.reference

git-svn-id: svn://ultimatepp.org/upp/trunk@11370 f0d560ea-af0d-0410-9eb7-867de7ffcac7

reference/AsyncWork/AsyncWork.cpp

@@ -0,0 +1,37 @@
+#include <Core/Core.h>
+
+using namespace Upp;
+
+CONSOLE_APP_MAIN
+{
+	StdLogSetup(LOG_FILE|LOG_COUT);
+	
+	auto a = Async([](int n) -> double {
+		double f = 1;
+		for(int i = 2; i <= n; i++)
+			f *= i;
+		return f;
+	}, 100); // Schedules job to be executed by threadpool, returns AsyncWork for the return value and job control
+	
+	DUMP(a.Get()); // Makes sure job is finished (can execute it if it has not started yet), returns the result
+	
+	auto b = Async([] { throw "error"; });
+	
+	try {
+		b.Get(); // exception is propagated
+	}
+	catch(...) {
+		LOG("Exception has been caught");
+	}
+	
+	
+	auto c = Async([] {
+		for(;;)
+			if(CoWork::IsCanceled()) {
+				LOG("Work was canceled");
+				break;
+			}
+	});
+	Sleep(100); // make it chance to start
+	// c destructor cancels the work (can be explicitly canceled by Cancel method too)
+}