libfullock

fullock is an open-source software for user level lock library sup- ported by Yahoo! JAPAN. It runs on user level and provides two types lock. One is a shared reader/writer lock which has the same function- ality with pthread_rwlock. Another is a shared mutex lock which also has the same functionality with pthread_mutex. Here is primary fullock features: 1. fullock is a thread safety library which can be used for multi- processing as well as for multi-threading. 2. fullock releases a mutex lock safely even if a lock owner process exit with 0 in which case OS doesn't release the lock. 3. fullock provides a shared reader/writer lock. A lock owner thread can get another lock again without deadlock. Please visit our website and get more details at: https://github.com/yahoojapan/fullock

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