58 ck_pflock_init(struct ck_pflock *pf)  in ck_pflock_init()  argument
61 	pf->rin = 0;  in ck_pflock_init()
62 	pf->rout = 0;  in ck_pflock_init()
63 	pf->win = 0;  in ck_pflock_init()
64 	pf->wout = 0;  in ck_pflock_init()
71 ck_pflock_write_unlock(ck_pflock_t *pf)  in ck_pflock_write_unlock()  argument
77 	ck_pr_and_32(&pf->rin, CK_PFLOCK_LSB);  in ck_pflock_write_unlock()
80 	ck_pr_faa_32(&pf->wout, 1);  in ck_pflock_write_unlock()
85 ck_pflock_write_lock(ck_pflock_t *pf)  in ck_pflock_write_lock()  argument
90 	ticket = ck_pr_faa_32(&pf->win, 1);  in ck_pflock_write_lock()
91 	while (ck_pr_load_32(&pf->wout) != ticket)  in ck_pflock_write_lock()
99 	ticket = ck_pr_faa_32(&pf->rin,  in ck_pflock_write_lock()
103 	while (ck_pr_load_32(&pf->rout) != ticket)  in ck_pflock_write_lock()
111 ck_pflock_read_unlock(ck_pflock_t *pf)  in ck_pflock_read_unlock()  argument
115 	ck_pr_faa_32(&pf->rout, CK_PFLOCK_RINC);  in ck_pflock_read_unlock()
120 ck_pflock_read_lock(ck_pflock_t *pf)  in ck_pflock_read_lock()  argument
128 	w = ck_pr_faa_32(&pf->rin, CK_PFLOCK_RINC) & CK_PFLOCK_WBITS;  in ck_pflock_read_lock()
133 	while ((ck_pr_load_32(&pf->rin) & CK_PFLOCK_WBITS) == w)  in ck_pflock_read_lock()