Christian Prochaska a99193ad90 Rework the internal lock interface ... With this patch, the 'futex' syscall gets used for blocking and unblocking of threads in the Linux-specific lock implementation. The 'Native_thread_id' type, which was previously used in the lock-internal 'Applicant' class to identify a thread to be woken up, was not suitable anymore for implementing this change. With this patch, the 'Thread_base*' type gets used instead, which also has the positive effect of making the public 'cancelable_lock.h' header file platform-independent. Fixes #646.		2013-02-25 22:14:21 +01:00
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mk	Rework the internal lock interface	2013-02-25 22:14:21 +01:00