Date: Fri, 18 Sep 2009 10:45:11 +0300 From: Kostik Belousov <kostikbel@gmail.com> To: Stacey Son <sson@freebsd.org> Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org Subject: Re: svn commit: r197240 - in head/sys: kern sys Message-ID: <20090918074511.GJ47688@deviant.kiev.zoral.com.ua> In-Reply-To: <200909160315.n8G3FvBB010648@svn.freebsd.org> References: <200909160315.n8G3FvBB010648@svn.freebsd.org>
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--CuSbO2Y8pb0HqfpG Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Sep 16, 2009 at 03:15:57AM +0000, Stacey Son wrote: > Author: sson > Date: Wed Sep 16 03:15:57 2009 > New Revision: 197240 > URL: http://svn.freebsd.org/changeset/base/197240 >=20 > Log: > Add optional touch event filter hooks to kevents. > =20 > The touch event filter is called when a kernel event data is possibly > updated. There are two hook points. First, during a kevent() system > call. Second, when an event has been triggered. > =20 > Approved by: rwatson (co-mentor) >=20 > Modified: > head/sys/kern/kern_event.c > head/sys/sys/event.h >=20 > Modified: head/sys/sys/event.h > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D > --- head/sys/sys/event.h Tue Sep 15 22:46:06 2009 (r197239) > +++ head/sys/sys/event.h Wed Sep 16 03:15:57 2009 (r197240) > struct filterops { > int f_isfd; /* true if ident =3D=3D filedescriptor */ > int (*f_attach)(struct knote *kn); > void (*f_detach)(struct knote *kn); > int (*f_event)(struct knote *kn, long hint); > + void (*f_touch)(struct knote *kn, struct kevent *kev, long type); > }; > =20 > /* > @@ -193,6 +204,7 @@ struct knote { > } kn_ptr; > struct filterops *kn_fop; > void *kn_hook; > + int kn_hookid; > =20 You may want to add required padding to struct filterops and struct knote on stable/8 branch now, to be able to merge this after 8.0 is released without breaking KBI. --CuSbO2Y8pb0HqfpG Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (FreeBSD) iEYEARECAAYFAkqzOoYACgkQC3+MBN1Mb4gpbwCgu+l2rFUX0ELvCp64r6GL1Sn/ YQwAoNiWBTblP3ibXNcX4qrHvJVEDdZ/ =j5yl -----END PGP SIGNATURE----- --CuSbO2Y8pb0HqfpG--
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