::current(); }
 };
 
 }
 
 #endif // ThreadState_h