bsd/kern/pthread_support.c

488 int kwq_handle_unlock(ksyn_wait_queue_t, uint32_t mgen, uint32_t rw_wc, uint32_t * updatep, int flags, int *blockp, uint32_t premgen);
512 int kwq_find_rw_lowest(ksyn_wait_queue_t kwq, int flags, uint32_t premgen, int * type, uint32_t lowest[]);
515 int kwq_handle_downgrade(ksyn_wait_queue_t kwq, uint32_t mgen, int flags, uint32_t premgen, int * blockp);
3173 kwq_find_rw_lowest(ksyn_wait_queue_t kwq, int flags, uint32_t premgen, int * typep, uint32_t lowest[])
3187 			if (((flags & KW_UNLOCK_PREPOST_READLOCK) != 0) && (is_seqlower(premgen, kw_fr) != 0))
3188 				kw_fr = premgen;
3190 			kw_fr = premgen;
3204 			if (((flags & KW_UNLOCK_PREPOST_LREADLOCK) != 0) && (is_seqlower(premgen, kw_flr) != 0))
3205 				kw_flr = premgen;
3207 			kw_flr = premgen;
3222 			if (((flags & KW_UNLOCK_PREPOST_WRLOCK) != 0) && (is_seqlower(premgen, kw_fwr) != 0))
3223 				kw_fwr = premgen;
3225 			kw_fwr = premgen;
3239 			if (((flags & KW_UNLOCK_PREPOST_YWRLOCK) != 0) && (is_seqlower(premgen, kw_fywr) != 0))
3240 				kw_fywr = premgen;
3242 			kw_fywr = premgen;
3341 kwq_handle_unlock(ksyn_wait_queue_t kwq, uint32_t mgen,  uint32_t rw_wc, uint32_t * updatep, int flags, int * blockp, uint32_t premgen)
3360 	__PTHREAD_TRACE_DEBUG(_PSYNCH_TRACE_RWHANDLEU | DBG_FUNC_START, (uint32_t)kwq->kw_addr, mgen, premgen, rw_wc, 0);
3413 	error = kwq_find_rw_lowest(kwq, flags, premgen, &rwtype, lowest);
3455 							(is_seqlower(premgen, limitrdnum) != 0)) {
3467 							(is_seqlower(premgen, low_ywriter) != 0)) {
3484 							(is_seqlower(premgen, limitrdnum) != 0)) {
3513 						if (((flags &  KW_UNLOCK_PREPOST_READLOCK) != 0) && (is_seqlower(premgen, limitrdnum) != 0)) {
3529 						if (((flags &  KW_UNLOCK_PREPOST_READLOCK) != 0) && (is_seqlower(premgen, limitrdnum) != 0)) {
3584 			if (((flags & KW_UNLOCK_PREPOST_WRLOCK) != 0) && (low_writer == premgen)) {
3646 					if (((flags & KW_UNLOCK_PREPOST_READLOCK) != 0) && (is_seqlower(premgen, low_writer) != 0)) {
3699 				if (((flags & KW_UNLOCK_PREPOST_YWRLOCK) != 0) && (low_writer == premgen)) {
3806 kwq_handle_downgrade(ksyn_wait_queue_t kwq, uint32_t mgen, __unused int flags, __unused uint32_t premgen, __unused int * blockp)