公开(公告)号：US20100205603A1

公开(公告)日：2010-08-12

申请号：US12367921

申请日：2009-02-09

申请人： James F Merten ,  Michael J. Rieschl ,  Nathan T. Zimmer

发明人： James F Merten ,  Michael J. Rieschl ,  Nathan T. Zimmer

IPC分类号： G06F9/46

CPC分类号： G06F9/45554

摘要： Approaches for dispatching routines in an emulated operating system. A method includes executing a first operating system (OS) on an instruction processor of a data processing system. The first OS includes instructions of a first instruction set that are native to the instruction processor. A second OS is emulated on the first OS and includes instructions of a second instruction set that are not native to the instruction processor. A first plurality of tasks is created by the emulated second OS. The first OS individually schedules the first plurality of tasks and dispatches the first plurality of emulated tasks for emulation according to the scheduling.

摘要翻译： 在仿真操作系统中调度例程的方法。 一种方法包括在数据处理系统的指令处理器上执行第一操作系统（OS）。 第一OS包括指令处理器本地的第一指令集的指令。 在第一OS上仿真第二个OS，并且包括第二指令集的指令，该第二指令集不是指令处理器本地的。 由仿真的第二OS创建第一组多个任务。 第一OS单独地调度第一多个任务，并根据调度调度第一多个仿真任务进行仿真。

公开(公告)号：US11048446B2

公开(公告)日：2021-06-29

申请号：US14573245

申请日：2014-12-17

申请人： James F Merten ,  Warren N Stockton ,  Michael J. Rieschl ,  James R McBreen

发明人： James F Merten ,  Warren N Stockton ,  Michael J. Rieschl ,  James R McBreen

IPC分类号： G06F17/30 ,  G06F3/06 ,  G06F12/06 ,  G06F12/0802 ,  G06F12/0873

摘要： Systems and methods for obtaining access to database files in a computing system. A method may include receiving a first call from a database management system requesting access to a database file. The method may further include transmitting a second call to an operating system interface requesting that a memory-mapped data expanse file be created. The method may also include receiving a first address representing the database file in response to successful mapping of the database file to the memory-mapped data expanse file located at the operating system interface.