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Bug fix for obscenely large wait times on uncontested locks

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if waittime was zero (the lock was uncontested) l->lpo_waittime
in the hash table would not get initialized.

Inspection prompted by questions from: Attilio Rao
This commit is contained in:
Kip Macy 2006-12-04 22:15:50 +00:00
parent 7ee00338c5
commit aa077979f6
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=164889
1 changed files with 4 additions and 4 deletions
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8
sys/kern/subr_lock.c
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@ -260,10 +260,10 @@ st char *file, int line)
l->lpo_filename = file;
l->lpo_lineno = line;
l->lpo_acqtime = nanoseconds();
if (waittime) {
if (l->lpo_acqtime > waittime)
l->lpo_waittime = l->lpo_acqtime - waittime;
}
if (waittime && (l->lpo_acqtime > waittime))
l->lpo_waittime = l->lpo_acqtime - waittime;
else
l->lpo_waittime = 0;
}
}