| Quellcodebibliothek Statistik Leitseite products/Sources/formale Sprachen/C/Firefox/third_party/rust/rustix/src/event/ (Firefox Browser Version 153.0.1©) Datei vom 27.6.2026 mit Größe 1 kB |
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Quelle poll.rsSprache: Rust |
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use crate::event::Timespec; use crate::{backend, io}; pub use backend::event::poll_fd::{PollFd, PollFlags}; /// `poll(self.fds, timeout)`—Wait for events on lists of file descriptors. /// /// Some platforms (those that don't support `ppoll`) don't support timeouts /// greater than `c_int::MAX` milliseconds; if an unsupported timeout is /// passed, this function fails with [`io::Errno::INVAL`]. /// /// On macOS, `poll` doesn't work on fds for /dev/tty or /dev/null, however /// [`select`] is available and does work on these fds. /// /// [`select`]: crate::event::select() /// /// This function does not use the [`Buffer`] trait because the `fds` list is /// both an input and output buffer. /// /// [`Buffer`]: crate::buffer::Buffer /// /// # References /// - [Beej's Guide to Network Programming] /// - [POSIX] /// - [Linux] /// - [Apple] /// - [Winsock] /// - [FreeBSD] /// - [NetBSD] /// - [OpenBSD] /// - [DragonFly BSD] /// - [illumos] /// /// [Beej's Guide to Network Programming]: https://beej.us/guide/bgnet/html/split/slig /// [POSIX]: https://pubs.opengroup.org/onlinepubs/9799919799/functions/poll.html /// [Linux]: https://man7.org/linux/man-pages/man2/poll.2.html /// [Apple]: https://developer.apple.com/library/archive/documentation/System/Conc /// [Winsock]: https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-wins /// [FreeBSD]: https://man.freebsd.org/cgi/man.cgi?query=poll&sektion=2 /// [NetBSD]: https://man.netbsd.org/poll.2 /// [OpenBSD]: https://man.openbsd.org/poll.2 /// [DragonFly BSD]: https://man.dragonflybsd.org/?command=poll§ion=2 /// [illumos]: https://illumos.org/man/2/poll #[inline] pub fn poll(fds: &mut [PollFd<'_>], timeout: Option<&Timespec>) -> io::Result< backend::event::syscalls::poll(fds, timeout) }
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2026-08-25