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+PR_NewLock
+==========
+
+Creates a new lock.
+
+
+Syntax
+------
+
+.. code::
+
+   #include <prlock.h>
+
+   PRLock* PR_NewLock(void);
+
+
+Returns
+~~~~~~~
+
+The function returns one of the following values:
+
+-  If successful, a pointer to the new lock object.
+-  If unsuccessful (for example, the lock cannot be created because of
+   resource constraints), ``NULL``.
+
+
+Description
+-----------
+
+:ref:`PR_NewLock` creates a new opaque lock.