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rlp
2006 Jun 02
5
Read-write locks in libzpool
Hi,
I think I found a bug in the rw_enter() implementation (emulation?) in
libzpool, file /usr/src/lib/libzpool/common/kernel.c:
void
rw_enter(krwlock_t *rwlp, krw_t rw)
{
ASSERT(!RW_LOCK_HELD(rwlp));
ASSERT(rwlp->rw_owner != (void *)-1UL);
ASSERT(rwlp->rw_owner != curthread);
if (rw == RW_READER)
(void) rw_rdlock(&rwlp->rw_lock);
else
(void) rw_wrlock(&rwlp->rw_lock);
rwlp->rw_owner = curthread;
}
Doesn''t RW_...