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core.sync.rwmutex.read_write_mutex.policy - multiple declarations
- Function ReadWriteMutex.policy
- Enum ReadWriteMutex.Policy
Function ReadWriteMutex.policy
Gets the policy used by this mutex.
Prototype
ReadWriteMutex.Policy policy() @property;
Returns
The policy used by this mutex.
Enum ReadWriteMutex.Policy
Defines the policy used by this mutex. Currently, two policies are
defined.
The first will queue writers until no readers hold the mutex, then
pass the writers through one at a time. If a reader acquires the mutex
while there are still writers queued, the reader will take precedence.
The second will queue readers if there are any writers queued. Writers are passed through one at a time, and once there are no writers present, all queued readers will be alerted.
Future policies may offer a more even balance between reader and writer
precedence.
The enum base type is
int
Enum members
| Name | Description |
|---|---|
PREFER_READERS
|
Readers get preference. This may starve writers. |
PREFER_WRITERS
|
Writers get preference. This may starve readers. |
Authors
Sean Kelly