Initializing help system before first use

pipenotify

Purpose
Register for a notification associated to a memory pipe.
Synopsis
function pipenotify(pname:string,class:integer,value:real):boolean
Arguments
pname 
Name of the pipe to monitor
class 
Event class (0 or must be >1)
value 
Event value
Return value
true if the operation was successful
Further information
1. This function sets up a monitor on a memory pipe (See section Driver mempipe) such that an event (with the specified class and value) is sent to the model when some data is available for reading from the pipe. The event is sent immediately and no monitor is installed if the pipe is already non-empty.
2. The mechanism is effective for one notification only: after the event has been sent the monitor is removed, the function must be called again if the program requires further notifications.
3. It is not possible to install several monitors on a given pipe (the function returns false if a monitor is already active), however a model can remove a monitor that it has previously requested through this function by calling it again with a class set to 0.
Module
mmjobs

Parent Topic Procedures and functions

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