Struct ProcSem 

pub struct ProcSem(/* private fields */);

Representation of a process that may be active or inactive.

Implementations

impl ProcSem

pub fn new() -> Self

Create a new process semaphore object.

pub fn with_reporter(reporter: impl StateReporter + 'static) -> Self

Create a new process semaphore with a reporter object.

pub fn acquire_async(&self) -> AcquireFuture

Return a Future that will yield a ProcCtx when possible.

On successful acquire the internal endmsg will be cleared.

pub fn acquire_blocking(&self) -> ProcCtx

Acquire a ProcCtx, blocking until successful.

On successful acquire the internal endmsg will be cleared.

pub fn try_acquire(&self) -> Option<ProcCtx>

Attempt to acquire ProcCtx, returning immediately.

Returns Some(ProcCtx) if the lock was acquired successfully. Returns None if the lock is already owned by another lock.

On successful acquire the internal endmsg will be cleared.

pub fn endmsg(&self) -> Option<String>

Get a clone of the internal end message.

Trait Implementations

impl Default for ProcSem

fn default() -> ProcSem

Returns the “default value” for a type.