Date: Fri, 10 May 1996 18:20:25 +1000 From: Bruce Evans <bde@zeta.org.au> To: freebsd-hackers@FreeBSD.org, mihoko@pa.yokogawa.co.jp Cc: taketomi@pa.yokogawa.co.jp Subject: Re: a problem of setitimer() Message-ID: <199605100820.SAA03647@godzilla.zeta.org.au>
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>I'm running FreeBSD-2.1.0R. >I found the problem of realitexpire() [sys/kern/kern_time.c]. >If the time is late, the process which uses the system call >setitimer() can't get SIGALARM until the next timeout has come. >For example, the current time is 7:30 and the next timeout is 7:32, >then the time is changed to 7:15. >The process gets SIGALARM at 7:32, not at 7:17. >I suggest following coding. >How about? I think the correct fix is to adjust all the timers in settimeofday(). It now says /* WHAT DO WE DO ABOUT PENDING REAL-TIME TIMEOUTS??? */ and does nothing. Another fix is to never use settimeofday() :-). You should try to use it only immediately after booting. Bruce
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