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| author | David Young <dyoung@hdfgroup.org> | 2020-02-27 17:27:45 (GMT) |
|---|---|---|
| committer | David Young <dyoung@hdfgroup.org> | 2020-05-20 14:31:55 (GMT) |
| commit | 4562a584afc798e834bd6d51a94e90519669b574 (patch) | |
| tree | 1f9958b6a68654aa5e4a59331a5d1c383bfc8082 /test/deflate.h5 | |
| parent | 88920baf539cca052a478eeef4594422ce7e4db9 (diff) | |
| download | hdf5-4562a584afc798e834bd6d51a94e90519669b574.zip hdf5-4562a584afc798e834bd6d51a94e90519669b574.tar.gz hdf5-4562a584afc798e834bd6d51a94e90519669b574.tar.bz2 | |
The first implementation seemed to allow for the possibility that a thread
could block at the barrier, wake and exit the barrier, re-acquire the barrier
lock and increase `nentered` before the other blocked threads woke and checked
`nentered % count == 0`. Then the other blocked threads would check `nentered
% count == 0` and, finding it false, go back to sleep in the barrier. This new
implementation waits for a looser condition to obtain so that threads don't go
back to sleep in the barrier.
Diffstat (limited to 'test/deflate.h5')
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