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Re: tee logs no output if stdout is closed
From: |
Andreas Schwab |
Subject: |
Re: tee logs no output if stdout is closed |
Date: |
Tue, 01 Jul 2008 00:36:53 +0200 |
User-agent: |
Gnus/5.110009 (No Gnus v0.9) Emacs/22.2 (gnu/linux) |
Phillip Susi <address@hidden> writes:
> Andreas Schwab wrote:
>> Bruno Haible <address@hidden> writes:
>>
>>> How about adding an option '-p' to 'tee', that causes it to ignore SIGPIPE
>>> while writing to stdout?
>>
>> Just add a trap '' SIGPIPE before starting tee.
>
> Wouldn't that only trap SIGPIPE sent to the shell, not tee?
Ignored signals are inherited.
> Aren't all signal handlers reset on exec()?
Only handled signals.
> It seems to me that tee should have a SIGPIPE handler which closes the
> broken fd and stops trying to write to it, and if ALL outputs have been
> closed, exit.
That would not be compatible with POSIX.
Andreas.
--
Andreas Schwab, SuSE Labs, address@hidden
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
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