miri::shims::unix::linux::epoll

# Struct Epoll

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    struct Epoll {
        interest_list: RefCell<BTreeMap<(FdId, i32), Rc<RefCell<EpollEventInterest>>>>,
        ready_list: Rc<ReadyList>,
        thread_id: RefCell<Vec<ThreadId>>,
    }

Expand description

An `Epoll` file descriptor connects file handles and epoll events

## Fields§

§`interest_list: RefCell<BTreeMap<(FdId, i32), Rc<RefCell<EpollEventInterest>>>>`

A map of EpollEventInterests registered under this epoll instance. Each entry is differentiated using FdId and file descriptor value.

§`ready_list: Rc<ReadyList>`

A map of EpollEventInstance that will be returned when `epoll_wait` is called. Similar to interest_list, the entry is also differentiated using FdId and file descriptor value.

§`thread_id: RefCell<Vec<ThreadId>>`

A list of thread ids blocked on this epoll instance.

## Implementations§

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### impl Epoll

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#### fn get_ready_list(&self) -> Rc<ReadyList>

## Trait Implementations§

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### impl Clone for Epoll

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#### fn clone(&self) -> Epoll

Returns a copy of the value. Read more
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#### fn clone_from(&mut self, source: &Self)

Performs copy-assignment from `source`. Read more
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### impl Debug for Epoll

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#### fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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### impl Default for Epoll

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#### fn default() -> Epoll

Returns the “default value” for a type. Read more
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### impl FileDescription for Epoll

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#### fn name(&self) -> &'static str

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#### fn close<'tcx>( self: Box<Self>, _communicate_allowed: bool, _ecx: &mut MiriInterpCx<'tcx>, ) -> InterpResult<'tcx, Result<()>>

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#### fn read<'tcx>( &self, _self_ref: &FileDescriptionRef, _communicate_allowed: bool, _ptr: Pointer, _len: usize, _dest: &MPlaceTy<'tcx>, _ecx: &mut MiriInterpCx<'tcx>, ) -> InterpResult<'tcx>

Reads as much as possible into the given buffer `ptr`. `len` indicates how many bytes we should try to read. `dest` is where the return value should be stored: number of bytes read, or `-1` in case of error.
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#### fn write<'tcx>( &self, _self_ref: &FileDescriptionRef, _communicate_allowed: bool, _ptr: Pointer, _len: usize, _dest: &MPlaceTy<'tcx>, _ecx: &mut MiriInterpCx<'tcx>, ) -> InterpResult<'tcx>

Writes as much as possible from the given buffer `ptr`. `len` indicates how many bytes we should try to write. `dest` is where the return value should be stored: number of bytes written, or `-1` in case of error.
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#### fn pread<'tcx>( &self, _communicate_allowed: bool, _offset: u64, _ptr: Pointer, _len: usize, _dest: &MPlaceTy<'tcx>, _ecx: &mut MiriInterpCx<'tcx>, ) -> InterpResult<'tcx>

Reads as much as possible into the given buffer `ptr` from a given offset. `len` indicates how many bytes we should try to read. `dest` is where the return value should be stored: number of bytes read, or `-1` in case of error.
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#### fn pwrite<'tcx>( &self, _communicate_allowed: bool, _ptr: Pointer, _len: usize, _offset: u64, _dest: &MPlaceTy<'tcx>, _ecx: &mut MiriInterpCx<'tcx>, ) -> InterpResult<'tcx>

Writes as much as possible from the given buffer `ptr` starting at a given offset. `ptr` is the pointer to the user supplied read buffer. `len` indicates how many bytes we should try to write. `dest` is where the return value should be stored: number of bytes written, or `-1` in case of error.
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#### fn seek<'tcx>( &self, _communicate_allowed: bool, _offset: SeekFrom, ) -> InterpResult<'tcx, Result<u64>>

Seeks to the given offset (which can be relative to the beginning, end, or current position). Returns the new position from the start of the stream.
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#### fn flock<'tcx>( &self, _communicate_allowed: bool, _op: FlockOp, ) -> InterpResult<'tcx, Result<()>>

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#### fn is_tty(&self, _communicate_allowed: bool) -> bool

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#### fn get_epoll_ready_events<'tcx>(&self) -> InterpResult<'tcx, EpollReadyEvents>

Check the readiness of file description.

## Auto Trait Implementations§

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### impl !Freeze for Epoll

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### impl !RefUnwindSafe for Epoll

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### impl !Send for Epoll

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### impl !Sync for Epoll

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### impl Unpin for Epoll

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### impl !UnwindSafe for Epoll

## Blanket Implementations§

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### impl<T> Any for T
where T: 'static + ?Sized,

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#### fn type_id(&self) -> TypeId

Gets the `TypeId` of `self`. Read more
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### impl<T> Borrow<T> for T
where T: ?Sized,

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#### fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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### impl<T> BorrowMut<T> for T
where T: ?Sized,

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#### fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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### impl<T> CloneToUninit for T
where T: Clone,

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#### unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (`clone_to_uninit`)
Performs copy-assignment from `self` to `dst`. Read more
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### impl<T> From<T> for T

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#### fn from(t: T) -> T

Returns the argument unchanged.

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### impl<T, U> Into<U> for T
where U: From<T>,

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#### fn into(self) -> U

Calls `U::from(self)`.

That is, this conversion is whatever the implementation of `From<T> for U` chooses to do.

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### impl<T> Same for T

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#### type Output = T

Should always be `Self`
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### impl<T> ToOwned for T
where T: Clone,

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#### type Owned = T

The resulting type after obtaining ownership.
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#### fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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#### fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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### impl<T, U> TryFrom<U> for T
where U: Into<T>,

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#### type Error = Infallible

The type returned in the event of a conversion error.
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#### fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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### impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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#### type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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#### fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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### impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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#### fn vzip(self) -> V

## Layout§

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain `repr(...)` attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 72 bytes