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quntimeout(9f)

quntimeout(9F)                 Kernel Functions                 quntimeout(9F)



NAME
       quntimeout - cancel previous qtimeout function call

SYNOPSIS
       #include <sys/stream.h>
       #include <sys/ddi.h>

       clock_t quntimeout(queue_t *q, timeout_id_t id);

INTERFACE LEVEL
       Solaris DDI specific (Solaris DDI).

PARAMETERS
       q     Pointer to a STREAMS queue structure.


       id    Opaque timeout ID a previous qtimeout(9F) call.


DESCRIPTION
       The  quntimeout()  function cancels a pending qtimeout(9F) request. The
       quntimeout() function is tailored to be used with the enhanced  STREAMS
       framework  interface, which is based on the concept of perimeters. (See
       mt-streams(9F).) quntimeout() returns when the timeout  has  been  can‐
       celled  or finished executing. The timeout will be cancelled even if it
       is blocked at the perimeters associated with  the  queue.  quntimeout()
       should be executed for all outstanding timeouts before a driver or mod‐
       ule close returns. All outstanding timeouts and bufcalls must  be  can‐
       celled  before  a  driver  close routine can block and before the close
       routine calls qprocsoff(9F).

RETURN VALUES
       The quntimeout() function returns -1 if the id is not found. Otherwise,
       quntimeout() returns a 0 or positive value.

CONTEXT
       The quntimeout() function can be called from user, interrupt, or kernel
       context.

SEE ALSO
       mt-streams(9F), qbufcall(9F), qtimeout(9F), qunbufcall(9F)


       Writing Device Drivers in Oracle Solaris 11.4


       STREAMS Programming Guide



Oracle Solaris 11.4               16 Jan 2006                   quntimeout(9F)
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