DD::Image::ReadWriteLock Class Reference
List of all members.
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Public Member Functions |
| ReadWriteLock () |
| ctor creates with defaults
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| ~ReadWriteLock () |
| dtor destroys it
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void | readLock () |
| Lock for reading, this only block writes, not other reads.
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bool | tryReadLock () |
| Try the lock for reading, this only block writes,.
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bool | writeLock () |
| lock for writing, this blocks reads and all writes
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bool | tryWriteLock () |
| lock for writing, this blocks reads and all writes
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void | unlock () |
| unlock the lock
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Protected Attributes |
pthread_rwlock_t | _lock |
| my pthread rwlock that implements this
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Detailed Description
A read/write lock that allows multiple readers to gain access to the lock, but only one writer at a time.
The current implementation may not be recursive as I can't figure out how to make it so or if it is so by default.