--- old/src/share/vm/runtime/semaphore.hpp	2015-06-25 18:20:30.149487855 +0200
+++ new/src/share/vm/runtime/semaphore.hpp	2015-06-25 18:20:30.013483224 +0200
@@ -37,6 +37,7 @@
 # error "No semaphore implementation provided for this OS"
 #endif
 
+// Implements the limited, platform independent Semaphore API.
 class Semaphore : public CHeapObj<mtInternal> {
  private:
   // Prevent copying and assignment of Semaphore instances.
@@ -47,12 +48,12 @@
   SemaphoreImpl _impl;
 
  public:
-  Semaphore(uint value = 0);
-  ~Semaphore();
+  Semaphore(uint value = 0) : _impl(value) {}
+  ~Semaphore() {}
 
-  void signal(uint count = 1);
+  void signal(uint count = 1) { _impl.signal(count); }
 
-  void wait();
+  void wait()                 { _impl.wait(); }
 };