--- a/src/hotspot/share/runtime/objectMonitor.cpp Mon Oct 16 20:22:41 2017 +0000
+++ b/src/hotspot/share/runtime/objectMonitor.cpp Mon Oct 16 22:36:06 2017 -0400
@@ -249,7 +249,7 @@
// and to reduce RTS->RTO cache line upgrades on SPARC and IA32 processors.
Thread * const Self = THREAD;
- void * cur = Atomic::cmpxchg_ptr (Self, &_owner, NULL);
+ void * cur = Atomic::cmpxchg(Self, &_owner, (void*)NULL);
if (cur == NULL) {
// Either ASSERT _recursions == 0 or explicitly set _recursions = 0.
assert(_recursions == 0, "invariant");
@@ -406,7 +406,7 @@
int ObjectMonitor::TryLock(Thread * Self) {
void * own = _owner;
if (own != NULL) return 0;
- if (Atomic::cmpxchg_ptr (Self, &_owner, NULL) == NULL) {
+ if (Atomic::cmpxchg(Self, &_owner, (void*)NULL) == NULL) {
// Either guarantee _recursions == 0 or set _recursions = 0.
assert(_recursions == 0, "invariant");
assert(_owner == Self, "invariant");
@@ -476,7 +476,7 @@
ObjectWaiter * nxt;
for (;;) {
node._next = nxt = _cxq;
- if (Atomic::cmpxchg_ptr(&node, &_cxq, nxt) == nxt) break;
+ if (Atomic::cmpxchg(&node, &_cxq, nxt) == nxt) break;
// Interference - the CAS failed because _cxq changed. Just retry.
// As an optional optimization we retry the lock.
@@ -514,7 +514,7 @@
if ((SyncFlags & 16) == 0 && nxt == NULL && _EntryList == NULL) {
// Try to assume the role of responsible thread for the monitor.
// CONSIDER: ST vs CAS vs { if (Responsible==null) Responsible=Self }
- Atomic::cmpxchg_ptr(Self, &_Responsible, NULL);
+ Atomic::cmpxchg(Self, &_Responsible, (Thread*)NULL);
}
// The lock might have been released while this thread was occupied queueing
@@ -538,7 +538,7 @@
assert(_owner != Self, "invariant");
if ((SyncFlags & 2) && _Responsible == NULL) {
- Atomic::cmpxchg_ptr(Self, &_Responsible, NULL);
+ Atomic::cmpxchg(Self, &_Responsible, (Thread*)NULL);
}
// park self
@@ -795,7 +795,7 @@
ObjectWaiter * v = _cxq;
assert(v != NULL, "invariant");
- if (v != SelfNode || Atomic::cmpxchg_ptr (SelfNode->_next, &_cxq, v) != v) {
+ if (v != SelfNode || Atomic::cmpxchg(SelfNode->_next, &_cxq, v) != v) {
// The CAS above can fail from interference IFF a "RAT" arrived.
// In that case Self must be in the interior and can no longer be
// at the head of cxq.
@@ -947,7 +947,7 @@
// in massive wasteful coherency traffic on classic SMP systems.
// Instead, I use release_store(), which is implemented as just a simple
// ST on x64, x86 and SPARC.
- OrderAccess::release_store_ptr(&_owner, NULL); // drop the lock
+ OrderAccess::release_store(&_owner, (void*)NULL); // drop the lock
OrderAccess::storeload(); // See if we need to wake a successor
if ((intptr_t(_EntryList)|intptr_t(_cxq)) == 0 || _succ != NULL) {
TEVENT(Inflated exit - simple egress);
@@ -992,13 +992,13 @@
// to reacquire the lock the responsibility for ensuring succession
// falls to the new owner.
//
- if (Atomic::cmpxchg_ptr (THREAD, &_owner, NULL) != NULL) {
+ if (Atomic::cmpxchg(THREAD, &_owner, (void*)NULL) != NULL) {
return;
}
TEVENT(Exit - Reacquired);
} else {
if ((intptr_t(_EntryList)|intptr_t(_cxq)) == 0 || _succ != NULL) {
- OrderAccess::release_store_ptr(&_owner, NULL); // drop the lock
+ OrderAccess::release_store(&_owner, (void*)NULL); // drop the lock
OrderAccess::storeload();
// Ratify the previously observed values.
if (_cxq == NULL || _succ != NULL) {
@@ -1017,7 +1017,7 @@
// B. If the elements forming the EntryList|cxq are TSM
// we could simply unpark() the lead thread and return
// without having set _succ.
- if (Atomic::cmpxchg_ptr (THREAD, &_owner, NULL) != NULL) {
+ if (Atomic::cmpxchg(THREAD, &_owner, (void*)NULL) != NULL) {
TEVENT(Inflated exit - reacquired succeeded);
return;
}
@@ -1052,7 +1052,7 @@
w = _cxq;
for (;;) {
assert(w != NULL, "Invariant");
- ObjectWaiter * u = (ObjectWaiter *) Atomic::cmpxchg_ptr(NULL, &_cxq, w);
+ ObjectWaiter * u = Atomic::cmpxchg((ObjectWaiter*)NULL, &_cxq, w);
if (u == w) break;
w = u;
}
@@ -1093,7 +1093,7 @@
w = _cxq;
for (;;) {
assert(w != NULL, "Invariant");
- ObjectWaiter * u = (ObjectWaiter *) Atomic::cmpxchg_ptr(NULL, &_cxq, w);
+ ObjectWaiter * u = Atomic::cmpxchg((ObjectWaiter*)NULL, &_cxq, w);
if (u == w) break;
w = u;
}
@@ -1146,7 +1146,7 @@
// The following loop is tantamount to: w = swap(&cxq, NULL)
for (;;) {
assert(w != NULL, "Invariant");
- ObjectWaiter * u = (ObjectWaiter *) Atomic::cmpxchg_ptr(NULL, &_cxq, w);
+ ObjectWaiter * u = Atomic::cmpxchg((ObjectWaiter*)NULL, &_cxq, w);
if (u == w) break;
w = u;
}
@@ -1279,7 +1279,7 @@
Wakee = NULL;
// Drop the lock
- OrderAccess::release_store_ptr(&_owner, NULL);
+ OrderAccess::release_store(&_owner, (void*)NULL);
OrderAccess::fence(); // ST _owner vs LD in unpark()
if (SafepointSynchronize::do_call_back()) {
@@ -1688,7 +1688,7 @@
for (;;) {
ObjectWaiter * front = _cxq;
iterator->_next = front;
- if (Atomic::cmpxchg_ptr(iterator, &_cxq, front) == front) {
+ if (Atomic::cmpxchg(iterator, &_cxq, front) == front) {
break;
}
}
@@ -1699,7 +1699,7 @@
ObjectWaiter * tail = _cxq;
if (tail == NULL) {
iterator->_next = NULL;
- if (Atomic::cmpxchg_ptr(iterator, &_cxq, NULL) == NULL) {
+ if (Atomic::cmpxchg(iterator, &_cxq, (ObjectWaiter*)NULL) == NULL) {
break;
}
} else {
@@ -1980,7 +1980,7 @@
Thread * ox = (Thread *) _owner;
if (ox == NULL) {
- ox = (Thread *) Atomic::cmpxchg_ptr(Self, &_owner, NULL);
+ ox = (Thread*)Atomic::cmpxchg(Self, &_owner, (void*)NULL);
if (ox == NULL) {
// The CAS succeeded -- this thread acquired ownership
// Take care of some bookkeeping to exit spin state.