Re: bin/58687: sh: implement suspend builtin

["Valery Ushakov via gnats" <gnats-admin%NetBSD.org@localhost>]

The following reply was made to PR bin/58687; it has been noted by GNATS.

From: Valery Ushakov <uwe%stderr.spb.ru@localhost>
To: gnats-bugs%netbsd.org@localhost
Cc: 
Subject: Re: bin/58687: sh: implement suspend builtin
Date: Mon, 23 Sep 2024 23:49:20 +0300

 On Sun, Sep 22, 2024 at 20:00:03 +0000, Robert Elz via gnats wrote:
 
 >  TSTP if you prefer (that kind of difference is one reason why
 >  this is better as a user specific option) - I prefer SIGSTOP
 >  as that way the target process has no option, with TSTP it
 >  can simply say "no thanks" and continue.   But TSTP allows
 >  the process to tidy up before stopping, which STOP doesn't.
 
 Come to think of it, that sounds like another argument in favor of
 providing "suspend" as a bultin.  B/c in that case the shell know it's
 going to signal itself, so it can send inexorable SIGSTOP, but do any
 necessary preparations in advance, this side of signal().
 
 -uwe