1 // Copyright (c) 2013, Thomas Goyne <plorkyeran@aegisub.org> 2 // 3 // Permission to use, copy, modify, and distribute this software for any 4 // purpose with or without fee is hereby granted, provided that the above 5 // copyright notice and this permission notice appear in all copies. 6 // 7 // THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 8 // WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 9 // MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 10 // ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 11 // WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 12 // ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 13 // OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 14 // 15 // Aegisub Project http://www.aegisub.org/ 16 17 #include <functional> 18 #include <memory> 19 20 namespace agi { 21 namespace dispatch { 22 typedef std::function<void()> Thunk; 23 24 class Queue { 25 virtual void DoInvoke(Thunk thunk)=0; 26 public: ~Queue()27 virtual ~Queue() { } 28 29 /// Invoke the thunk on this processing queue, returning immediately 30 void Async(Thunk thunk); 31 32 /// Invoke the thunk on this processing queue, returning only when 33 /// it's complete 34 void Sync(Thunk thunk); 35 }; 36 37 /// Initialize the dispatch thread pools 38 /// @param invoke_main A function which invokes the thunk on the GUI thread 39 void Init(std::function<void (Thunk)> invoke_main); 40 41 /// Get the main queue, which runs on the GUI thread 42 Queue& Main(); 43 44 /// Get the generic background queue, which runs thunks in parallel 45 Queue& Background(); 46 47 /// Create a new serial queue 48 std::unique_ptr<Queue> Create(); 49 } 50 } 51