C++ LockManager::downgrade方法代码示例

本文整理汇总了C++中LockManager::downgrade方法的典型用法代码示例。如果您正苦于以下问题：C++ LockManager::downgrade方法的具体用法？C++ LockManager::downgrade怎么用？C++ LockManager::downgrade使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类LockManager的用法示例。

在下文中一共展示了LockManager::downgrade方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: resId

    TEST(LockManager, Downgrade) {
        LockManager lockMgr;
        const ResourceId resId(RESOURCE_COLLECTION, std::string("TestDB.collection"));

        LockState locker1;
        TrackingLockGrantNotification notify1;
        LockRequest request1;
        request1.initNew(&locker1, &notify1);
        ASSERT(LOCK_OK == lockMgr.lock(resId, &request1, MODE_X));

        LockState locker2;
        TrackingLockGrantNotification notify2;
        LockRequest request2;
        request2.initNew(&locker2, &notify2);
        ASSERT(LOCK_WAITING == lockMgr.lock(resId, &request2, MODE_S));
        ASSERT(request2.recursiveCount == 1);

        lockMgr.downgrade(&request1, MODE_S);
        ASSERT(notify2.numNotifies == 1);
        ASSERT(request2.recursiveCount == 1);

        lockMgr.unlock(&request1);
        ASSERT(request1.recursiveCount == 0);

        lockMgr.unlock(&request2);
        ASSERT(request2.recursiveCount == 0);
    }

开发者ID:ANTco，项目名称:mongo，代码行数:27，代码来源:lock_mgr_new_test.cpp

示例2: resId

TEST(LockManager, Downgrade) {
    LockManager lockMgr;
    const ResourceId resId(RESOURCE_COLLECTION, std::string("TestDB.collection"));

    MMAPV1LockerImpl locker1;
    LockRequestCombo request1(&locker1);
    ASSERT(LOCK_OK == lockMgr.lock(resId, &request1, MODE_X));

    MMAPV1LockerImpl locker2;
    LockRequestCombo request2(&locker2);
    ASSERT(LOCK_WAITING == lockMgr.lock(resId, &request2, MODE_S));

    // Downgrade the X request to S
    lockMgr.downgrade(&request1, MODE_S);

    ASSERT(request2.numNotifies == 1);
    ASSERT(request2.lastResult == LOCK_OK);
    ASSERT(request2.recursiveCount == 1);

    ASSERT(lockMgr.unlock(&request1));
    ASSERT(lockMgr.unlock(&request2));
}

开发者ID:AshishSanju，项目名称:mongo，代码行数:22，代码来源:lock_manager_test.cpp

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