[launchd-dev] Launch daemon 0n-Demand on USB Connection/Write

[Kiran B]

Hello,

 From the recent posts in "launchd-dev" lists, it is evident that  
launchd does not yet support launching of processes based on USB  
device getting connected.

I have a requirement to launch a daemon whenever a device with  
specific VendorID is connected.

I am OK even if the daemon gets launched for any device getting  
connected via USB. In that case, the daemon shall ensure that it is  
the right device on which it is interested in. In other case it may  
terminate.

I am also curious to know whether a daemon can be launched whenever  
the connected device writes any data on the USB port. (Eg: User  
interaction with the device would make the device write on USB).

However I am satisfied that there is no direct means to achieve any of  
these. Correct me if I am wrong.
In that case, I would like to know what would be the best approach to  
achieve this. I would like to know any work around if it exists.

The requirement is for 10.4 and above. However, I may be able to  
persuade the concerned to make that 10.5 in case this can only be  
achieved in 10.5.

I did look for the same in Net. I could find that it was mentioned  
that it is not possible, I could not get any suggestion on the best  
approach to be followed with the available infrastructure.

Thanks in advance.

Regards,
Kiran
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Robosoft Technologies - Come home to Technology

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