From mboxrd@z Thu Jan  1 00:00:00 1970
From: der.herr@hofr.at (Nicholas Mc Guire)
Date: Fri, 17 Aug 2018 00:49:53 +0000
Subject: System call vs POSIX call
In-Reply-To: <137200.1534448689@turing-police.cc.vt.edu>
References: <CAPY=qRTqzM=q8P0n4SWvMhxoWttv8ZqEReq3vQmkBjCG-Nv3NA@mail.gmail.com>
 <20180816162929.GA12967@osadl.at>
 <137200.1534448689@turing-police.cc.vt.edu>
Message-ID: <20180817004953.GA11799@osadl.at>
To: kernelnewbies@lists.kernelnewbies.org
List-Id: kernelnewbies.lists.kernelnewbies.org

On Thu, Aug 16, 2018 at 03:44:49PM -0400, valdis.kletnieks at vt.edu wrote:
> On Thu, 16 Aug 2018 16:29:29 -0000, Nicholas Mc Guire said:
> 
> > Note that you can do system calls directly with system() but that is
> > generaly not how you do it - you to through the glibc calls
> > which do some checks before invoking the actual system call.
> 
> system() does a fork/exec of a process.
> 
> syscall() issues an arbitrary system call, but all marshalling of
> parameters and return codes becomes your problem

yup - sorry - my bad - thats what I actually had in mind
but did not check.

thanks for your correction !

thx!
hofrat