Re: 3.0-pre3 fails on CRAY-YMP

[joda@pdc.kth.se (Johan Danielsson)]

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> > The second is that there are a couple of calls to setlimits in
> > exec.c which aren't protected with #ifdef's for getrlimits, which
> > the Cray appears to lack.

Ok, this is a new bug in pre2 or pre3. This is the quick patch:

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RCS file: RCS/exec.c,v
retrieving revision 1.1
diff -u -r1.1 exec.c
--- exec.c      1996/07/24 17:16:34     1.1
+++ exec.c      1996/07/24 17:16:46
@@ -1686,8 +1686,10 @@
            }
            if (type == SIMPLE) {
                closem(1);
+#ifdef HAVE_GETRLIMIT
                if (!forked)
                    setlimits(NULL);
+#endif
                execute((Cmdnam) hn, cflags & BINF_DASH);
            } else {            /* ( ... ) */
                list_pipe = 0;

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However, shouldn't the ifdef stuff be in zsetlimit? This way you don't
have to add ifdefs in every place you want to change limits.


> One other problem I have is that it fails to change the terminal
> settings (with stty) - it looks like they get reset back when stty
> exits (and no I don't have that option on).

This is the symptoms. I haven't had time to look into this, it is a bit
hard to debug these things without a working debugger :-)

$ stty 
speed 9600 baud; -parity hupcl -cread 
rows = 32; columns = 80; ypixels = 0; xpixels = 0;
erase = ^h; 
brkint -inpck icrnl -ixany onlcr tab3 
echo echoe echok iexten 
$ stty erase '^?'
$ stty
speed 9600 baud; -parity hupcl -cread 
rows = 32; columns = 80; ypixels = 0; xpixels = 0;
erase = ^h; 
brkint -inpck icrnl -ixany onlcr tab3 
echo echoe echok iexten 
$ exec /bin/bash
$ stty erase
$ stty
speed 9600 baud; -parity hupcl -cread 
rows = 32; columns = 80; ypixels = 0; xpixels = 0;
erase = ^h; 
brkint -inpck icrnl -ixany onlcr tab3 
echo echoe echok iexten 
$ stty erase '^?'
$ stty # note that the erase character has changed
speed 9600 baud; -parity hupcl -cread 
rows = 32; columns = 80; ypixels = 0; xpixels = 0;
brkint -inpck icrnl -ixany onlcr tab3 
echo echoe echok iexten 
$ exec ./zsh
/scratch/joda/zsh-3.0-pre3/Src>stty
speed 9600 baud; -parity hupcl -cread 
rows = 32; columns = 80; ypixels = 0; xpixels = 0;
brkint -inpck icrnl -ixany onlcr tab3 
echo echoe echok iexten 
$ stty erase '^h'
$ stty
speed 9600 baud; -parity hupcl -cread 
rows = 32; columns = 80; ypixels = 0; xpixels = 0;
brkint -inpck icrnl -ixany onlcr tab3 
echo echoe echok iexten 

/Johan