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The pessimistic rounding in hzto() was too pessimistic for realitimexpire().
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svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=9327
@ -31,7 +31,7 @@
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* SUCH DAMAGE.
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*
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* @(#)kern_time.c 8.1 (Berkeley) 6/10/93
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* $Id: kern_time.c,v 1.7 1995/03/16 18:12:38 bde Exp $
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* $Id: kern_time.c,v 1.8 1995/05/30 08:05:47 rgrimes Exp $
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*/
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#include <sys/param.h>
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@ -295,6 +295,10 @@ setitimer(p, uap, retval)
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* Else compute next time timer should go off which is > current time.
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* This is where delay in processing this timeout causes multiple
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* SIGALRM calls to be compressed into one.
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* hzto() always adds 1 to allow for the time until the next clock
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* interrupt being strictly less than 1 clock tick, but we don't want
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* that here since we want to appear to be in sync with the clock
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* interrupt even when we're delayed.
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*/
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void
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realitexpire(arg)
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@ -315,7 +319,7 @@ realitexpire(arg)
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&p->p_realtimer.it_interval);
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if (timercmp(&p->p_realtimer.it_value, &time, >)) {
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timeout(realitexpire, (caddr_t)p,
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hzto(&p->p_realtimer.it_value));
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hzto(&p->p_realtimer.it_value) - 1);
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splx(s);
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return;
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}
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