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Re: fg/bg on FreeBSD.
- X-seq: zsh-workers 11233
- From: "Bart Schaefer" <schaefer@xxxxxxxxxxxxxxxxxxxxxxx>
- To: zsh-workers@xxxxxxxxxxxxxx
- Subject: Re: fg/bg on FreeBSD.
- Date: Sat, 6 May 2000 17:08:28 +0000
- In-reply-to: <hvo3dnvoh59.fsf@xxxxxxxxxxxxxxx>
- Mailing-list: contact zsh-workers-help@xxxxxxxxxxxxxx; run by ezmlm
- References: <hvo3dnvoh59.fsf@xxxxxxxxxxxxxxx>
On May 7, 12:03am, Tanaka Akira wrote:
} Subject: fg/bg on FreeBSD.
}
} On FreeBSD 3.4 and 4.0, fg/bg may not activate suspended process.
}
} Report the job info.
} echo's PID is 754 and it's already done.
} sleep's PID is 755 and it's suspended.
}
} | dhcp21% ps j755
} | USER PID PPID PGID SESS JOBC STAT TT TIME COMMAND
} | akr 755 753 755 92fdc0 1 T p1 0:00.00 sleep 10
Here's the same on linux:
zagzig[22] jobs -l
[1] + 2052 done echo |
2053 suspended sleep 10
zagzig[23] ps j2053
PPID PID PGID SID TTY TPGID STAT UID TIME COMMAND
2013 2053 2052 2013 pc 2054 T 674 0:00 sleep 10
Why is the PGID of sleep different on FreeBSD? Did it change after the
sleep was started because the echo exited?
Please try the same test, but replace "echo" with "sleep 9" so that you
can stop both jobs before either one of them exits. Then see what the
PGID of the second sleep is.
--
Bart Schaefer Brass Lantern Enterprises
http://www.well.com/user/barts http://www.brasslantern.com
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