core.sync.condition

The condition module provides a primitive for synchronized condition checking.

License:

Boost License 1.0

Authors:

Sean Kelly

Source

core/sync/condition.d

public import core.sync.exception;

public import core.sync.mutex;

public import core.time;

class Condition;

This class represents a condition variable as conceived by C.A.R. Hoare. As per Mesa type monitors however, "signal" has been replaced with "notify" to indicate that control is not transferred to the waiter when a notification is sent.

nothrow @safe this(Mutex m);

Initializes a condition object which is associated with the supplied mutex object.

Parameters:

Mutex m

The mutex with which this condition will be associated.

Throws:

SyncError on error.

@property Mutex mutex();

Gets the mutex associated with this condition.

Returns:

The mutex associated with this condition.

void wait();

Wait until notified.

Throws:

SyncError on error.

bool wait(Duration val);

Suspends the calling thread until a notification occurs or until the supplied time period has elapsed.

Parameters:

Duration val

The time to wait.

In

val must be non-negative.

Throws:

SyncError on error.

Returns:

true if notified before the timeout and false if not.

void notify();

Notifies one waiter.

Throws:

SyncError on error.

void notifyAll();

Notifies all waiters.

Throws:

SyncError on error.