PRLock
======
A mutual exclusion lock.
Syntax
------
.. code::
#include <prlock.h>
typedef struct PRLock PRLock;
Description
-----------
NSPR represents a lock as an opaque entity to clients of the functions
described in `"Locks" <en/NSPR_API_Reference/Locks>`__. Functions that
operate on locks do not have timeouts and are not interruptible.
