unbufcall man page on DigitalUNIX

unbufcall man page on DigitalUNIX

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unbufcall(9r)							 unbufcall(9r)

NAME
       unbufcall - STREAMS: Cancels a pending bufcall request

SYNOPSIS
       #include <sys/stream.h>

       void unbufcall(
	       int id );

ARGUMENTS
       Specifies  a  nonzero  identifier for the request to be canceled.  This
       nonzero identifier is returned to the module from a  previous  call  to
       the bufcall interface.

DESCRIPTION
       The unbufcall interface cancels a pending bufcall request. The id argu‐
       ment is a nonzero identifier for	 the  request  to  be  canceled.  This
       nonzero	identifier  is	returned to the module from a previous call to
       the bufcall interface.

       The unbufcall interface will not return until the pending  callback  is
       canceled	 or  has  run. Because of this, locks acquired by the callback
       interface should not be held across the call to unbufcall or a deadlock
       condition can occur.

RETURN VALUES
       None

SEE ALSO
       Kernel Interfaces: bufcall(9r)

								 unbufcall(9r)

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