waitformultipleobjects

问题 This question already has an answer here : Does WaitForMultipleObjects() reset all auto-reset events? (1 answer) Closed 5 years ago . When using WaitForMultipleObjects(... /*bWaitAll=*/FALSE ...) the function will obviously modify the state of the first synchronization object that causes it to return. That is, if you have (had) a signaled auto-reset event, and the return value indicates that this event object caused the function to return, that surely it has been reset. However, consider the

问题 PS: I am very new to threads. I have a problem where i need to wait for connection requests(completely arbitrary number of times) from clients, accept a connection on a socket, create a worker thread after connection. The created thread then creates a char array, works on it and needs to pass it to the parent process. I have been able to create the threads in a while loop like while ((new_socket = accept(srv_sock, (struct sockaddr *)&client, &c)) != INVALID_SOCKET) { puts("\nConnection

问题 I have a list of HANDLE's, controlled by a lot of different IO devices. What would be the (performance) difference between: A call to WaitForMultipleObjects on all these handles async_read on boost::windows::basic_handle's around all these handles Is WaitForMultipleObjects O(n) time complex with n the amount of handles? You can somehow call async_read on a windows::basic_handle right? Or is that assumption wrong? If I call run on the same IO device in multiple threads, will the handling-calls