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� � � � � � [ 2 ! � � � n ] � � � � � � � � � V 9 � � � � t [ < � � � � y s r ) � � � � a I C B � � � � } }} } } (self.fd, true) fn write_fd_event(&self) -> (i32, bool) { } (self.fd, true) fn read_fd_event(&self) -> (i32, bool) { } self.wait(false, timeout) fn wait_write(&self, timeout: Option<Duration>) -> Option<Duration> { } self.wait(true, timeout) fn wait_read(&self, timeout: Option<Duration>) -> Option<Duration> { } } self.write(u64::MAX - 1); } else { self.write(u64::MAX >> 1); } else if to == PARTIAL { } self.write(u64::MAX >> 1); if to == PARTIAL { self.read(); } else if from == FULL { } self.read(); } else { self.write(u64::MAX >> 1); if to == FULL { if from == PARTIAL { assert!(from != to); fn notify(&self, from: u8, to: u8) { impl Notify for EventFd { } } unsafe { libc::close(self.fd) }; fn drop(&mut self) { impl Drop for EventFd { } } } Some(Duration::new(tm.tv_sec as u64, (tm.tv_usec * 1000) as u32)) } else { None if tm_ptr.is_null() { unsafe { libc::select(self.fd + 1, rd_set, wr_set, null_set, tm_ptr) }; }; (null_set, set.as_mut_ptr()) } else { (set.as_mut_ptr(), null_set) let (rd_set, wr_set) = if read { }; ptr::null_mut::<libc::timeval>() } else { ptr::addr_of_mut!(tm) tm.tv_usec = timeout.subsec_micros() as libc::suseconds_t; tm.tv_sec = timeout.as_secs() as libc::time_t; let tm_ptr = if let Some(timeout) = timeout { let null_set = ptr::null_mut::<libc::fd_set>(); } libc::FD_SET(self.fd, set.as_mut_ptr()); unsafe { let mut set = MaybeUninit::<libc::fd_set>::zeroed(); }; tv_usec: 0, tv_sec: 0, let mut tm = libc::timeval { fn wait(&self, read: bool, timeout: Option<Duration>) -> Option<Duration> { #[cfg(any(target_os = "linux", target_os = "android"))] } val } ); mem::size_of_val(&val), ptr::addr_of_mut!(val).cast::<libc::c_void>(), self.fd, libc::read( unsafe { let mut val = 0_u64; fn read(&self) -> u64 { } } ) mem::size_of_val(&val), ptr::addr_of!(val).cast::<libc::c_void>(), self.fd, libc::write( unsafe { fn write(&self, val: u64) -> isize { impl EventFd { } } Self { fd } assert!(fd > -1, "EventFd::default {}", Error::last()); let fd = unsafe { libc::eventfd(0, libc::EFD_NONBLOCK | libc::EFD_CLOEXEC) }; fn default() -> Self { impl Default for EventFd { } fd: i32, pub struct EventFd { #[repr(C)] use core::time::Duration; use core::ptr; use core::mem::{self, MaybeUninit}; use crate::Error; use super::{Notify, FULL, PARTIAL};