USB_WAIT_ANCHOR_EMPT(9)                   USB Core APIs                   USB_WAIT_ANCHOR_EMPT(9)



NAME
       usb_wait_anchor_empty_timeout - wait for an anchor to be unused

SYNOPSIS
       int usb_wait_anchor_empty_timeout(struct usb_anchor * anchor, unsigned int timeout);

ARGUMENTS
       anchor
           the anchor you want to become unused

       timeout
           how long you are willing to wait in milliseconds

DESCRIPTION
       Call this is you want to be sure all an anchor's URBs have finished

RETURN
       Non-zero if the anchor became unused. Zero on timeout.

COPYRIGHT
Kernel Hackers Manual 4.8.                 January 2017                   USB_WAIT_ANCHOR_EMPT(9)