1USB_WAIT_ANCHOR_EMPT(9)          USB Core APIs         USB_WAIT_ANCHOR_EMPT(9)
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NAME

6       usb_wait_anchor_empty_timeout - wait for an anchor to be unused
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SYNOPSIS

9       int usb_wait_anchor_empty_timeout(struct usb_anchor * anchor,
10                                         unsigned int timeout);
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ARGUMENTS

13       anchor
14           the anchor you want to become unused
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16       timeout
17           how long you are willing to wait in milliseconds
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DESCRIPTION

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

23       Non-zero if the anchor became unused. Zero on timeout.
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26Kernel Hackers Manual 3.10         June 2019           USB_WAIT_ANCHOR_EMPT(9)
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