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freebsd/share/man/man9/BUS_CREATE_INTR.9
1998-09-03 21:52:05 +00:00

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.\" -*- nroff -*-
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.\" Copyright (c) 1998 Doug Rabson
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.Dd June 16, 1998
.Os
.Dt BUS_CREATE_INTR 9
.Os FreeBSD
.Sh NAME
.Nm BUS_CREATE_INTR
.Nd create an interrupt handler
.Sh SYNOPSIS
.Fd #include <sys/param.h>
.Fd #include <sys/bus.h>
.Ft void *
.Fn BUS_CREATE_INTR "device_t dev" "device_t child" "int irq" "driver_intr_t *intr" "void *arg"
.Sh DESCRIPTION
.Pp
The method
.Xr BUS_CREATE_INTR 9
creates an interrupt handler for the child device. The handler
.Fa intr
will be called with the value
.Fa arg
as its only argument.
The handle returned can be used in a call to
.Xr BUS_CONNECT_INTR 9
to activate the handler.
.Sh RETURN VALUES
An opaque handle which can be used to activate the interrupt is
returned if the call is successful, otherwise NULL is returned.
.Sh SEE ALSO
.Xr device 9 ,
.Xr driver 9 ,
.Xr BUS_CONNECT_INTR 9
.Sh BUGS
This interface is probably inadequate and is subject to change.
.Sh AUTHORS
This man page was written by
.An Doug Rabson .