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/xnu-11215/bsd/kern/
H A Dkern_proc.c714 uint32_t o_bits, n_bits; in proc_rele() local
718 os_atomic_rmw_loop(&p->p_refcount, o_bits, n_bits, release, { in proc_rele()
719 n_bits = o_bits - (1u << P_REF_BITS); in proc_rele()
720 if ((n_bits >> P_REF_BITS) == 1) { in proc_rele()
721 n_bits &= ~P_REF_DRAINING; in proc_rele()
730 if (__improbable((o_bits & P_REF_DRAINING) && !(n_bits & P_REF_DRAINING))) { in proc_rele()