[src/kqueue]: src/sys/sys add SB_KNOTE (kernel note attached), and prototype ...

[lukem <lukem%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/34f48c1c66aa
branches:  kqueue
changeset: 512344:34f48c1c66aa
user:      lukem <lukem%NetBSD.org@localhost>
date:      Tue Jul 10 13:27:27 2001 +0000

description:
add SB_KNOTE (kernel note attached), and prototype for soo_kqfilter()

diffstat:

 sys/sys/socketvar.h |  8 ++++++--
 1 files changed, 6 insertions(+), 2 deletions(-)

diffs (43 lines):

diff -r 3151b9c16bcc -r 34f48c1c66aa sys/sys/socketvar.h
--- a/sys/sys/socketvar.h       Tue Jul 10 13:26:42 2001 +0000
+++ b/sys/sys/socketvar.h       Tue Jul 10 13:27:27 2001 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: socketvar.h,v 1.49 2001/07/01 20:42:48 matt Exp $      */
+/*     $NetBSD: socketvar.h,v 1.49.2.1 2001/07/10 13:27:27 lukem Exp $ */
 
 /*-
  * Copyright (c) 1982, 1986, 1990, 1993
@@ -109,6 +109,8 @@
 #define        SB_ASYNC        0x10            /* ASYNC I/O, need signals */
 #define        SB_UPCALL       0x20            /* someone wants an upcall */
 #define        SB_NOINTR       0x40            /* operations not interruptible */
+       /* XXXLUKEM: 0x80 left for FreeBSD's SB_AIO */
+#define        SB_KNOTE        0x100           /* kernel note attached */
 
        void            *so_internal;   /* Space for svr4 stream data */
        void            (*so_upcall) __P((struct socket *so, caddr_t arg,
@@ -154,7 +156,7 @@
  * Do we need to notify the other side when I/O is possible?
  */
 #define        sb_notify(sb)   (((sb)->sb_flags & \
-       (SB_WAIT | SB_SEL | SB_ASYNC | SB_UPCALL)) != 0)
+       (SB_WAIT | SB_SEL | SB_ASYNC | SB_UPCALL | SB_KNOTE)) != 0)
 
 /*
  * How much space is there in a socket buffer (so->so_snd or so->so_rcv)?
@@ -249,6 +251,7 @@
 struct proc;
 struct msghdr;
 struct stat;
+struct knote;
 
 /*
  * File operations on sockets.
@@ -260,6 +263,7 @@
 int    soo_fcntl(struct file *fp, u_int cmd, caddr_t data, struct proc *p);
 int    soo_ioctl(struct file *fp, u_long cmd, caddr_t data, struct proc *p);
 int    soo_poll(struct file *fp, int events, struct proc *p);
+int    soo_kqfilter(struct file *fp, struct knote *kn);
 int    soo_close(struct file *fp, struct proc *p);
 int    soo_stat(struct file *fp, struct stat *ub, struct proc *p);
 int    uipc_usrreq(struct socket *, int , struct mbuf *,