> Gah, no. Userspace spinlocks are the deepest of voodoo and something to be used only by people who know exactly what they are doing and would have no difficulty writing "traditional" threaded code in a C/C++ environment.
If you ever used pthread_mutex with glibc then you use spinlocks without knowing it. The implementation spins for some time before going for a full kernel mutex.
If you ever used pthread_mutex with glibc then you use spinlocks without knowing it. The implementation spins for some time before going for a full kernel mutex.