Added a wait with timeout to the platform semaphore class

src/platform-win32.cc

 // Copyright 2006-2008 the V8 project authors. 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
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 1520 matching lines @@
   }
 
   ~Win32Semaphore() {
     CloseHandle(sem);
   }
 
   void Wait() {
     WaitForSingleObject(sem, INFINITE);
   }
 
+  bool Wait(int timeout) {
+    // Timeout in Windows API is in milliseconds.
+    DWORD millis_timeout = timeout / 1000;
+    return WaitForSingleObject(sem, millis_timeout) != WAIT_TIMEOUT;
+  }
+
   void Signal() {
     LONG dummy;
     ReleaseSemaphore(sem, 1, &dummy);
   }
 
  private:
   HANDLE sem;
 };
 
 
@@ skipping 272 matching lines @@
 
   // Release the thread handles
   CloseHandle(data_->sampler_thread_);
   CloseHandle(data_->profiled_thread_);
 }
 
 
 #endif  // ENABLE_LOGGING_AND_PROFILING
 
 } }  // namespace v8::internal