public interface RLock extends Lock, RExpirable {void lockInterruptibly(long leaseTime, TimeUnit unit) throws InterruptedException;boolean tryLock(long waitTime, long leaseTime, TimeUnit unit) throws InterruptedException;void lock(long leaseTime, TimeUnit unit);void forceUnlock();boolean isLocked();bool...
9 final Thread current = Thread.currentThread(); 10 int c = getState(); 11 //该state是AQS中的,如果为0表示没有别的线程占有锁 12 if (c == 0) { 13 //通过CAS加锁 14 if (compareAndSetState(0, acquires)) { 15 //加锁成功,将持有锁的线程改成当前线程 16 setExclusiveOwnerThread(curre...
You are advised to run the lock command to lock the connection. Set the maximum number of connections that can be established by the local user. local-user user-name access-limit max-number By default, the number of connections that can be established by a user is not limited. To ...
When creating a service, the following information about an ECS can be locked in advance: AZ, flavor, DR or backup, ECS type, EVS disk type, image, and Windows domain server (only for Windows). After these parameters are locked, you can only request an ECS based on the preset values....
static inline void __clear_hugetlb_destructor(struct hstate *h, struct folio *folio) { lockdep_assert_held(&hugetlb_lock);/* * Very subtle * * For non-gigantic pages set the destructor to the normal compound * page dtor. This is needed in case someone takes an additional * temporary ...
private void updatePowerStateLocked() { if (!mSystemReady || mDirty == 0) { return; } if (!Thread.holdsLock(mLock)) { Slog.wtf(TAG, "Power manager lock was not held when calling updatePowerStateLocked"); } Trace.traceBegin(Trace.TRACE_TAG_POWER, "updatePowerState"); ...
{ Mutex::Autolock _l(mLock); if (mSurfaceData == nullptr) { return generateSurfaceLocked(); } return mSurfaceData; } sp<Surface> SurfaceControl::generateSurfaceLocked() { ... mBbqChild = mClient->createSurface(String8("bbq-wrapper"), 0, 0, mFormat, flags, mHandle, {}, &ignore...
<HUAWEI>display clock sourceSystem trace source State: lock mode into pull-in range Current system trace source: bits0 Current 2M-1 trace source: system PLLCurrent 2M-2 trace source: system PLLFrequency lock success: yes Master board Source Pri(sys/2m-1/2m-2) In-SSM Out-SSM State Ref ...
<HUAWEI>display clock sourceSystem trace source State: lock mode into pull-in range Current system trace source: bits0 Current 2M-1 trace source: system PLL Frequency lock success: yes Master board Source Pri(sys/2m-1) In-SSM Out-SSM State Ref --- bits0/ 1/--- sec dnu normal yes ...
<HUAWEI>display clock sourceSystem trace source State: lock mode into pull-in range Current system trace source: bits0 Current 2M-1 trace source: system PLL Frequency lock success: yes Master board Source Pri(sys/2m-1) In-SSM Out-SSM State Ref --- bits0/ 1/--- sec dnu normal yes ...