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Usage
vtkConditionVariable allows the locking of variables which
are accessed through different threads. This header file
also defines vtkSimpleConditionVariable which is not a
subclass of vtkObject.
The win32 implementation is based on notes provided by
Douglas C. Schmidt and Irfan Pyarali, Department of Computer
Science, Washington University, St. Louis, Missouri. http://
www.cs.wustl.edu/~schmidt/win32-cv-1.html
To create an instance of class vtkConditionVariable, simply
invoke its constructor as follows
obj = vtkConditionVariable
Methods
The class vtkConditionVariable has several methods that can
be used. They are listed below. Note that the documentation
is translated automatically from the VTK sources, and may
not be completely intelligible. When in doubt, consult the
VTK website. In the methods listed below, obj is an instance
of the vtkConditionVariable class.
* string = obj.GetClassName ()
* int = obj.IsA (string name)
* vtkConditionVariable = obj.NewInstance ()
* vtkConditionVariable = obj.SafeDownCast (vtkObject o)
* obj.Signal () - Wake one thread waiting for the condition
to change.
* obj.Broadcast () - Wake all threads waiting for the
condition to change.
* int = obj.Wait (vtkMutexLock mutex) - Wait for the
condition to change. Upon entry, the mutex must be locked
and the lock held by the calling thread. Upon exit, the
mutex will be locked and held by the calling thread.
Between entry and exit, the mutex will be unlocked and may
be held by other threads.
Parameters:
mutex The mutex that should be locked on entry and
will be locked on exit (but not in between)
Return values:
function returns 0. Should a thread be
Normally,this interrupted by a signal, a non-zero
value may be returned.
* FreeMat_Documentation
* Visualization_Toolkit_Common_Classes
* Generated on Thu Jul 25 2013 17:18:30 for FreeMat by
doxygen_ 1.8.1.1
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