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Encapsulate the test for sending a notification in a macro, sb_notify().

This commit is contained in:
mycroft 1995-08-04 01:14:55 +00:00
parent d55e0dddac
commit f0b7d011a4
1 changed files with 6 additions and 2 deletions
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8
sys/sys/socketvar.h
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@ -1,4 +1,4 @@
/* $NetBSD: socketvar.h,v 1.14 1995/03/26 20:24:47 jtc Exp $ */
/* $NetBSD: socketvar.h,v 1.15 1995/08/04 01:14:55 mycroft Exp $ */
/*-
* Copyright (c) 1982, 1986, 1990, 1993
@ -91,7 +91,6 @@ struct socket {
#define SB_WAIT 0x04 /* someone is waiting for data/space */
#define SB_SEL 0x08 /* someone is selecting */
#define SB_ASYNC 0x10 /* ASYNC I/O, need signals */
#define SB_NOTIFY (SB_WAIT|SB_SEL|SB_ASYNC)
#define SB_NOINTR 0x40 /* operations not interruptible */
caddr_t so_tpcb; /* Wisc. protocol control block XXX */
@ -120,6 +119,11 @@ struct socket {
* Macros for sockets and socket buffering.
*/
/*
* 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)) != 0)
/*
* How much space is there in a socket buffer (so->so_snd or so->so_rcv)?
* This is problematical if the fields are unsigned, as the space might