Commit cffc9c6a authored by Brad King's avatar Brad King

ENH: Added polling feature to documentation of WaitForData.

parent fdc5e09e
......@@ -267,7 +267,9 @@ kwsysEXPORT void kwsysProcess_Disown(kwsysProcess* cp);
* return after reading data, the time elapsed is subtracted
* from the timeout value. If this timeout expires, the
* value is set to 0. A NULL pointer passed for this argument
* indicates no timeout for the call.
* indicates no timeout for the call. A negative or zero
* value passed for this argument may be used for polling
* and will always return immediately.
*
* Return value will be one of:
*
......
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