Re: [PATCH 2.6.25-4] getdelays.c: signal handling for log rotation

[Andi Kleen]

Scott Wiersdorf <scott@xxxxxxxxxxxx> 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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