ASharedRaiiHelper Class Reference

Shared completion marker for multithreaded callback-based future handling. More...

#include <AUI/Util/ASharedRaiiHelper.h>

Detailed Description

ASharedRaiiHelper is intended to track the completion of multiple futures, exploiting the destruction of AFuture::onSuccess or AFuture::onError callbacks when they called. This approach allows to easily integrate ASharedRaiiHelper to the existing code.

Note that the callback will be called even if onSuccess is not.

auto marker = ASharedRaiiHelper::make([] {
   // will be called when all futures called onSuccess or destroyed
});
auto future = AUI_THREADPOOL {
   // hard work
}
//                      VVVVVV ASharedRaiiHelper should be captured!
future.onSuccess([this, marker]() {
   // handle the hard work
});
 
// keep the future alive in AUI_THREADPOOL holder
mAsyncHolder << future;

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