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C++ LockManager::lock方法代码示例

本文整理汇总了C++中LockManager::lock方法的典型用法代码示例。如果您正苦于以下问题：C++ LockManager::lock方法的具体用法？C++ LockManager::lock怎么用？C++ LockManager::lock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::lock方法的3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, MultipleConflict) {
    LockManager lockMgr;
    const ResourceId resId(RESOURCE_COLLECTION, std::string("TestDB.collection"));

    MMAPV1LockerImpl locker;
    TrackingLockGrantNotification notify;

    LockRequest request[6];
    for (int i = 0; i < 6; i++) {
        request[i].initNew(&locker, &notify);

        if (i == 0) {
            ASSERT(LOCK_OK == lockMgr.lock(resId, &request[i], MODE_X));
        } else {
            ASSERT(LOCK_WAITING == lockMgr.lock(resId, &request[i], MODE_X));
        }

        ASSERT(request[i].mode == MODE_X);
        ASSERT(request[i].recursiveCount == 1);
    }

    ASSERT(notify.numNotifies == 0);

    // Free them one by one and make sure they get granted in the correct order
    for (int i = 0; i < 6; i++) {
        lockMgr.unlock(&request[i]);

        if (i < 5) {
            ASSERT(notify.numNotifies == i + 1);
        }
    }
}
开发者ID:AshishSanju，项目名称:mongo，代码行数:32，代码来源:lock_manager_test.cpp

示例2: 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3: checkConflict

// Lock conflict matrix tests
static void checkConflict(LockMode existingMode, LockMode newMode, bool hasConflict) {
    LockManager lockMgr;
    const ResourceId resId(RESOURCE_COLLECTION, std::string("TestDB.collection"));

    MMAPV1LockerImpl lockerExisting;
    TrackingLockGrantNotification notifyExisting;
    LockRequest requestExisting;
    requestExisting.initNew(&lockerExisting, &notifyExisting);

    ASSERT(LOCK_OK == lockMgr.lock(resId, &requestExisting, existingMode));

    MMAPV1LockerImpl lockerNew;
    TrackingLockGrantNotification notifyNew;
    LockRequest requestNew;
    requestNew.initNew(&lockerNew, &notifyNew);

    LockResult result = lockMgr.lock(resId, &requestNew, newMode);
    if (hasConflict) {
        ASSERT_EQUALS(LOCK_WAITING, result);
    } else {
        ASSERT_EQUALS(LOCK_OK, result);
    }

    lockMgr.unlock(&requestNew);
    lockMgr.unlock(&requestExisting);
}
开发者ID:AshishSanju，项目名称:mongo，代码行数:27，代码来源:lock_manager_test.cpp


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