
© 2007, QNX Software Systems GmbH & Co. KG. usbd
_
io()
Returns:
EBADF Improper usbd
_
connect() call.
EINVAL Improper usbd
_
connect() call.
ENODEV Device was removed.
Classification:
QNX Neutrino, QNX 4
Safety
Cancellation point Yes
Interrupt handler No
Signal handler No
Thread Yes
See also:
usbd
_
descriptor(), usbd
_
feature(), usbd
_
setup
_
control(), usbd
_
setup
_
bulk(),
usbd
_
setup
_
interrupt(), usbd
_
setup
_
isochronous(), usbd
_
setup
_
vendor(),
usbd
_
status()
September 10, 2007 Chapter 4 • USB Library Reference 55
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