Struct system_interface::fs::FdFlags

pub struct FdFlags { /* fields omitted */ }

Flag definitions for use with SetFlags::set_flags.

Implementations

impl FdFlags

pub const APPEND: FdFlags

Writes always write to the end of the file.

pub const DSYNC: FdFlags

Write I/O operations on the file descriptor shall complete as defined by synchronized I/O data integrity completion.

pub const NONBLOCK: FdFlags

I/O operations return io::ErrorKind::WouldBlock.

pub const RSYNC: FdFlags

Read I/O operations on the file descriptor shall complete at the same level of integrity as specified by the DSYNC and SYNC flags.

pub const SYNC: FdFlags

Write I/O operations on the file descriptor shall complete as defined by synchronized I/O file integrity completion.

pub const fn empty() -> FdFlags

Returns an empty set of flags

pub const fn all() -> FdFlags

Returns the set containing all flags.

pub const fn bits(&self) -> u32

Returns the raw value of the flags currently stored.

pub fn from_bits(bits: u32) -> Option<FdFlags>

Convert from underlying bit representation, unless that representation contains bits that do not correspond to a flag.

pub const fn from_bits_truncate(bits: u32) -> FdFlags

Convert from underlying bit representation, dropping any bits that do not correspond to flags.

pub const unsafe fn from_bits_unchecked(bits: u32) -> FdFlags

Convert from underlying bit representation, preserving all bits (even those not corresponding to a defined flag).

pub const fn is_empty(&self) -> bool

Returns true if no flags are currently stored.

pub const fn is_all(&self) -> bool

Returns true if all flags are currently set.

pub const fn intersects(&self, other: FdFlags) -> bool

Returns true if there are flags common to both self and other.

pub const fn contains(&self, other: FdFlags) -> bool

Returns true all of the flags in other are contained within self.

pub fn insert(&mut self, other: FdFlags)

Inserts the specified flags in-place.

pub fn remove(&mut self, other: FdFlags)

Removes the specified flags in-place.

pub fn toggle(&mut self, other: FdFlags)

Toggles the specified flags in-place.

pub fn set(&mut self, other: FdFlags, value: bool)

Inserts or removes the specified flags depending on the passed value.

Trait Implementations

impl Binary for FdFlags

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

Formats the value using the given formatter.

impl BitAnd<FdFlags> for FdFlags

fn bitand(self, other: FdFlags) -> FdFlags

Returns the intersection between the two sets of flags.

type Output = FdFlags

The resulting type after applying the & operator.

impl BitAndAssign<FdFlags> for FdFlags

fn bitand_assign(&mut self, other: FdFlags)

Disables all flags disabled in the set.

impl BitOr<FdFlags> for FdFlags

fn bitor(self, other: FdFlags) -> FdFlags

Returns the union of the two sets of flags.

type Output = FdFlags

The resulting type after applying the | operator.

impl BitOrAssign<FdFlags> for FdFlags

fn bitor_assign(&mut self, other: FdFlags)

Adds the set of flags.

impl BitXor<FdFlags> for FdFlags

fn bitxor(self, other: FdFlags) -> FdFlags

Returns the left flags, but with all the right flags toggled.

type Output = FdFlags

The resulting type after applying the ^ operator.

impl BitXorAssign<FdFlags> for FdFlags

fn bitxor_assign(&mut self, other: FdFlags)

Toggles the set of flags.

impl Clone for FdFlags

fn clone(&self) -> FdFlags

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for FdFlags

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

Formats the value using the given formatter.

impl Extend<FdFlags> for FdFlags

fn extend<T: IntoIterator<Item = FdFlags>>(&mut self, iterator: T)

Extends a collection with the contents of an iterator.

fn extend_one(&mut self, item: A)

🔬 This is a nightly-only experimental API. (extend_one)

Extends a collection with exactly one element.

fn extend_reserve(&mut self, additional: usize)

🔬 This is a nightly-only experimental API. (extend_one)

Reserves capacity in a collection for the given number of additional elements.

impl FromIterator<FdFlags> for FdFlags

fn from_iter<T: IntoIterator<Item = FdFlags>>(iterator: T) -> FdFlags

Creates a value from an iterator.

impl Hash for FdFlags

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H) where
    H: Hasher, 

Feeds a slice of this type into the given Hasher.

impl LowerHex for FdFlags

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

Formats the value using the given formatter.

impl Not for FdFlags

fn not(self) -> FdFlags

Returns the complement of this set of flags.

type Output = FdFlags

The resulting type after applying the ! operator.

impl Octal for FdFlags

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

Formats the value using the given formatter.

impl Ord for FdFlags

fn cmp(&self, other: &FdFlags) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

Restrict a value to a certain interval.

impl PartialEq<FdFlags> for FdFlags

fn eq(&self, other: &FdFlags) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &FdFlags) -> bool

This method tests for !=.

impl PartialOrd<FdFlags> for FdFlags

fn partial_cmp(&self, other: &FdFlags) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

fn lt(&self, other: &Rhs) -> bool

This method tests less than (for self and other) and is used by the < operator.

fn le(&self, other: &Rhs) -> bool

This method tests less than or equal to (for self and other) and is used by the <= operator.

fn gt(&self, other: &Rhs) -> bool

This method tests greater than (for self and other) and is used by the > operator.

fn ge(&self, other: &Rhs) -> bool

This method tests greater than or equal to (for self and other) and is used by the >= operator.

impl Sub<FdFlags> for FdFlags

fn sub(self, other: FdFlags) -> FdFlags

Returns the set difference of the two sets of flags.

type Output = FdFlags

The resulting type after applying the - operator.

impl SubAssign<FdFlags> for FdFlags

fn sub_assign(&mut self, other: FdFlags)

Disables all flags enabled in the set.

impl UpperHex for FdFlags

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

Formats the value using the given formatter.

impl Copy for FdFlags

impl Eq for FdFlags

impl StructuralEq for FdFlags

impl StructuralPartialEq for FdFlags