From mboxrd@z Thu Jan  1 00:00:00 1970
From: random832@fastmail.com (Random832)
Date: Sat, 25 Mar 2017 01:01:51 -0400
Subject: [TUHS] Were all of you.. Hippies?
In-Reply-To: <CAD-qYGrYog+GQE_h1OMNbuoGpj=KP9rhH8Z5wtMMLFZ+Ci-r9Q@mail.gmail.com>
References: <alpine.BSF.2.20.1703210907060.42626@aneurin.horsfall.org>
 <009301d2a1c9$cb604c70$6220e550$@ronnatalie.com>
 <CAP6exY+DHdf2BZYy=40wLjYabtkeKOtbp3aWMkwdaDmLFYhR2A@mail.gmail.com>
 <20170321202839.GG21805@naleco.com>
 <alpine.NEB.2.20.1703231512420.1796@neener.bl.org>
 <CAP6exYJTHnR2FGL+quJ48R_x9Dg2nXN9dnx7QM8vAJMMSSp39w@mail.gmail.com>
 <20170324001832.GA13511@naleco.com> <20170324002754.GW23802@mcvoy.com>
 <CAP6exYK__gOcSb8YSz_3KYZvG5DEV0cvDAqqEdtJ95TF=tG+kQ@mail.gmail.com>
 <CAD-qYGrpzBxBGKrnDn8eokhO2CAaoUC8Xo=QpXZdNizyh9RYbQ@mail.gmail.com>
 <20170324034915.GA23802@mcvoy.com>
 <CAD-qYGrYog+GQE_h1OMNbuoGpj=KP9rhH8Z5wtMMLFZ+Ci-r9Q@mail.gmail.com>
Message-ID: <1490418111.873845.922914640.6B33341A@webmail.messagingengine.com>

On Fri, Mar 24, 2017, at 20:41, Andrew Warkentin wrote:
> As I said before, UX/RT will take file-oriented architecture even
> further than Plan 9 does. fork() and some thread-related APIs will be
> pretty much the only APIs implemented as non-file-based primitives.
> Pretty much the entire POSIX/Linux API will be implemented although
> most non-file-based system calls will have file-based implementations
> underneath (for example, getpid() will do a readlink() of /proc/self
> to get the PID).

Does readlink need to exist as a system call? Maybe it should be
possible to open and read a symbolic link - using a flag passed to open,
like AT_SYMLINK_NOFOLLOW.