Struct tarantool::fiber::Latch

pub struct Latch { /* private fields */ }

A lock for cooperative multitasking environment

Implementations

impl Latch

pub fn new() -> Self

Allocate and initialize the new latch.

pub fn lock(&self) -> LatchGuard

Lock a latch. Waits indefinitely until the current fiber can gain access to the latch.

pub fn try_lock(&self) -> Option<LatchGuard>

Try to lock a latch. Return immediately if the latch is locked.

Returns:

• Some - success
• None - the latch is locked.

Trait Implementations

impl Debug for Latch

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

Formats the value using the given formatter.

impl Default for Latch

fn default() -> Self

Returns the “default value” for a type.

impl Drop for Latch

fn drop(&mut self)

Executes the destructor for this type.