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    • 4. 发明授权
    • Priority differentiated subtree locking
    • 优先级差分子树锁定
    • US07206776B2
    • 2007-04-17
    • US10222953
    • 2002-08-15
    • Zoltan C SzilagyiMatthew Paul RhotenPhilip Ti-Fei Su
    • Zoltan C SzilagyiMatthew Paul RhotenPhilip Ti-Fei Su
    • G06F17/30G06F15/16
    • G06F9/524Y10S707/99933Y10S707/99934Y10S707/99938
    • A locking arrangement for data structures is provided that prevents deadlocks, but still allows different threads to simultaneously obtain locks on different nodes of a data structure for both read and write operations. The locking system will fail a request to lock one or more resources in a data structure if access to those resources has already been restricted by a conflicting lock of an equal or higher priority. The locking system may also employ preemptable and non-preemptable locks such that, if a preemptable lock with a lower priority has restricted access to resources, then the locking system will preempt the lower priority lock in favor of a conflicting higher priority lock. Alternately, if a non-preemptable lock with a lower priority has restricted access to resources, then the locking system will wait until the lower priority lock is removed before implementing a requested conflicting higher priority lock.
    • 提供了数据结构的锁定装置,其防止死锁,但是仍然允许不同的线程同时获得用于读取和写入操作的数据结构的不同节点上的锁定。 如果对这些资源的访问已经受到相同或更高优先级的冲突锁限制,则锁定系统将失败锁定数据结构中的一个或多个资源的请求。 锁定系统还可以使用可抢占的和不可抢占的锁,使得如果具有较低优先级的可抢占锁限制了对资源的访问,则锁定系统将优先考虑较低优先权锁以有利于较高优先级的锁定。 或者,如果具有较低优先级的不可抢占锁限制了对资源的访问,则锁定系统将等待,直到在执行所请求的冲突较高优先级锁之前移除较低优先权锁。
    • 5. 发明授权
    • Application programming interface for computer telephone sets
    • 适用于计算机电话机的应用程序编程接口
    • US06754313B1
    • 2004-06-22
    • US09654407
    • 2000-09-01
    • Mary Michelle QuintonZoltan C. Szilagyi
    • Mary Michelle QuintonZoltan C. Szilagyi
    • H04M1100
    • H04M1/2473H04M1/2535H04M7/0015H04M7/0021
    • Methods and systems for providing operating system support of computer telephone sets are described. Services are provided to standardize the interactions between computer telephony applications and telephone sets, to unify those interactions into a coherent whole, and to simplify the interactions by automatically performing common tasks. A default Telephone Manager provides all the functionality needed to support basic telephony. With all call processing performed on the host computer, telephone sets attached to the host need have no native intelligence. Support for transporting voice to distant locations is provided entirely by the host computer rendering the telephone set independent of any transport technology.
    • 描述了用于提供计算机电话机的操作系统支持的方法和系统。 提供服务以标准化计算机电话应用程序和电话机之间的交互,将这些交互统一为一体,并通过自动执行常见任务简化交互。 默认的电话管理器提供支持基本电话所需的所有功能。 在主机上执行所有呼叫处理,连接到主机的电话机不需要本机智能。 支持将语音传输到遥远的位置完全由主机提供独立于任何传输技术的电话机。