From owner-freebsd-hackers Wed Jan 8 15:42:18 1997 Return-Path: Received: (from root@localhost) by freefall.freebsd.org (8.8.4/8.8.4) id PAA09091 for hackers-outgoing; Wed, 8 Jan 1997 15:42:18 -0800 (PST) Received: from wong.rogerswave.ca (a17b32.rogerswave.ca [204.92.17.32]) by freefall.freebsd.org (8.8.4/8.8.4) with ESMTP id PAA09058 for ; Wed, 8 Jan 1997 15:42:11 -0800 (PST) Received: (from wong@localhost) by wong.rogerswave.ca (8.7.5/8.7.3) id SAA00356; Wed, 8 Jan 1997 18:42:07 -0500 (EST) Date: Wed, 8 Jan 1997 18:42:07 -0500 (EST) From: Ken Wong X-Sender: wong@wong.rogerswave.ca Reply-To: wong@rogerswave.ca To: proff@suburbia.net cc: hackers@FreeBSD.ORG Subject: Re: mmap() updates...how often? In-Reply-To: <19970108014639.14401.qmail@suburbia.net> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-hackers@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk On Wed, 8 Jan 1997 proff@suburbia.net wrote: > > Why not just put them all in the same process group, and send the process > group a SIGUSR1 when new data is ready in the mmaped region? > Is Signal delivery quaranteed in FreeBSD? I mean if 2 or more signals are sent to a process at the same time. does it quene up the signals? Ken