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< Erlang bugs mailing list ~ Incomplete processing of "-eval" with closed stdin |
| Guest |
 Posted: Mon Dec 21, 2009 6:02 am |
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Guest
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Hi,
I recently found that a small script of mine, run by passing Erlang code
as an argument to "erl -eval", was failing when run by cron. I could
easily reproduce the problem on the command line using this example:
$ erl -eval 'io:fwrite("before\n"), receive after 1000 -> ok end,
io:fwrite("after\n"), init:stop().' < /dev/null
Eshell V5.7.4 (abort with ^G)
before
1> *** Terminating erlang (nonode@nohost)
It seems like init is terminating the VM as soon as it detects that
stdin is closed, which is almost immediately.
Obviously my script should have had "-noshell" and adding it fixes the
problem. However, it does seem like a bug that the code passed by -eval
is cut off while still executing.
Perhaps "-noshell" should be applied automatically when erl is started
with stdin already closed?
I'm using R13B03.
Sam.
--
Sam Bobroff | sam@m5net.com | M5 Networks
Why does my email have those funny headers? Because I use PGP to sign
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| wuji |
| Posted: Fri Sep 14, 2012 6:18 am |
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Joined: 10 Aug 2012
Posts: 654
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