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Diffstat (limited to 'BUGS')
| -rw-r--r-- | BUGS | 12 |
1 files changed, 12 insertions, 0 deletions
@@ -114,3 +114,15 @@ Known bugs 3. The Borland Builder 5.5 version of the library produces memory read exceptions in some tests. + +4. pthread_barrier_wait() can deadlock if the number of potential calling +threads for a particular barrier is greater than the barrier count parameter +given to pthread_barrier_init() for that barrier. + +This is due to the very lightweight implementation of pthread-win32 barriers. +To cope with more than "count" possible waiters, barriers must effectively +implement all the same safeguards as condition variables, making them much +"heavier" than at present. + +The workaround is to ensure that no more than "count" threads attempt to wait +at the barrier. |