cpython/Misc/NEWS.d/next/Core and Builtins/2017-06-26-14-29-50.bpo-307...

Avoid blocking in pthread_mutex_lock() when PyThread_acquire_lock() is asked
not to block.
[3.6] bpo-30765: Avoid blocking when PyThread_acquire_lock() is asked not to (GH-2403) (#2418) * bpo-30765: Avoid blocking when PyThread_acquire_lock() is asked not to lock This is especially important if PyThread_acquire_lock() is called reentrantly (for example from a signal handler). * Update 2017-06-26-14-29-50.bpo-30765.Q5iBmf.rst * Avoid core logic when taking the mutex failed (cherry picked from commit f84ac420c2af98339678744953869cad3c253281) 2017-06-26 16:57:28 -03:00			`Avoid blocking in pthread_mutex_lock() when PyThread_acquire_lock() is asked`
			`not to block.`