jhb 2008-06-26 13:51:25 UTC
FreeBSD src repository
Modified files:
sys/sys semaphore.h
Log:
SVN rev 180032 on 2008-06-26 13:51:25Z by jhb
Change SEM_VALUE_MAX (maximum value of a POSIX semaphore) from UINT_MAX
to INT_MAX. Otherwise, a process could create a semaphore (or increase
its value via ksem_post()) beyond INT_MAX and sem_getvalue() would return
a negative value. sem_getvalue() is only supposed to return a negative
value if that is the number of waiters for that semaphore.
MFC after: 2 weeks
Revision Changes Path
1.13 +3 -1 src/sys/sys/semaphore.h
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