Ts2phc 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. WebJul 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 …
Ts2phc poll returns zero no events
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WebRETURN 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 … WebContribute to kontron/linuxptp development by creating an account on GitHub.
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 > … Web[Linuxptp-devel] [PATCH v3 2/2] ts2phc: Add PTP as a source of ToD PTP IEEE 1588 stack for Linux Brought to you by: rcochran. Summary Files Reviews Support Code Mailing Lists
WebUp 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 ...
WebThe semantics of read(2) depend on whether the eventfd counter currently has a nonzero value and whether the EFD_SEMAPHORE flag was specified when creating the eventfd file descriptor: * If EFD_SEMAPHORE was not specified and the eventfd counter has a nonzero value, then a read(2) returns 8 bytes containing that value, and the counter's value is reset …
WebOct 30, 2024 · This data structure can be created, modified and deleted by three system calls. 1) epoll_create. The epoll instance is created by means of the epoll_create system call, which returns a file descriptor to the epoll instance. The signature of epoll_create is as follows:. #include int epoll_create(int size); The size argument is an … how do you charge a logitech mouseWebDec 23, 2024 · If timeout is greater than zero, it specifies a maximum interval (in milliseconds) to wait for any file descriptor to become ready. If timeout is zero, then poll () will return without blocking. If the value of timeout is -1, the poll blocks indefinitely. Maximum interval to wait for the poll to complete, in milliseconds. If this value is 0 ... how do you charge a kindleWebAug 20, 2024 · Linux PTP Using PHC Adjust Phase Quick Start Guide R31US0007EU0101 Rev.1.01 Aug 20, 2024 Page 4 2. System Requirements Linux PTP v3.0+ Linux kernel … how do you charge a kinetic pro watchWebRETURN 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 an event or an error). A return value of zero indicates that the system call timed out before any file descriptors became read. how do you charge a logitech keyboardWebA 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. how do you charge a magic mouseWebA 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. pho soup bathtubWebDec 20, 2024 · If none of the defined events occurs on any selected file descriptor, poll() waits at least timeout milliseconds for an event to occur on any of the selected file descriptors. If the value of timeout is 0, poll() returns immediately. If the value of timeout is -1, poll() blocks until a requested event occurs or until the call is interrupted. pho soup burke va