/*
* Copyright ( C ) 2011 The Android Open Source Project
*
* Licensed under the Apache License , Version 2 . 0 ( the " License " ) ;
* you may not use this file except in compliance with the License .
* You may obtain a copy of the License at
*
* http : //www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing , software
* distributed under the License is distributed on an " AS IS " BASIS ,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND , either express or implied .
* See the License for the specific language governing permissions and
* limitations under the License .
*/
#ifndef ART_RUNTIME_LOCK_WORD_INL_H_
#define ART_RUNTIME_LOCK_WORD_INL_H_
#include "lock_word.h"
#include "monitor_pool.h"
namespace art HIDDEN {
inline uint32_t LockWord::ThinLockOwner() const {
DCHECK_EQ(GetState(), kThinLocked);
CheckReadBarrierState();
return (value_ >> kThinLockOwnerShift) & kThinLockOwnerMask;
}
inline uint32_t LockWord::ThinLockCount() const {
DCHECK_EQ(GetState(), kThinLocked);
CheckReadBarrierState();
return (value_ >> kThinLockCountShift) & kThinLockCountMask;
}
inline Monitor* LockWord::FatLockMonitor() const {
DCHECK_EQ(GetState(), kFatLocked);
CheckReadBarrierState();
MonitorId mon_id = (value_ >> kMonitorIdShift) & kMonitorIdMask;
return MonitorPool::MonitorFromMonitorId(mon_id);
}
inline size_t LockWord::ForwardingAddress() const {
DCHECK_EQ(GetState(), kForwardingAddress);
return value_ << kForwardingAddressShift;
}
inline LockWord::LockWord() : value_(0 ) {
DCHECK_EQ(GetState(), kUnlocked);
}
inline LockWord::LockWord(Monitor* mon, uint32_t gc_state)
: value_(mon->GetMonitorId() | (gc_state << kGCStateShift) | (kStateFat << kStateShift)) {
#ifndef __LP64__
DCHECK_ALIGNED(mon, kMonitorIdAlignment);
#endif
DCHECK_EQ(FatLockMonitor(), mon);
DCHECK_LE(mon->GetMonitorId(), static_cast <uint32_t>(kMaxMonitorId));
CheckReadBarrierState();
}
inline int32_t LockWord::GetHashCode() const {
DCHECK_EQ(GetState(), kHashCode);
CheckReadBarrierState();
return (value_ >> kHashShift) & kHashMask;
}
} // namespace art
#endif // ART_RUNTIME_LOCK_WORD_INL_H_
Messung V0.5 in Prozent C=89 H=95 G=91
¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-06-29)
¤
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