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zsh 3.0 pre3 dumps core when... And a ksh emulation mode problem
- X-seq: zsh-workers 1761
- From: pmutsaer@xxxxxxxxxxxxxxxxxxxxx
- To: zsh-workers@xxxxxxxxxxxxxxx
- Subject: zsh 3.0 pre3 dumps core when... And a ksh emulation mode problem
- Date: Thu, 25 Jul 96 09:24:00 +0200
- Original-from: Peter Mutsaers <pmutsaer@xxxxxxxxxxxxxxxxxx>
- Sent-via: zsh-workers@xxxxxxxxxxxxxxx
Hello,
zsh 3.0 on SunOS 4.1.4, compiled with gcc 2.7.2 (both with and without
optimization) dumps core when called wish a shell script as argument.
e.g. if file tst contains only the line 'ps', then
'zsh tst' causes a core dump.
Note that . tst, or simply 'tst' (implicitly calling zsh) do not dump
core.
The report script also dumps core, so I cannot send a standard report.
Note that I use ksh emulation mode.
The stack trace (from gdb):
#0 0xef76f7b8 in fflush ()
#1 0x40a8c in printjob (jn=0xb3900, lng=0, synch=0) at jobs.c:343
#2 0x3fa68 in update_job (jn=0xb3900) at jobs.c:176
#3 0x59e18 in handler (sig=20) at signals.c:508
#4 <signal handler called>
#5 0xef76e898 in sigpause ()
#6 0x598ec in signal_suspend (sig=20, sig2=0) at signals.c:321
#7 0x413d8 in waitjob (job=1, sig=0) at jobs.c:510
#8 0x416b0 in waitjobs () at jobs.c:560
#9 0x1e860 in execpline (l=0xc13f8, how=2, last1=0) at exec.c:697
#10 0x1dfc4 in execlist (list=0xc1464, dont_change_job=0, exiting=0)
at exec.c:522
#11 0x3ba04 in loop (toplevel=1) at init.c:129
#12 0x3b788 in main (argc=2, argv=0xeffff4d4) at init.c:77
I hope you can see something from this.
Another thing, concering ksh emulation mode:
On SunOS 4.1.4 ksh will call /bin/ksh on executable shell scripts
without #! on the first line. zsh will allways call /bin/sh.
This breaks some ksh scripts for me.
Is it possible to call /bin/ksh for such subshells instead of /bin/sh,
when in ksh emulation mode? (For now I simply modified /bin/sh in exec.c)
Regards,
--
Peter Mutsaers
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