Skip site navigation (1)Skip section navigation (2)
Date:      Wed, 8 Oct 1997 00:43:12 +0200
From:      j@uriah.heep.sax.de (J Wunsch)
To:        freebsd-hackers@FreeBSD.ORG
Cc:        nordwick@graft.xcf.berkeley.edu (Jason Alan Nordwick)
Subject:   Re: where is write/read/... syscalls ?
Message-ID:  <19971008004312.FC62676@uriah.heep.sax.de>
In-Reply-To: <199710072114.OAA01979@graft.xcf.berkeley.edu>; from Jason Alan Nordwick on Oct 7, 1997 14:14:58 -0700
References:  <199710072114.OAA01979@graft.xcf.berkeley.edu>

next in thread | previous in thread | raw e-mail | index | archive | help
As Jason Alan Nordwick wrote:

> When I use the libc call write or read or any of the syscalls, where is
> the code for them ?

The libc stubs are being created by src/lib/libc/sys/Makefile.inc.

>  is that libkern ?  is libkern all the kernel
> entry points ?

No, libkern is just the opposite: a collection of system library
(``libc'' if you want it) functions that are being used inside the
kernel.

>  then where is kernel code for the corresponding syscall ?

Scattered throughout the kernel.  See /sys/kern/syscalls.master, most
of the function entry points are in /sys/kern/.

-- 
cheers, J"org

joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE
Never trust an operating system you don't have sources for. ;-)



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?19971008004312.FC62676>