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    • 1. 发明授权
    • Accessing current symbol definitions in a dynamically configurable
operating system
    • 在动态配置的操作系统中访问当前的符号定义
    • US5303392A
    • 1994-04-12
    • US843938
    • 1992-02-27
    • Michael W. CarneyWilliam ShannonJoseph E. Provino
    • Michael W. CarneyWilliam ShannonJoseph E. Provino
    • G06F9/46G06F9/445G06F9/00
    • G06F8/54
    • In a computer system executing a dynamically configurable operating system, a symbol definition image file builder is provided for building a symbol definition image file real time for utilities and application programs. The symbol definition image file is built upon receipt of an open request for the file and a current system definition image file does not exist. The symbol definition image file is deleted upon receipt of a close request for the file and it is determined that the file is no longer referenced and non-current. The symbol definition image file comprises all current symbol definitions and strings of the operating system. The current symbol definitions and strings are gathered by the symbol definition builder from the symbol and string tables of the root executable segment and the relocatable segments of the operating system that are currently loaded in memory. Additionally, prior to building the symbol definition image file, the symbol definitions image file builder inhibits automatic unloading of the relocatable segments until all accesses to the symbol definition image file are completed, thereby protecting the symbol definitions and the strings that are included in the symbol definition image files from becoming stale.
    • 在执行动态可配置的操作系统的计算机系统中,提供符号定义图像文件构建器用于实时地为实用程序和应用程序构建符号定义图像文件。 符号定义图像文件建立在接收到对文件的打开请求并且当前系统定义图像文件不存在的情况下。 符号定义图像文件在收到对文件的紧密请求后被删除,并且确定该文件不再被引用并且不是当前的。 符号定义图像文件包括操作系统的所有当前符号定义和字符串。 当前符号定义和字符串由符号定义构建器从当前加载到内存中的根可执行段和操作系统的可重定位段的符号和字符串表中收集。 此外,在构建符号定义图像文件之前,符号定义图像文件构建器禁止可重定位片段的自动卸载,直到对符号定义图像文件的所有访问完成为止,从而保护符号定义和包含在符号中的字符串 定义图像文件变得陈旧。
    • 3. 发明授权
    • System and method for retrieving and updating configuration parameter
values for application programs in a computer network
    • 用于检索和更新计算机网络中应用程序的配置参数值的系统和方法
    • US6061693A
    • 2000-05-09
    • US286688
    • 1999-04-05
    • Michael W. CarneyMary U. LautmanWilliam F. Pittore
    • Michael W. CarneyMary U. LautmanWilliam F. Pittore
    • G06F17/30H04L29/06H04L29/08
    • H04L67/303G06F17/30067H04L29/06H04L67/306H04L67/42H04L69/329Y10S707/99931Y10S707/99939
    • A configuration parameter value access system used in connection with a computer system performs an access operation in connection with a configuration parameter in response to a configuration parameter access request from an applications program. Each configuration parameter access request includes a parameter class identifier, a filename and a parameter identifier. The configuration parameter value access system includes a plurality of configuration file path class lists, each of which has at least one entry, each entry defining a storage subsystem path in the computer system's storage subsystem. A file identifier generator tests successive entries of the configuration file path class list identified by the parameter class identifier to determine whether the storage subsystem contains a file which has the filename provided in the configuration parameter access request along a path defined by an entry. If so, a configuration parameter access module performs an access operation to retrieve or update the configuration parameter identified by the parameter identifier provided in the configuration parameter access request in the file identified by the file identifier generator. If the access operation is a retrieval operation, to retrieve the value of the configuration parameter, the configuration parameter value access system will retrieve the value of the parameter, if any, in the file identified by the file identifier generator. If the access operation is an update operation, to update the value of the configuration parameter, the configuration parameter value access system will update the value of the parameter in the file identified by the file identifier generator, or create the file if no file currently exists.
    • 与计算机系统一起使用的配置参数值访问系统响应于来自应用程序的配置参数访问请求而执行与配置参数有关的访问操作。 每个配置参数访问请求包括参数类标识符,文件名和参数标识符。 配置参数值访问系统包括多个配置文件路径类列表,每个配置文件路径类列表具有至少一个条目,每个条目在计算机系统的存储子系统中定义存储子系统路径。 文件标识符生成器测试由参数类标识符标识的配置文件路径类列表的连续条目,以确定存储子系统是否包含沿着由条目定义的路径的配置参数访问请求中提供的文件名的文件。 如果是,则配置参数访问模块执行访问操作以检索或更新由文件标识符生成器识别的文件中的配置参数访问请求中提供的参数标识符所识别的配置参数。 如果访问操作是检索操作,为了检索配置参数的值,配置参数值访问系统将检索由文件标识符生成器识别的文件中的参数值(如果有的话)。 如果访问操作是更新操作,为了更新配置参数的值,配置参数值访问系统将更新由文件标识符生成器识别的文件中的参数值,如果当前没有文件,则创建该文件 。
    • 5. 发明授权
    • Reconstructing symbol definitions of a dynamically configurable
operating system defined at the time of a system crash
    • 重构系统崩溃时定义的动态配置操作系统的符号定义
    • US5339406A
    • 1994-08-16
    • US862823
    • 1992-04-03
    • Michael W. CarneyTimothy MarslandWilliam F. Pittore
    • Michael W. CarneyTimothy MarslandWilliam F. Pittore
    • G06F9/06G06F11/14G06F11/34
    • G06F11/0778G06F11/0721G06F11/1415
    • A relocatable segment list builder, a system image dump driver, and a system image dump saver are provided to a dynamically configurable operating system being executed on a computer system. The operating system includes a root executable segment and a number of pageable relocatable segments that are loaded on an as needed basis. The relocatable segment list builder maintains in memory a non-pageable relocatable segment list, which comprises names of the relocatable segments that are loaded in any particular point in time. The system image dump driver dumps an image of the operating system including the non-pageable relocatable segment list to a dump device at the time of a system crash. In addition, a system image saver is provided to the computer system. The system image saver builds a system image dump file, which comprises the relocatable segment list dumped using the operating system image dumped. The system image saver also builds a companion system image dump symbol definition file, which comprises all symbol definitions of the operating system defined at the time of the system crash regardless of whether the relocatable segments containing the symbol definitions are paged out of memory or not. The system image saver determines which relocatable segments are loaded at the time of the crash using the system image dump file built. The system image saver then reconstructs the symbol definitions using the symbol and string tables of the root executable and the relocatable segments loaded at the time, which are stored in mass storage. As a result, all system definitions contained in loaded relocatable segments of the operating system at the time of the crash, regardless of whether the containing relocatable segments are paged out of memory or not, are available to aid in debugging the system crash.
    • 将可重定位段列表构建器,系统映像转储驱动程序和系统映像转储保护程序提供给在计算机系统上执行的可动态配置的操作系统。 操作系统包括可根据需要加载的根可执行段和多个可分页可重定位段。 可重定位段列表构建器在内存中维护不可页面的可重定位段列表,其包括在任何特定时间点加载的可重定位段的名称。 系统映像转储驱动程序在系统崩溃时将包含不可页面的可重定位段列表的操作系统映像转储到转储设备。 此外,系统图像保护程序提供给计算机系统。 系统映像保护程序构建系统映像转储文件,其中包含使用转储的操作系统映像转储的可重定位段列表。 系统映像保护程序还构建了一个伴随系统映像转储符号定义文件,它包括系统崩溃时定义的操作系统的所有符号定义,而不管包含符号定义的可重定位段是否被分页不存储。 系统映像保护程序使用构建的系统映像转储文件确定崩溃时加载哪些可重定位段。 然后,系统映像保护程序使用存储在大容量存储中的根可执行文件和当时加载的可重定位段的符号和字符串表重建符号定义。 因此,在崩溃时,操作系统加载的可重定位段中包含的所有系统定义无论是否包含可重新定位的段是否已经不存储内存,都可用于帮助调试系统崩溃。