| accf_http.9 (68853) | accf_http.9 (68880) |
|---|---|
| 1.\" 2.\" Copyright (c) 2000 Alfred Perlstein 3.\" 4.\" All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: --- 9 unchanged lines hidden (view full) --- 18.\" IN NO EVENT SHALL THE DEVELOPERS BE LIABLE FOR ANY DIRECT, INDIRECT, 19.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25.\" | 1.\" 2.\" Copyright (c) 2000 Alfred Perlstein 3.\" 4.\" All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: --- 9 unchanged lines hidden (view full) --- 18.\" IN NO EVENT SHALL THE DEVELOPERS BE LIABLE FOR ANY DIRECT, INDIRECT, 19.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25.\" |
| 26.\" $FreeBSD: head/share/man/man9/accf_http.9 68853 2000-11-17 09:16:29Z ben $ | 26.\" $FreeBSD: head/share/man/man9/accf_http.9 68880 2000-11-18 20:16:47Z ben $ |
| 27.\" " 28.Dd November 15, 2000 29.Os FreeBSD 30.Dt accf_http 9 31.Sh NAME 32.Nm accf_http 33.Nd buffer incoming connections until a certain complete HTTP requests arrive 34.Sh SYNOPSIS --- 11 unchanged lines hidden (view full) --- 46been buffered by the kernel. 47.Pp 48If something other than a HTTP/1.0 or 49HTTP/1.1 HEAD or GET request is received the kernel will 50allow the application to receive the connection descriptor 51via 52.Fn accept . 53.Pp | 27.\" " 28.Dd November 15, 2000 29.Os FreeBSD 30.Dt accf_http 9 31.Sh NAME 32.Nm accf_http 33.Nd buffer incoming connections until a certain complete HTTP requests arrive 34.Sh SYNOPSIS --- 11 unchanged lines hidden (view full) --- 46been buffered by the kernel. 47.Pp 48If something other than a HTTP/1.0 or 49HTTP/1.1 HEAD or GET request is received the kernel will 50allow the application to receive the connection descriptor 51via 52.Fn accept . 53.Pp |
| 54The utlity of | 54The utility of |
| 55.Xr accf_http 9 56is such that a server will not have to context switch several times 57before performing the initial parsing of the request. 58This effectively reduces the amount of required CPU utilization 59to handle incoming requests be keeping active 60processes in preforking servers such as Apache low 61and reducing the size of the filedescriptor set that needs 62to be managed by interfaces such as --- 35 unchanged lines hidden --- | 55.Xr accf_http 9 56is such that a server will not have to context switch several times 57before performing the initial parsing of the request. 58This effectively reduces the amount of required CPU utilization 59to handle incoming requests be keeping active 60processes in preforking servers such as Apache low 61and reducing the size of the filedescriptor set that needs 62to be managed by interfaces such as --- 35 unchanged lines hidden --- |