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Mon, 28 Mar 2022 09:44:21 -0700 (PDT) MIME-Version: 1.0 References: <1409134730.698961.1648457237653@mail2.virginmedia.com> <1613542531.711035.1648478945973@mail2.virginmedia.com> <1830314137.713553.1648484054367@mail2.virginmedia.com> In-Reply-To: <1830314137.713553.1648484054367@mail2.virginmedia.com> From: Bart Schaefer Date: Mon, 28 Mar 2022 09:44:10 -0700 Message-ID: Subject: Re: Crash on jobstates since workers/49783 (commit 6a8aa2a) To: Peter Stephenson Cc: Zsh hackers list Content-Type: text/plain; charset="UTF-8" X-Seq: 49904 Archived-At: X-Loop: zsh-workers@zsh.org Errors-To: zsh-workers-owner@zsh.org Precedence: list Precedence: bulk Sender: zsh-workers-request@zsh.org X-no-archive: yes List-Id: List-Help: List-Subscribe: List-Unsubscribe: List-Post: List-Owner: List-Archive: On Mon, Mar 28, 2022 at 9:14 AM Peter Stephenson wrote: > > We have two options here: either keep jobstates for top level jobs > and introduce a separate one for the last thing started in the current > shell, or decide on the fly that we're no longer interested in the > parent shell. It's not just "the last thing started" that's wanted, it's a list of every process that was started. So although it's a bit magical that backgrounding a job clears the job table, that seems the better of those two alternatives. Another possibility that occurs to me is for the values in $jobstates to change. ... The keys are the job numbers and the values are strings of the form 'JOB-STATE:MARK:PID=STATE...'. The JOB-STATE gives the state the whole job is currently in, one of 'running', 'suspended', or 'done'. What if JOB-STATE became "parent" in the subshell? Or something along those lines. I guess that goes back to having to make a deep copy of the saved job structure. Incidentally: % sleep 10 & print -aC2 ${(kv)jobstates}; (jobs -l; print -aC2 ${(kv)jobstates}) [1] 69151 1 running:+:69151=running [1] + 69151 running sleep 10 1 running:+ How is it that "jobs -l" still knows the PID from the parent job, but $jobstates cannot report it?