[−][src]Struct vmm_sys_util::epoll::EpollEvent
Wrapper over 'libc::epoll_event'.
Implementations
impl EpollEvent
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pub fn new(events: EventSet, data: u64) -> Self
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Create a new epoll_event instance.
Arguments
events
- contains an event mask.
data
- a user data variable. data
field can be a fd on which
we want to monitor the events specified by events
.
Examples
extern crate vmm_sys_util; use vmm_sys_util::epoll::{EpollEvent, EventSet}; let event = EpollEvent::new(EventSet::IN, 2);
pub fn events(&self) -> u32
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Returns the events
from
'libc::epoll_event'.
Examples
extern crate vmm_sys_util; use vmm_sys_util::epoll::{EpollEvent, EventSet}; let event = EpollEvent::new(EventSet::IN, 2); assert_eq!(event.events(), 1);
pub fn event_set(&self) -> EventSet
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Returns the EventSet
corresponding to epoll_event.events
.
Panics
Panics if libc::epoll_event
contains invalid events.
Examples
extern crate vmm_sys_util; use vmm_sys_util::epoll::{EpollEvent, EventSet}; let event = EpollEvent::new(EventSet::IN, 2); assert_eq!(event.event_set(), EventSet::IN);
pub fn data(&self) -> u64
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Returns the data
from the libc::epoll_event
.
Examples
extern crate vmm_sys_util; use vmm_sys_util::epoll::{EpollEvent, EventSet}; let event = EpollEvent::new(EventSet::IN, 2); assert_eq!(event.data(), 2);
pub fn fd(&self) -> RawFd
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Converts the libc::epoll_event
data to a RawFd.
This conversion is lossy when the data does not correspond to a RawFd (data does not fit in a i32).
Examples
extern crate vmm_sys_util; use vmm_sys_util::epoll::{EpollEvent, EventSet}; let event = EpollEvent::new(EventSet::IN, 2); assert_eq!(event.fd(), 2);
Trait Implementations
impl Clone for EpollEvent
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fn clone(&self) -> EpollEvent
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fn clone_from(&mut self, source: &Self)
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impl Copy for EpollEvent
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impl Debug for EpollEvent
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impl Default for EpollEvent
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impl Deref for EpollEvent
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type Target = epoll_event
The resulting type after dereferencing.
fn deref(&self) -> &Self::Target
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Auto Trait Implementations
impl RefUnwindSafe for EpollEvent
impl Send for EpollEvent
impl Sync for EpollEvent
impl Unpin for EpollEvent
impl UnwindSafe for EpollEvent
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
pub fn borrow_mut(&mut self) -> &mut T
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impl<T> From<T> for T
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T> ToOwned for T where
T: Clone,
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T: Clone,
type Owned = T
The resulting type after obtaining ownership.
pub fn to_owned(&self) -> T
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pub fn clone_into(&self, target: &mut T)
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impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,