Struct sunrise_libuser::syscalls::MemoryPermissions

pub struct MemoryPermissions {
    bits: u32,
}

Memory permissions of a memory area.

Fields

bits: u32

Implementations

impl MemoryPermissions

pub fn check(self) -> Result<(), KernelError>

Checks that the permissions as valid - that is, it should be one of ---, R--, RW- or R-X.

impl MemoryPermissions

pub const READABLE: MemoryPermissions

The area is readable.

pub const WRITABLE: MemoryPermissions

The area is writable.

pub const EXECUTABLE: MemoryPermissions

The area is executable.

pub const RO: MemoryPermissions

The area is ReadOnly.

pub const RW: MemoryPermissions

The area is RW.

pub const RX: MemoryPermissions

The area is RX.

pub fn empty() -> MemoryPermissions

Returns an empty set of flags

pub fn all() -> MemoryPermissions

Returns the set containing all flags.

pub fn bits(&self) -> u32

Returns the raw value of the flags currently stored.

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

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

pub fn from_bits_truncate(bits: u32) -> MemoryPermissions

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

pub fn is_empty(&self) -> bool

Returns true if no flags are currently stored.

pub fn is_all(&self) -> bool

Returns true if all flags are currently set.

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

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

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

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

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

Inserts the specified flags in-place.

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

Removes the specified flags in-place.

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

Toggles the specified flags in-place.

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

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

Trait Implementations

impl Binary for MemoryPermissions

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

Formats the value using the given formatter.

impl BitAnd<MemoryPermissions> for MemoryPermissions

type Output = MemoryPermissions

The resulting type after applying the & operator.

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

Returns the intersection between the two sets of flags.

impl BitAndAssign<MemoryPermissions> for MemoryPermissions

fn bitand_assign(&mut self, other: MemoryPermissions)

Disables all flags disabled in the set.

impl BitOr<MemoryPermissions> for MemoryPermissions

type Output = MemoryPermissions

The resulting type after applying the | operator.

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

Returns the union of the two sets of flags.

impl BitOrAssign<MemoryPermissions> for MemoryPermissions

fn bitor_assign(&mut self, other: MemoryPermissions)

Adds the set of flags.

impl BitXor<MemoryPermissions> for MemoryPermissions

type Output = MemoryPermissions

The resulting type after applying the ^ operator.

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

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

impl BitXorAssign<MemoryPermissions> for MemoryPermissions

fn bitxor_assign(&mut self, other: MemoryPermissions)

Toggles the set of flags.

impl Clone for MemoryPermissions

fn clone(&self) -> MemoryPermissions

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Copy for MemoryPermissions

impl Debug for MemoryPermissions

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

Formats the value using the given formatter.

impl Default for MemoryPermissions

fn default() -> MemoryPermissions

Returns the "default value" for a type.

impl Eq for MemoryPermissions

impl Extend<MemoryPermissions> for MemoryPermissions

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

Extends a collection with the contents of an iterator.

impl FromIterator<MemoryPermissions> for MemoryPermissions

fn from_iter<T>(iterator: T) -> MemoryPermissions where
    T: IntoIterator<Item = MemoryPermissions>, 

Creates a value from an iterator.

impl Hash for MemoryPermissions

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

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 MemoryPermissions

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

Formats the value using the given formatter.

impl Not for MemoryPermissions

type Output = MemoryPermissions

The resulting type after applying the ! operator.

fn not(self) -> MemoryPermissions

Returns the complement of this set of flags.

impl Octal for MemoryPermissions

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

Formats the value using the given formatter.

impl Ord for MemoryPermissions

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

This method returns an [Ordering] between self and other.

#[must_use]fn max(self, other: Self) -> Self

Compares and returns the maximum of two values.

#[must_use]fn min(self, other: Self) -> Self

Compares and returns the minimum of two values.

#[must_use]fn clamp(self, min: Self, max: Self) -> Self

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

Restrict a value to a certain interval.

impl PartialEq<MemoryPermissions> for MemoryPermissions

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

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

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

This method tests for !=.

impl PartialOrd<MemoryPermissions> for MemoryPermissions

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

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

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

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

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

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

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

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

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

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

impl StructuralEq for MemoryPermissions

impl StructuralPartialEq for MemoryPermissions

impl Sub<MemoryPermissions> for MemoryPermissions

type Output = MemoryPermissions

The resulting type after applying the - operator.

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

Returns the set difference of the two sets of flags.

impl SubAssign<MemoryPermissions> for MemoryPermissions

fn sub_assign(&mut self, other: MemoryPermissions)

Disables all flags enabled in the set.

impl UpperHex for MemoryPermissions

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

Formats the value using the given formatter.