C++ (Cpp) exclusiveThreadの例

コード例 #1

ファイル: JSLock.cpp プロジェクト: cheekiatng/webkit

bool JSLock::currentThreadIsHoldingLock()
{
    ASSERT(!m_hasExclusiveThread || (exclusiveThread() == std::this_thread::get_id()));
    if (m_hasExclusiveThread)
        return !!m_lockCount;
    return m_ownerThreadID == std::this_thread::get_id();
}

コード例 #2

ファイル: JSLock.cpp プロジェクト: houzhenggang/webkit

// This function returns the number of locks that were dropped.
unsigned JSLock::dropAllLocks(DropAllLocks* dropper)
{
    if (m_hasExclusiveThread) {
        ASSERT(exclusiveThread() == std::this_thread::get_id());
        return 0;
    }

    // Check if this thread is currently holding the lock.
    // FIXME: Maybe we want to require this, guard with an ASSERT?
    if (!currentThreadIsHoldingLock())
        return 0;

    ++m_lockDropDepth;

    dropper->setDropDepth(m_lockDropDepth);

    WTFThreadData& threadData = wtfThreadData();
    threadData.setSavedStackPointerAtVMEntry(m_vm->stackPointerAtVMEntry());
    threadData.setSavedLastStackTop(m_vm->lastStackTop());

    unsigned droppedLockCount = m_lockCount;
    unlock(droppedLockCount);

    return droppedLockCount;
}

コード例 #3

ファイル: JSLock.cpp プロジェクト: cheekiatng/webkit

// This function returns the number of locks that were dropped.
unsigned JSLock::dropAllLocks(DropAllLocks* dropper)
{
    if (m_hasExclusiveThread) {
        ASSERT(exclusiveThread() == std::this_thread::get_id());
        return 0;
    }

    if (!currentThreadIsHoldingLock())
        return 0;

    ++m_lockDropDepth;

    dropper->setDropDepth(m_lockDropDepth);

    WTFThreadData& threadData = wtfThreadData();
    threadData.setSavedStackPointerAtVMEntry(m_vm->stackPointerAtVMEntry());
    threadData.setSavedLastStackTop(m_vm->lastStackTop());

    unsigned droppedLockCount = m_lockCount;
    unlock(droppedLockCount);

    return droppedLockCount;
}