cvs commit: src/sys/kern kern_lockf.c
jeff at FreeBSD.org
Wed Mar 19 00:13:24 PDT 2008
jeff 2008-03-19 07:13:24 UTC
FreeBSD src repository
- Fix the last of the threading bugs that were introduced as far back as
1.38 in 2001. Break out of the FOREACH_THREAD_IN_PROC loop when we've
discovered a new proc in the chain.
- Increment i and check for maxlockdepth once per matching process not
once per thread. This didn't properly terminate the loop before.
- Fix a bug which has existed potentially since rev 1.1. waitblock->lf_next
can be NULL when a thread has been woken-up but not yet scheduled. Check
for this condition rather than blindly dereferencing.
Found by: libMicro
Revision Changes Path
1.59 +12 -6 src/sys/kern/kern_lockf.c
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