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1 Commits (3654fb10d79af3b2eb5887f52ce1d0ea1fd15d63)
| Author | SHA1 | Message | Date |
|---|---|---|---|
Alexander Alekhin
|
cec700525c |
core(ocl): fix deadlock in UMatDataAutoLock
UMatData locks are not mapped on real locks (they are mapped to some "pre-initialized" pool). Concurrent execution of these statements may lead to deadlock: - a.copyTo(b) from thread 1 - c.copyTo(d) from thread 2 where: - 'a' and 'd' are mapped to single lock "A". - 'b' and 'c' are mapped to single lock "B". Workaround is to process locks with strict order. |
7 years ago |