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048c6d88a0
Add ioctls USBTMC_IOCTL_GET_TIMEOUT / USBTMC_IOCTL_SET_TIMEOUT to get/set I/O timeout for specific file handle. Different operations on an instrument can take different lengths of time thus it is important to be able to set the timeout slightly longer than the expected duration of each operation to optimise the responsiveness of the application. As the instrument may be shared by multiple applications the timeout should be settable on a per file descriptor basis. Tested-by: Dave Penkler <dpenkler@gmail.com> Reviewed-by: Steve Bayless <steve_bayless@keysight.com> Signed-off-by: Dave Penkler <dpenkler@gmail.com> Signed-off-by: Guido Kiener <guido.kiener@rohde-schwarz.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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