Struct FileHandle

struct FileHandle {
    file: File,
    writable: bool,
}

Fields

file: File

writable: bool

Trait Implementations

impl Debug for FileHandle

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

Formats the value using the given formatter.

impl FileDescription for FileHandle

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

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.

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.

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.

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

fn metadata<'tcx>(&self) -> InterpResult<'tcx, Result<Metadata>>

fn is_tty(&self, communicate_allowed: bool) -> bool

fn as_unix(&self) -> &dyn UnixFileDescription

impl UnixFileDescription for FileHandle

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.

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.

fn flock<'tcx>( &self, communicate_allowed: bool, op: FlockOp, ) -> InterpResult<'tcx, Result<()>>

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

Check the readiness of file description.

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: 8 bytes