Replying for the completeness of the discussion. Le tridi 13 frimaire, an CCXXV, Matt Oliver a écrit : > Thats the trick, not to large that it results noticeable shutdown delays to > the user but not to quick that it polls to often, on a modern machine id > think something like 0.01s would be ok.
I would agree. Unfortunately, even not speaking of the deep-sleep states I evoked earlier, FFmpeg also supports much smaller hardware than what is required to run anything related to MSVC. On some supported hardware, a 100 Hz poll would be too much. > I was thinking of just using setsockopt to set a value for SO_RCVTIMEO only > in circular_buffer_task_rx. That way recv will timeout at the specified > interval which will then use the existing code that checks the recv return. > In case of timeout that check will continue back to top of loop that will > have the s->close_req check to terminate the thread if needed. > something like: Indeed, in theory that would work. I always forget about these options. In my experience they do not work reliably, and I would argue against their use in portable code. For example, starting there: http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/sys_socket.h.html can you tell me the type of the arguments to SO_RCVTIMEO? I know Linux man page tells us it is struct timeval, but that is not a portable standard. Also, these options are just a band aid to implement polling. > Is anyone working on that as your right i definitely think an event system > for all protocols is the best option. Its just that has a larger scope than > i can handle so i was trying to get a simple shorter term fix for udp. Working on it really, no, and not in the foreseeable future. But I have some detailed ideas about how to proceed for when I will get to it. I can share them if someone wants to do it. Regards, -- Nicolas George
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