bsd/kern/pthread_support.c

236 	uint32_t kw_pre_rwwc;		/* prepost count */
431 			kwq->kw_pre_rwwc = 0; \
457 			kwq->kw_pre_rwwc = 0; \
658 				kwq->kw_pre_rwwc++;
660 				if (kwq->kw_pre_rwwc > 1) {
667 				__PTHREAD_TRACE_DEBUG(_PSYNCH_TRACE_KMDROP | DBG_FUNC_NONE, (uint32_t)kwq->kw_addr, 0xfefefef1, kwq->kw_pre_rwwc, kwq->kw_pre_lockseq, 0);
691 					kwq->kw_pre_rwwc++;
693 					if (kwq->kw_pre_rwwc > 1) {
700 					__PTHREAD_TRACE_DEBUG(_PSYNCH_TRACE_KMDROP | DBG_FUNC_NONE, (uint32_t)kwq->kw_addr, 0xfefefef2, kwq->kw_pre_rwwc, kwq->kw_pre_lockseq, 0);
710 			kwq->kw_pre_rwwc++;
712 			if (kwq->kw_pre_rwwc > 1) {
719 			__PTHREAD_TRACE_DEBUG(_PSYNCH_TRACE_KMDROP | DBG_FUNC_NONE, (uint32_t)kwq->kw_addr, 0xfefefef3, kwq->kw_pre_rwwc, kwq->kw_pre_lockseq, 0);
728 			if ((kwq->kw_pre_rwwc == 0) || (is_seqlower(kwq->kw_pre_lockseq, lkseq) == 0))
730 			kwq->kw_pre_rwwc = 1;
732 			__PTHREAD_TRACE_DEBUG(_PSYNCH_TRACE_KMDROP | DBG_FUNC_NONE, (uint32_t)kwq->kw_addr, 0xfefefef3, kwq->kw_pre_rwwc, kwq->kw_pre_lockseq, 0);
824 	if ((kwq->kw_pre_rwwc != 0) && ((ins_flags == FIRSTFIT) || ((lockseq & PTHRW_COUNT_MASK) == (kwq->kw_pre_lockseq & PTHRW_COUNT_MASK) ))) {
826 		kwq->kw_pre_rwwc--;
827 		if (kwq->kw_pre_rwwc == 0) {
845 			__PTHREAD_TRACE_DEBUG(_PSYNCH_TRACE_MLWAIT | DBG_FUNC_NONE, (uint32_t)kwq->kw_addr, 0xfefefef1, kwq->kw_pre_rwwc, kwq->kw_pre_lockseq, 0);
1556 		if (((flags & _PTHREAD_MUTEX_POLICY_FIRSTFIT) != 0) && (ckwq->kw_pre_rwwc != 0)) {
1559 				ckwq->kw_pre_rwwc = 0;
1668 	if ((kwq->kw_pre_rwwc != 0) && (is_seqlower_eq(lockseq, (kwq->kw_pre_lockseq & PTHRW_COUNT_MASK)) != 0)) {
1670 	__PTHREAD_TRACE_DEBUG(_PSYNCH_TRACE_RWRDLOCK | DBG_FUNC_NONE, (uint32_t)rwlock, 2, kwq->kw_pre_rwwc, kwq->kw_pre_lockseq, 0);
1672 		kwq->kw_pre_rwwc--;
1673 		if (kwq->kw_pre_rwwc == 0) {
1814 	if ((kwq->kw_pre_rwwc != 0) && (is_seqlower_eq(lockseq, (kwq->kw_pre_lockseq & PTHRW_COUNT_MASK)) != 0)) {
1816 	__PTHREAD_TRACE_DEBUG(_PSYNCH_TRACE_RWLRDLOCK | DBG_FUNC_NONE, (uint32_t)rwlock, 2, kwq->kw_pre_rwwc, kwq->kw_pre_lockseq, 0);
1818 		kwq->kw_pre_rwwc--;
1819 		if (kwq->kw_pre_rwwc == 0) {
1962 	if ((kwq->kw_pre_rwwc != 0) && (is_seqlower_eq(lockseq, (kwq->kw_pre_lockseq & PTHRW_COUNT_MASK)) != 0)) {
1964 	__PTHREAD_TRACE_DEBUG(_PSYNCH_TRACE_RWWRLOCK | DBG_FUNC_NONE, (uint32_t)rwlock, 2, kwq->kw_pre_rwwc, kwq->kw_pre_lockseq, 0);
1966 		kwq->kw_pre_rwwc--;
1967 		if (kwq->kw_pre_rwwc == 0) {
2113 	if ((kwq->kw_pre_rwwc != 0) && (is_seqlower_eq(lockseq, (kwq->kw_pre_lockseq & PTHRW_COUNT_MASK)) != 0)) {
2115 	__PTHREAD_TRACE_DEBUG(_PSYNCH_TRACE_RWYWRLOCK | DBG_FUNC_NONE, (uint32_t)rwlock, 2, kwq->kw_pre_rwwc, kwq->kw_pre_lockseq, 0);
2117 		kwq->kw_pre_rwwc--;
2118 		if (kwq->kw_pre_rwwc == 0) {
2295 	kwq->kw_pre_rwwc = (rw_wc - count);
2298 	__PTHREAD_TRACE_DEBUG(_PSYNCH_TRACE_RWDOWNGRADE | DBG_FUNC_NONE, (uint32_t)rwlock, 1, kwq->kw_pre_rwwc, kwq->kw_pre_lockseq, 0);
2372 	if ((kwq->kw_pre_rwwc != 0) && (is_seqlower_eq(lockseq, (kwq->kw_pre_lockseq & PTHRW_COUNT_MASK)) != 0)) {
2374 	__PTHREAD_TRACE_DEBUG(_PSYNCH_TRACE_RWRDLOCK | DBG_FUNC_NONE, (uint32_t)rwlock, 2, kwq->kw_pre_rwwc, kwq->kw_pre_lockseq, 0);
2376 		kwq->kw_pre_rwwc--;
2377 		if (kwq->kw_pre_rwwc == 0) {
2571 		kwq->kw_pre_rwwc = (diff - count);
2576 		__PTHREAD_TRACE_DEBUG(_PSYNCH_TRACE_RWUNLOCK | DBG_FUNC_NONE, (uint32_t)rwlock, 4, kwq->kw_pre_rwwc, kwq->kw_pre_lockseq, 0);
2770 			if ((kwq->kw_inqueue == 0) && (kwq->kw_pre_rwwc ==0) && (kwq->kw_pre_intrcount == 0)) {
2856 			if ((kwq->kw_inqueue == 0) && (kwq->kw_pre_rwwc ==0) && (kwq->kw_pre_intrcount == 0)) {
2950 		if ((kwq->kw_pre_rwwc == 0) && (kwq->kw_inqueue == 0) && (kwq->kw_pre_intrcount == 0)) {
2983 			if ((ckwq->kw_pre_rwwc == 0) && (ckwq->kw_inqueue == 0) && (ckwq->kw_pre_intrcount == 0)) {
3040 		if ((kwq->kw_iocount != 0) || (kwq->kw_pre_rwwc != 0) || (kwq->kw_inqueue != 0) || (kwq->kw_pre_intrcount != 0)) {