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1. 发明授权

US5987495A Method and apparatus for fully restoring a program context following an interrupt 失效
公开(公告)号：US5987495A
公开(公告)日：1999-11-16
申请号：US966374
申请日：1997-11-07
申请人： Donald F. Ault , Kenneth E. Plambeck , Casper A. Scalzi
发明人： Donald F. Ault , Kenneth E. Plambeck , Casper A. Scalzi
IPC分类号： G06F9/46
CPC分类号： G06F9/463
摘要： A method and apparatus for fully restoring the context of a user program, including program status word (PSW) and CPU register contents, following an asynchronous interrupt. Upon the occurrence of an asynchronous interrupt event, control is transferred from the normally executing part of the user program to an interrupt handler of the operating system kernel. The kernel interrupt handler saves the contents of the CPU registers and PSW as they existed at the time of the interrupt in a save area associated with the user program before transferring control to a signal catcher routine of the user program. When it has finished handling the interrupt, the signal catcher routine restores the previous state of program execution as it existed before the interrupt by storing the address of the save area in a selected register (which may be a general register/access register pair), restoring the contents of the registers other than the selected register containing the address of the save area, and then restoring the contents of the PSW and selected register by using a new Resume Program (RP) instruction. The RP instruction contains an operand field specifying through the selected register the base address of the save area together with offset fields specifying the offsets of the saved contents of the PSW and selected register relative to the beginning of the save area. Upon decoding an RP instruction, the CPU executing the instruction adds the displacement to the base address contained in the specified register to form the beginning address of the save area, to which it adds the specified offsets to access the saved PSW and selected register contents. The current PSW and selected register contents are then restored with the saved contents to fully restore the previous program context and return control to the instruction being executed at the point of interrupt. To ensure system integrity, only those fields of the PSW are restored that could have otherwise been restored by a program operating in problem state.

2. 发明授权

US06237019B1 Method and apparatus for performing a semaphore operation 失效
标题翻译：用于执行信号量操作的方法和装置
公开(公告)号：US06237019B1
公开(公告)日：2001-05-22
申请号：US09040722
申请日：1998-03-18
申请人： Donald F. Ault , John M. Forsythe
发明人： Donald F. Ault , John M. Forsythe
IPC分类号： G06F900
CPC分类号： G06F9/52 , G06F9/30087
摘要： A semaphore for controlling access to a shared resource in an information handling system is implemented using an atomic operation that compares an operand with a comparison value and, if the operand is equal to the comparison value, replaces the compared operand and up to three additional operands with replacement values. The semaphore has a first semaphore field containing a value and a sequence count and a second semaphore field containing a pointer to a queue for the semaphore. The queue has zero or more entries corresponding to waiters for the semaphore, each entry with a next entry having a pointer to that next entry. To implement the semaphore, a previous value of the first semaphore field is saved as a comparison value. A first replacement value containing an incremented sequence count is generated for the first semaphore field as a first operand in accordance with the specified operation. A second replacement value for the second semaphore field and a third replacement value for one of the queue entries are generated as second and third operands if the queue is being modified. The current value of the first semaphore field is thereafter compared with the comparison value including the sequence count to see if the current value matches the comparison value. If it does, then, atomically with the comparing step, the first operand is replaced with the first replacement value and, if the queue is being modified, one or both of the second and third operands are replaced with their corresponding replacement values. If the current value of the first semaphore field does not match the comparison value, the semaphore operation is retried, using a newly saved value of the semaphore field as a comparison value.
摘要翻译：使用将操作数与比较值进行比较的原子操作来实现用于控制对信息处理系统中的共享资源的访问的信号量，并且如果操作数等于比较值，则替换比较操作数和最多三个附加操作数具有替换值。信号量具有包含值和序列计数的第一信号量字段和包含指向信号量队列的指针的第二信号量字段。队列具有对应于信号量的等待者的零个或多个条目，每个条目具有下一条目，该条目具有指向该下一条目的指针。要实现信号量，第一个信号量字段的先前值将保存为比较值。根据指定的操作，将第一个信号量字段作为第一个操作数生成包含递增序列计数的第一个替换值。如果队列被修改，则第二信号量字段的第二替换值和其中一个队列条目的第三替换值被生成为第二和第三操作数。此后，将第一信号量字段的当前值与包括序列计数的比较值进行比较，以查看当前值是否与比较值匹配。如果是，则原子地与比较步骤相反，第一个操作数被替换为第一个替换值，如果队列被修改，第二个和第三个操作数中的一个或两个都被替换为相应的替换值。如果第一个信号量字段的当前值与比较值不匹配，则会使用信息量字段的新保存值作为比较值重试信号量操作。

3. 发明授权

US5632032A Cross address space thread control in a multithreaded environment 失效
标题翻译：在多线程环境中交叉地址空间线程控制
公开(公告)号：US5632032A
公开(公告)日：1997-05-20
申请号：US192929
申请日：1994-02-07
申请人： Donald F. Ault , Ernest S. Bender , Jon K. Franks , Steven Walkowiak
发明人： Donald F. Ault , Ernest S. Bender , Jon K. Franks , Steven Walkowiak
IPC分类号： G06F9/46 , G06F9/48 , G06F11/28 , G06F11/36 , G06F9/44 , G06F11/00
CPC分类号： G06F11/3664
摘要： A method of controlling the execution of the threads of a first application such as a user application from a second application such as a debugger application running in a different address space. After initializing trace mode for the user application, the debugger waits for an event to occur on one of the threads of the user application. Upon the occurrence of an event on one of the user application threads, an event handler obtains control of the thread execution. The event handler suspends execution of the remaining threads in the application, posts the debugger and then suspends its own execution. When the debugger application has completed its debugging operations, it posts the event handler, which resumes execution of the suspended threads and returns control to the thread on which the event occurred. If a subsequent event occurs on one thread while a previous event on another thread is being processed, the event handler for the subsequent event places it in a deferred event queue for deferred processing. Events consisting of breakpoints are redriven rather than being placed on the deferred queue. The debugger application may hold selected threads in a suspended state following resumption of the remaining threads by setting hold flags associated with those threads.
摘要翻译：一种控制诸如用户应用程序的第一应用程序的线程从诸如在不同地址空间中运行的调试器应用程序的第二应用程序执行的方法。在为用户应用程序初始化跟踪模式之后，调试器等待在用户应用程序的一个线程上发生事件。在一个用户应用程序线程上发生事件时，事件处理程序获得线程执行的控制。事件处理程序暂停执行应用程序中的其余线程，发布调试器，然后挂起自己的执行。当调试器应用程序完成其调试操作时，它会发布事件处理程序，该处理程序将恢复挂起的线程的执行，并将控件返回给发生事件的线程。如果在一个线程上发生后续事件，而另一个线程上的先前事件正在处理中，则后续事件的事件处理程序会将其放入延迟事件队列中以进行延迟处理。由断点组成的事件被重新划分，而不是放在延期队列中。通过设置与这些线程相关联的保持标志，调试器应用程序可以在恢复剩余线程之后将所选线程保持在暂停状态。

4. 发明授权

US07546585B2 Method, system and computer program product for testing computer programs 失效
标题翻译：方法，系统和计算机程序产品用于测试计算机程序
公开(公告)号：US07546585B2
公开(公告)日：2009-06-09
申请号：US11041630
申请日：2005-01-24
申请人： Donald F. Ault
发明人： Donald F. Ault
IPC分类号： G06F9/44 , G06F11/00
CPC分类号： G06F11/3688
摘要： A method for testing computer programs including defining one or more selected force stop points for a target computer program. For each of the selected force stop points the target computer program is executed in a force stop mode and executed again in a non-force stop mode. Input to execution in the force stop mode includes the selected force stop point. The target program is terminated as a result of execution in the force stop mode when the selected force stop point has been reached. Executing in the force stop mode results in a residual environment. The target computer program is executed in a non-force stop mode in the residual environment. Output from executing in a non-force stop mode includes test result data. For each of the selected force stop points it is determined if the test result data is consistent with expected test results.
摘要翻译：一种用于测试计算机程序的方法，包括为目标计算机程序定义一个或多个所选的力停止点。对于每个所选择的停止点，目标计算机程序以强制停止模式执行并且以非强制停止模式再次执行。在强制停止模式下执行的输入包括所选的力停止点。当达到所选择的力停止点时，作为执行强制停止模式的结果，终止目标程序。在强制停止模式下执行会导致残留环境。目标计算机程序在残留环境中以非强制停止模式执行。在非强制停止模式下执行的输出包括测试结果数据。对于每个选定的力停止点，确定测试结果数据是否与预期的测试结果一致。

5. 发明授权

US07392524B2 Method, system, and storage medium for managing computer processing functions 有权
标题翻译：用于管理计算机处理功能的方法，系统和存储介质
公开(公告)号：US07392524B2
公开(公告)日：2008-06-24
申请号：US10820062
申请日：2004-04-06
申请人： Donald F. Ault , Jose R. Castano , Jeffrey P. Kubala , Robert J. Maddison , Bernard R. Pierce , Gary S. Puchkoff , Peter J. Relson , Robert R. Rogers , Donald W. Schmidt , Leslie W. Wyman
发明人： Donald F. Ault , Jose R. Castano , Jeffrey P. Kubala , Robert J. Maddison , Bernard R. Pierce , Gary S. Puchkoff , Peter J. Relson , Robert R. Rogers , Donald W. Schmidt , Leslie W. Wyman
IPC分类号： G06F9/455 , G06F9/50 , G06F9/48 , G06F15/163 , G06F15/167
CPC分类号： G06F9/5044 , G06F2209/503
摘要： Exemplary embodiments include a method, system, and storage medium for managing computer processing functions in a multi-processor computer environment that includes a standard logical processor and an assist logical processor, each of which share the same operating system instance within a logical partition. The method includes invoking a switch-to service by standard code. The standard code is running on a standard logical processor and is executing a task. The switch-to service checks to see if an assist logical processor is online, and it if finds one, the switch-to service updates an integrated assist field of a work element block associated with the task and assigns a queue to the work element block. The task is dispatched, in accordance with business rules identified in a system control block, on either of said assist logical processor or said standard logical processor.
摘要翻译：示例性实施例包括用于管理多处理器计算机环境中的计算机处理功能的方法，系统和存储介质，其包括标准逻辑处理器和辅助逻辑处理器，每个逻辑处理器和辅助逻辑处理器在逻辑分区内共享相同的操作系统实例。该方法包括通过标准代码调用切换服务。标准代码在标准逻辑处理器上运行，正在执行任务。交换机服务检查辅助逻辑处理器是否在线，如果找到一个，则切换到服务更新与任务相关联的工作元素块的集成辅助字段，并将队列分配给工作元素块。根据系统控制块中识别的业务规则，在任一所述辅助逻辑处理器或所述标准逻辑处理器上调度该任务。

6. 发明授权

US06907605B1 Method and apparatus for providing for notification of task termination 失效
标题翻译：提供任务终止通知的方法和装置
公开(公告)号：US06907605B1
公开(公告)日：2005-06-14
申请号：US09080504
申请日：1998-05-18
申请人： Donald F. Ault , Ernest S. Bender , John A. Helmbold
发明人： Donald F. Ault , Ernest S. Bender , John A. Helmbold
IPC分类号： G06F9/48 , G06F9/46 , G06F11/34 , G06F15/16
CPC分类号： G06F9/542 , G06F9/485 , G06F2209/543
摘要： A method and apparatus for ensuring that a process interacting with a failing process is notified of the failure of that process. Each process has a unique process identifier (PID) associated with it. Each process optionally has an affinity list containing one or more entries, each of which contains the identifier of a process that is to be notified when the process fails. A process updates the affinity list of a target process (either itself or another process) by calling an affinity service of the operating system (OS) kernel, specifying the type of operation (add or delete), the identifier of the target process, the identifier of the process that is to notified, and the type of event that is to be generated for the process that is to be notified. When a process fails, a process termination service of the OS kernel examines the affinity list of the failing process and, for each entry in the list, generates an event of the specified type for the process specified as to be notified.
摘要翻译：用于确保与失败过程相互作用的过程被通知该过程失败的方法和装置。每个进程都有一个与之相关联的唯一进程标识符（PID）。每个进程可选地具有包含一个或多个条目的关联列表，每个条目包含当进程失败时要被通知的进程的标识符。进程通过调用操作系统（OS）内核的关联服务，指定操作类型（添加或删除），目标进程的标识符，更新目标进程的标识符，更新目标进程的关联列表要通知的进程的标识符以及要为要通知的进程生成的事件的类型。当进程失败时，OS内核的进程终止服务检查失败进程的关联列表，并且对于列表中的每个条目，为指定通知的进程生成指定类型的事件。

7. 发明授权

US08276155B2 Method, system, and storage medium for managing computer processing functions 有权
公开(公告)号：US08276155B2
公开(公告)日：2012-09-25
申请号：US13010104
申请日：2011-01-20
申请人： Donald F. Ault , Jose R. Castano , Jeffrey P. Kubala , Robert J. Maddison , Bernard R. Pierce , Gary S. Puchkoff , Peter J. Relson , Robert R. Rogers , Donald W. Schmidt , Leslie W. Wyman
发明人： Donald F. Ault , Jose R. Castano , Jeffrey P. Kubala , Robert J. Maddison , Bernard R. Pierce , Gary S. Puchkoff , Peter J. Relson , Robert R. Rogers , Donald W. Schmidt , Leslie W. Wyman
IPC分类号： G06F9/46 , G06F9/455
CPC分类号： G06F9/5044 , G06F2209/503
摘要： Exemplary embodiments include a system and storage medium for managing computer processing functions in a multi-processor computer environment. The system includes a physical processor, a standard logical processor, an assist logical processor sharing a same logical partition as the standard logical processor, and a single operating system instance associated with the logical partition, the single operating system instance including a switch-to service and a switch-from service. The system also includes a dispatch component managed by the single operating system instance. Upon invoking the switch-to service by standard code, the switch-to service checks to see if an assist logical processor is online and, if so, it updates an integrated assist field of a work element block associated with the task for indicating the task is eligible to be executed on the assist logical processor. The switch-to service also assigns a work queue to the work element block.

8. 发明申请

US20080189714A1 METHOD, SYSTEM, AND STORAGE MEDIUM FOR MANAGING COMPUTER PROCESSING FUNCTIONS 有权
标题翻译：用于管理计算机处理功能的方法，系统和存储介质
公开(公告)号：US20080189714A1
公开(公告)日：2008-08-07
申请号：US12061719
申请日：2008-04-03
申请人： Donald F. Ault , Jose R. Castano , Jeffrey P. Kubala , Robert J. Maddison , Bernard R. Pierce , Gary S. Puchkoff , Peter J. Relson , Robert R. Rogers , Donald W. Schmidt , Leslie W. Wyman
发明人： Donald F. Ault , Jose R. Castano , Jeffrey P. Kubala , Robert J. Maddison , Bernard R. Pierce , Gary S. Puchkoff , Peter J. Relson , Robert R. Rogers , Donald W. Schmidt , Leslie W. Wyman
IPC分类号： G06F9/50
CPC分类号： G06F9/5044 , G06F2209/503
摘要： Exemplary embodiments include a system and storage medium for managing computer processing functions in a multi-processor computer environment. The system includes a physical processor, a standard logical processor, an assist logical processor sharing a same logical partition as the standard logical processor, and a single operating system instance associated with the logical partition, the single operating system instance including a switch-to service and a switch-from service. The system also includes a dispatch component managed by the single operating system instance. Upon invoking the switch-to service by standard code, the switch-to service checks to see if an assist logical processor is online and, if so, it updates an integrated assist field of a work element block associated with the task for indicating the task is eligible to be executed on the assist logical processor. The switch-to service also assigns a work queue to the work element block.
摘要翻译：示例性实施例包括用于在多处理器计算机环境中管理计算机处理功能的系统和存储介质。该系统包括物理处理器，标准逻辑处理器，共享与标准逻辑处理器相同的逻辑分区的辅助逻辑处理器以及与逻辑分区相关联的单个操作系统实例，该单个操作系统实例包括交换服务和切换服务。该系统还包括由单个操作系统实例管理的调度组件。在通过标准代码调用切换到服务时，切换到服务检查以查看辅助逻辑处理器是否在线，如果是，则更新与任务相关联的工作元素块的集成辅助字段以指示任务有资格在辅助逻辑处理器上执行。切换到服务还将工作队列分配给工作元素块。

9. 发明授权

US08281315B2 Method, system, and storage medium for managing computer processing functions 有权
标题翻译：用于管理计算机处理功能的方法，系统和存储介质
公开(公告)号：US08281315B2
公开(公告)日：2012-10-02
申请号：US12061719
申请日：2008-04-03
申请人： Donald F. Ault , Jose R. Castano , Jeffrey P. Kubala , Robert J. Maddison , Bernard R. Pierce , Gary S. Puchkoff , Peter J. Relson , Robert R. Rogers , Donald W. Schmidt , Leslie W. Wyman
发明人： Donald F. Ault , Jose R. Castano , Jeffrey P. Kubala , Robert J. Maddison , Bernard R. Pierce , Gary S. Puchkoff , Peter J. Relson , Robert R. Rogers , Donald W. Schmidt , Leslie W. Wyman
IPC分类号： G06F9/46 , G06F15/76 , G06F9/455
CPC分类号： G06F9/5044 , G06F2209/503
摘要： Exemplary embodiments include a system and storage medium for managing computer processing functions in a multi-processor computer environment. The system includes a physical processor, a standard logical processor, an assist logical processor sharing a same logical partition as the standard logical processor, and a single operating system instance associated with the logical partition, the single operating system instance including a switch-to service and a switch-from service. The system also includes a dispatch component managed by the single operating system instance. Upon invoking the switch-to service by standard code, the switch-to service checks to see if an assist logical processor is online and, if so, it updates an integrated assist field of a work element block associated with the task for indicating the task is eligible to be executed on the assist logical processor. The switch-to service also assigns a work queue to the work element block.
摘要翻译：示例性实施例包括用于在多处理器计算机环境中管理计算机处理功能的系统和存储介质。该系统包括物理处理器，标准逻辑处理器，共享与标准逻辑处理器相同的逻辑分区的辅助逻辑处理器以及与逻辑分区相关联的单个操作系统实例，该单个操作系统实例包括交换服务和切换服务。该系统还包括由单个操作系统实例管理的调度组件。在通过标准代码调用切换到服务时，切换到服务检查以查看辅助逻辑处理器是否在线，如果是，则更新与任务相关联的工作元素块的集成辅助字段以指示任务有资格在辅助逻辑处理器上执行。切换到服务还将工作队列分配给工作元素块。

10. 发明申请

US20110113434A1 METHOD, SYSTEM, AND STORAGE MEDIUM FOR MANAGING COMPUTER PROCESSING FUNCTIONS 有权
标题翻译：用于管理计算机处理功能的方法，系统和存储介质
公开(公告)号：US20110113434A1
公开(公告)日：2011-05-12
申请号：US13010104
申请日：2011-01-20
申请人： Donald F. Ault , Jose R. Castano , Jeffrey P. Kubala , Robert J. Maddison , Bernard R. Pierce , Gary S. Puchkoff , Peter J. Relson , Robert R. Rogers , Donald W. Schmidt , Leslie W. Wyman
发明人： Donald F. Ault , Jose R. Castano , Jeffrey P. Kubala , Robert J. Maddison , Bernard R. Pierce , Gary S. Puchkoff , Peter J. Relson , Robert R. Rogers , Donald W. Schmidt , Leslie W. Wyman
IPC分类号： G06F9/50
CPC分类号： G06F9/5044 , G06F2209/503
摘要： Exemplary embodiments include a system and storage medium for managing computer processing functions in a multi-processor computer environment. The system includes a physical processor, a standard logical processor, an assist logical processor sharing a same logical partition as the standard logical processor, and a single operating system instance associated with the logical partition, the single operating system instance including a switch-to service and a switch-from service. The system also includes a dispatch component managed by the single operating system instance. Upon invoking the switch-to service by standard code, the switch-to service checks to see if an assist logical processor is online and, if so, it updates an integrated assist field of a work element block associated with the task for indicating the task is eligible to be executed on the assist logical processor. The switch-to service also assigns a work queue to the work element block.
摘要翻译：示例性实施例包括用于在多处理器计算机环境中管理计算机处理功能的系统和存储介质。该系统包括物理处理器，标准逻辑处理器，共享与标准逻辑处理器相同的逻辑分区的辅助逻辑处理器以及与逻辑分区相关联的单个操作系统实例，该单个操作系统实例包括交换服务和切换服务。该系统还包括由单个操作系统实例管理的调度组件。在通过标准代码调用切换到服务时，切换到服务检查以查看辅助逻辑处理器是否在线，如果是，则更新与任务相关联的工作元素块的集成辅助字段以指示任务有资格在辅助逻辑处理器上执行。切换到服务还将工作队列分配给工作元素块。

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