43 lines
1,018 B
ReStructuredText
43 lines
1,018 B
ReStructuredText
PR_CNotify
|
|
==========
|
|
|
|
Notify a thread waiting on a change in the state of monitored data.
|
|
|
|
|
|
Syntax
|
|
------
|
|
|
|
.. code::
|
|
|
|
#include <prcmon.h>
|
|
|
|
PRStatus PR_CNotify(void *address);
|
|
|
|
|
|
Parameter
|
|
~~~~~~~~~
|
|
|
|
The function has the following parameter:
|
|
|
|
``address``
|
|
The address of the monitored object. The calling thread must be in
|
|
the monitor defined by the value of the address.
|
|
|
|
|
|
Returns
|
|
~~~~~~~
|
|
|
|
- :ref:`PR_SUCCESS` indicates that the calling thread is the holder of the
|
|
mutex for the monitor referred to by the address parameter.
|
|
- :ref:`PR_FAILURE` indicates that the monitor has not been entered by the
|
|
calling thread.
|
|
|
|
|
|
Description
|
|
-----------
|
|
|
|
Using the value specified in the ``address`` parameter to find a monitor
|
|
in the monitor cache, :ref:`PR_CNotify` notifies single a thread waiting
|
|
for the monitor's state to change. If a thread is waiting on the monitor
|
|
(having called :ref:`PR_CWait`), then that thread is made ready. As soon as
|
|
the thread is scheduled, it attempts to reenter the monitor.
|