Ts2phc poll returns zero no events
WebOn the contrary, if epoll is used too much, epoll will be more efficient_ CTL, the efficiency is still slightly lower. However, once idle connections is used to simulate WAN environment, epoll is far more efficient than selected / poll. 3. Use MMAP to accelerate the message passing between kernel and user space. WebJan 30, 2024 · The ts2phc program works (or should work) all by itself. > Command : > ts2phc -f ts2phc.cfg -m -s generic > ts2phc[503.770]: poll returns zero, no events > …
Ts2phc poll returns zero no events
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WebA tag already exists with the provided branch name. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. WebNov 10, 2024 · When running ts2phc together with a program that reads the PHC (e.g. phc2ys or chrony with a PHC refclock), ts2phc will log "poll returns zero, no events" …
WebJul 8, 2015 · later in code is written: ret = poll (pfd, 5, 0); With this I am able to receive data from all 5 sockets, and it is working. Functions is returning if socket received data. Problem occurs when I try to send data. I try to add in events POLLOUT and wait that poll function give me that socket is ready for sending. WebHi, I'm trying to get GPIO Interrrupt functionality working using sysfs and poll calls. The problem appears to be that the poll call is always returnng immediately and is not triggering on the actualy rising edge. I have configured the kernel for this GPIO to be an input which does work correctly. I've also configured the GPIO (114) correctly ...
WebA tag already exists with the provided branch name. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior.
WebRETURN VALUE On success, poll() returns a nonnegative value which is the number of elements in the pollfds whose revents fields have been set to a nonzero value (indicating an event or an error). A return value of zero indicates that the system call timed out before any file descriptors became read. great oldman street hospitalWebAug 30, 2024 · Previous changes/clarifications to ts2phc have established that: - a PPS sink deals with extts events - a clock deals with synchronization via a servo loop. Therefore, … great old movies free onlineWebRETURN VALUE top On success, poll() returns a nonnegative value which is the number of elements in the pollfds whose revents fields have been set to a nonzero value (indicating … great old movies blogWebJul 26, 2024 · I'm using a framework which I give a socket to and it will call my callback if there is data to be read (or if timeout). However it keeps calling me as fast as my cpu can handle although there is no data to be read from the socket. [pid 16586] poll ( [ {fd=16, events=POLLIN}, {fd=17, events=POLLIN}], 2, 1000) = 2 ( [ {fd=16, revents=POLLIN ... flooring options instead of carpetWebJul 16, 2014 · For pipes and sockets, it depends on the operating system. Linux sets POLLHUP when the program on the writing end of a pipe closes the pipe, and sets POLLIN POLLHUP when the other end of a socket closed the socket, but POLLIN only for a socket shutdown. Recent *BSD set POLLIN POLLUP when the writing end of a pipe closes … great old movies on youtubeWebIf the value of fd/msgid is less than 0, events is ignored and revents is set to 0 in that entry on return from poll(). In each pollfd structure, poll() clears the revents member except that where the application requested a report on a condition by setting one of the bits of events listed above, poll() sets the corresponding bit in revents if the requested condition is true. great old mystery moviesWebUp to maxevents are returned by epoll_wait (). The maxevents argument must be greater than zero. The timeout argument specifies the number of milliseconds that epoll_wait () will block. Time is measured against the CLOCK_MONOTONIC clock. A call to epoll_wait () will block until either: • a file descriptor delivers an event; • the call is ... great old movies free