How does epoll handle pipes and FIFOs?

Aug 6, 2023 ... This module was initially written to detect EPOLLPRI events indicating that urgent data is available for reading. EPOLLPRI events are triggered ... Dec 16, 2020 ... question on eventmask epoll on gpio value ... 5 is the file descriptor. (value_fd). But what is 11? I thought it would be the event mask ... Jan 10, 2017 ... All file descriptors on Unix systems start out in "blocking mode". That means that I/O system calls like read, write, or connect can block. Name. epoll_ctl -- control an epoll file descriptor ; Synopsis. #include . int epoll_ctl (int epfd, int op, int fd, struct epoll_event * event); ... Oct 31, 2002 ... Re: Unifying epoll,aio,futexes etc. (What I really want from epoll). From: Rusty Russell ([email protected]) Oct 7, 2018 ... I haven't found anything that actually talks about the mechanism epoll uses to monitor the underlying FDs in order to report events for them. Aug 10, 2023 ... Epoll-rs is a difficult to misuse, high-level binding to Linux's epoll interface. It provides the Epoll type, which wraps an epoll file ... Availablity and Portability · select and poll are available on any Unix system. · epoll is Linux specific (available after version 2.5.44). · poll is a POSIX ... General description. epoll_ctl() adds, modifies, or removes file descriptor entries in the interest list of the epoll instance. The wanted I/O event might be ... Jan 5, 2018 ... This tutorial assumes you're familiar and comfortable with Linux, the syntax of C and the usage of file descriptors in UNIX-like systems.

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what is epoll

• How does epoll handle socket options?
• How does epoll interact with the kernel's flow control and congestion control mechanisms?
• Are there any limitations or special considerations for using epoll with broadcast sockets?
• Can you use epoll to monitor directories?
• How does epoll handle power management and low-power states? Can you use epoll to wake up a system from a low-power state when an event occurs?
• How does epoll interact with virtual machines and containers?
• What are the considerations for using edge-triggered mode with multicast or anycast sockets?
• Are there any events generated by epoll when a UDP datagram is sent?
• How does epoll handle concurrency and parallelism within a single process?
• How does epoll handle backpressure in network applications?