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Date: Fri, 06 Jun 2008 15:59:09 +0200
From: Andi Kleen <andi@...stfloor.org>
To: Scott Wiersdorf <scott@...lcode.org>
Cc: Balbir Singh <balbir@...ibm.com>, linux-kernel@...r.kernel.org,
akpm@...ux-foundation.org, matt@...ehost.com
Subject: Re: [PATCH 2.6.25-4] getdelays.c: signal handling for log rotation
Scott Wiersdorf <scott@...lcode.org> writes:
> This adds a USR1 signal handler to getdelays.c, which causes getdelays
> to close its logfile and reopen it (if '-w logfile' is
> specified). This is useful in situations when getdelays is running for
> a long time (i.e, the log file growing) and you need to rotate the
> logs but don't want to lose any log data.
You could do the same by sending SIGSTOP; copy file; truncate file; SIGCONT
-Andi
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