Publishing 2019 R3 content

[platform/upstream/dldt.git] / inference-engine / thirdparty / fluid / modules / gapi / include / opencv2 / gapi / gcompiled_async.hpp

diff --git a/inference-engine/thirdparty/fluid/modules/gapi/include/opencv2/gapi/gcompiled_async.hpp b/inference-engine/thirdparty/fluid/modules/gapi/include/opencv2/gapi/gcompiled_async.hpp
index a9d946b..96da0d7 100644 (file)
--- a/inference-engine/thirdparty/fluid/modules/gapi/include/opencv2/gapi/gcompiled_async.hpp
+++ b/inference-engine/thirdparty/fluid/modules/gapi/include/opencv2/gapi/gcompiled_async.hpp
@@ -11,7 +11,8 @@
 #include <future>           //for std::future
 #include <exception>        //for std::exception_ptr
 #include <functional>       //for std::function
-#include "opencv2/gapi/garg.hpp"
+#include <opencv2/gapi/garg.hpp>
+#include <opencv2/gapi/own/exports.hpp>
 
 namespace cv {
     //fwd declaration
@@ -19,13 +20,22 @@ namespace cv {
 
 namespace gapi{
 namespace wip {
+    class GAsyncContext;
     //These functions asynchronously (i.e. probably on a separate thread of execution) call operator() member function of their first argument with copies of rest of arguments (except callback) passed in.
     //The difference between the function is the way to get the completion notification (via callback or a waiting on std::future object)
     //If exception is occurred during execution of apply it is transfered to the callback (via function parameter) or passed to future (and will be thrown on call to std::future::get)
+
+    //N.B. :
+    //Input arguments are copied on call to async function (actually on call to cv::gin) and thus do not have to outlive the actual completion of asynchronous activity.
+    //While Output arguments are "captured" by reference(pointer) and therefore _must_ outlive the asynchronous activity
+    //(i.e. live at least until callback is called or future is unblocked)
     GAPI_EXPORTS void                async(GCompiled& gcmpld, std::function<void(std::exception_ptr)>&& callback, GRunArgs &&ins, GRunArgsP &&outs);
+    GAPI_EXPORTS void                async(GCompiled& gcmpld, std::function<void(std::exception_ptr)>&& callback, GRunArgs &&ins, GRunArgsP &&outs, GAsyncContext& ctx);
+
     GAPI_EXPORTS std::future<void>   async(GCompiled& gcmpld, GRunArgs &&ins, GRunArgsP &&outs);
-} // namespace gapi
+    GAPI_EXPORTS std::future<void>   async(GCompiled& gcmpld, GRunArgs &&ins, GRunArgsP &&outs, GAsyncContext& ctx);
 } // namespace wip
+} // namespace gapi
 } // namespace cv
 
 #endif // OPENCV_GAPI_GCOMPILED_ASYNC_HPP