quntimeout(9F) Kernel Functions for Drivers 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
quntimeout() 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 cancelled 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 module close returns. All outstanding timeouts and bufcalls must be cancelled
before a driver close routine can block and before the close routine calls qprocsoff(9F).
RETURN VALUES
quntimeout() returns -1 if the id is not found. Otherwise, quntimeout() returns a 0 or positive value.
CONTEXT
quntimeout() can be called from user or interrupt context.
SEE ALSO mt-streams(9F), qbufcall(9F), qtimeout(9F), qunbufcall(9F)
Writing Device Drivers
STREAMS Programming Guide
SunOS 5.10 17 Oct 2002 quntimeout(9F)
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quntimeout(9F) Kernel Functions for Drivers 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
quntimeout() 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 cancelled 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 module close returns. All outstanding timeouts and bufcalls must be cancelled
before a driver close routine can block and before the close routine calls qprocsoff(9F).
RETURN VALUES
quntimeout() returns -1 if the id is not found. Otherwise, quntimeout() returns a 0 or positive value.
CONTEXT
quntimeout() can be called from user or interrupt context.
SEE ALSO mt-streams(9F), qbufcall(9F), qtimeout(9F), qunbufcall(9F)
Writing Device Drivers
STREAMS Programming Guide
SunOS 5.10 17 Oct 2002 quntimeout(9F)
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