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# 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

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.

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