156 |
|
* } |
157 |
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* } |
158 |
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* } finally { |
159 |
< |
* sl.unlock(stamp); |
159 |
> |
* sl.unlock(stamp); |
160 |
|
* } |
161 |
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* } |
162 |
|
* }}</pre> |
226 |
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* threads. Both await methods use a similar spin strategy: If |
227 |
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* the associated queue appears to be empty, then the thread |
228 |
|
* spin-waits up to SPINS times (where each iteration decreases |
229 |
< |
* spin count with 50% probability) before enqueing, and then, if |
229 |
> |
* spin count with 50% probability) before enqueuing, and then, if |
230 |
|
* it is the first thread to be enqueued, spins again up to SPINS |
231 |
|
* times before blocking. If, upon wakening it fails to obtain |
232 |
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* lock, and is still (or becomes) the first waiting thread (which |