just::thread Complete C++ Standard Thread Library by Just Software Solutions

T must be MoveAssignable.

Checks whether there is an item on the queue without blocking. If the queue is empty then try_pop() returns immediately and target is unchanged, otherwise it removes the front item from the queue and move-assigns it to target. If an exception is thrown by the move constructor or move-assignment operator of T whilst retrieving the value then that item is lost.

true if an item was removed, or false otherwise.

Any exception thrown by the move constructor of T. jss::poisoned_queue if *this has been poisoned.

Only one thread may call pop() or try_pop() on a particular instance of jss::mpsc_fifo concurrently. If two threads call pop() or try_pop() on the same instance and neither call happens-before the other then the behaviour is undefined.

A call to push() synchronizes-with a call to try_pop() that retrieves the value pushed.