tango.core.sync.Condition

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class Condition ¶

This class represents a condition variable as concieved 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.

this(Mutex m) ¶

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

Parameters:

m	The mutex with which this condition will be associated.

Throws:

SyncException on error.

void wait() ¶

Wait until notified.

Throws:

SyncException on error.

bool wait(double period) ¶

Suspends the calling thread until a notification occurs or until the supplied time period has elapsed. The supplied period may be up to a maximum of (uint.max - 1) milliseconds.

Parameters:

period

The time to wait, in seconds (fractional values are accepted).

In:

period must be less than (uint.max - 1) milliseconds.

Returns:

true if notified before the timeout and false if not.

Throws:

SyncException on error.

void notify() ¶

Notifies one waiter.

Throws:

SyncException on error.

void notifyAll() ¶

Notifies all waiters.

Throws:

SyncException on error.