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64 lines
2.4 KiB
Plaintext
64 lines
2.4 KiB
Plaintext
From chet@odin.INS.CWRU.Edu Thu Mar 7 19:16:25 1991
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Flags: 50
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Received: from odin.INS.CWRU.Edu by usenet.INS.CWRU.Edu with SMTP (5.61+ida+/CWRU-1.4-UUCPGW)
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id AA00967; Thu, 7 Mar 91 19:16:25 -0500 (from chet@odin.INS.CWRU.Edu for /usr/local/bin/m2mbox /usr/homes/chet/mbox)
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Received: by odin.INS.CWRU.Edu (5.65+ida+/CWRU-1.4-ins)
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id AA04437; Thu, 7 Mar 91 19:15:31 -0500 (from chet for chet@usenet.INS.CWRU.Edu)
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Date: Thu, 7 Mar 91 19:10:00 -0500
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From: Chet Ramey <chet@odin.INS.CWRU.Edu>
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To: jacob@blackbox.gore.com
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Subject: Re: Library function redefinition
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Cc: chet@odin.INS.CWRU.Edu, bfox@ai.mit.edu
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Reply-To: chet@po.CWRU.Edu
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In-Reply-To: Message from jacob@blackbox.gore.com of Sun, 3 Mar 91 19:18:54 MST
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Message-Id: <9103080010.AA04427.SM@odin.INS.CWRU.Edu>
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Read-Receipt-To: chet@po.CWRU.Edu
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> Now that you're working on bash for NeXT, let me ask you if you've run into
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> this bug under 2.0: bash, as a login shell, hangs on rlogin into the NeXT.
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> But it works fine on telnet. On rlogin, I even get no output to stdout
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> from the 'tset' (or debugging 'echo's) in my startup files.
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It's getting stuck in initialize_jobs (). There is a bug in the NeXT
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/usr/etc/rlogind that causes bash to be started with the terminal still
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belonging to the rlogind process, and its process group set to 0 (so
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that getpgrp() returns 0 (!)). It looks like there's a stray setpgrp(0, 0)
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in the rlogind code that NeXT is not handling like 4.3 BSD.
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(Another bug that I've found with NeXT 2.0 is that Terminal starts up the
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shell underneath it with argc == 0 and argv[0] = "-". Not polite.
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`mount -vat nfs' seems to be broken too. Any more good ones I should look
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for?)
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Here's a diff to jobs.c to work around it. Your line numbers will certainly
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vary (for all I know, the code might, too).
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Chet
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*** jobs.c~ Tue Mar 5 17:41:00 1991
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--- jobs.c Thu Mar 7 18:50:12 1991
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***************
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*** 1839,1842 ****
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--- 1839,1852 ----
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}
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+ #if defined (NeXT)
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+ /* This is to compensate for a bug in the NeXT 2.0 /usr/etc/rlogind. */
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+ if (shell_pgrp == 0)
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+ {
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+ shell_pgrp = getpid ();
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+ setpgid (0, shell_pgrp);
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+ tcsetpgrp (shell_tty, shell_pgrp);
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+ }
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+ #endif /* NeXT */
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+
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while ((terminal_pgrp = tcgetpgrp (shell_tty)) != -1)
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{
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--
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Chet Ramey ``Now, somehow we've brought our sins
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Network Services Group back physically -- and they're
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Case Western Reserve University pissed.''
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chet@ins.CWRU.Edu My opinions are just those, and mine alone.
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