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23 
24 #ifndef SHARE_GC_Z_ZMESSAGEPORT_HPP
25 #define SHARE_GC_Z_ZMESSAGEPORT_HPP
26 
27 #include "gc/z/zFuture.hpp"
28 #include "gc/z/zList.hpp"
29 #include "memory/allocation.hpp"
30 #include "runtime/mutex.hpp"
31 
32 template <typename T> class ZMessageRequest;
33 
34 template <typename T>
35 class ZMessagePort {
36 private:
37   typedef ZMessageRequest<T> Request;
38 
39   Monitor        _monitor;
40   bool           _has_message;
41   T              _message;
42   uint64_t       _seqnum;
43   ZList<Request> _queue;
44 
45 public:
46   ZMessagePort();
47 
48   void send_sync(T message);
49   void send_async(T message);
50 
51   T receive();
52   void ack();
53 };
54 
55 class ZRendezvousPort {
56 private:
57   ZMessagePort<bool> _port;
58 
59 public:
60   void signal();
61   void wait();
62   void ack();
63 };
64 
65 #endif // SHARE_GC_Z_ZMESSAGEPORT_HPP
66