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/bind-9.11.3/lib/isc/
H A Drwlock.c603 isc_int32_t prev_cnt; local
614 prev_cnt = atomic_fetch_sub_explicit(&rwl->cnt_and_flag,
618 prev_cnt = isc_atomic_xadd(&rwl->cnt_and_flag, -READER_INCR);
625 if (prev_cnt == READER_INCR &&

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