bsd/kern/pthread_support.c

237 	uint32_t kw_pre_lockseq;	/* prepost target seq */
429 			kwq->kw_pre_lockseq = 0; \
456 			kwq->kw_pre_lockseq = 0; \
665 				kwq->kw_pre_lockseq = (nextgen & PTHRW_COUNT_MASK);
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);
698 					kwq->kw_pre_lockseq = (nextgen & PTHRW_COUNT_MASK);
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);
717 			kwq->kw_pre_lockseq = (nextgen & PTHRW_COUNT_MASK);
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);
724 			__PTHREAD_TRACE_DEBUG(_PSYNCH_TRACE_KMDROP | DBG_FUNC_NONE, (uint32_t)kwq->kw_addr, 0xfefefef3, kwq->kw_lastunlockseq, kwq->kw_pre_lockseq, 0);
728 			if ((kwq->kw_pre_rwwc == 0) || (is_seqlower(kwq->kw_pre_lockseq, lkseq) == 0))
729 				kwq->kw_pre_lockseq = (lkseq & PTHRW_COUNT_MASK);
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) ))) {
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);
850 			kwq->kw_pre_lockseq += PTHRW_INC; /* look for next one */
1557 			if (is_seqlower_eq(ckwq->kw_pre_lockseq, cgen) != 0) {
1560 				ckwq->kw_pre_lockseq = 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);
1674 			preseq = kwq->kw_pre_lockseq;
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);
1820 			preseq = kwq->kw_pre_lockseq;
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);
1968 			preseq = kwq->kw_pre_lockseq;
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);
2119 			preseq = kwq->kw_pre_lockseq;
2296 	kwq->kw_pre_lockseq = lgen;
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);
2378 			preseq = kwq->kw_pre_lockseq;
2572 		kwq->kw_pre_lockseq = curgen;
2576 		__PTHREAD_TRACE_DEBUG(_PSYNCH_TRACE_RWUNLOCK | DBG_FUNC_NONE, (uint32_t)rwlock, 4, kwq->kw_pre_rwwc, kwq->kw_pre_lockseq, 0);