NonStop System Glossary
... © Copyright 2011 Hewlett-Packard Development Company, L.P. Legal Notice Confidential computer software. Valid license from HP required for possession, use or copying. Consistent with FAR 12.211 and 12.212, Commercial Computer Software, Computer Software Documentation, and Technical Data for Commerc ...
... © Copyright 2011 Hewlett-Packard Development Company, L.P. Legal Notice Confidential computer software. Valid license from HP required for possession, use or copying. Consistent with FAR 12.211 and 12.212, Commercial Computer Software, Computer Software Documentation, and Technical Data for Commerc ...
第十三章
... character device state 核心保存着I/O组件的状态，包 括打开文件表，网络连接，字符设备状态 Many, many complex data structures to track buffers, memory allocation, “dirty” blocks 许多的数据结构是为了记录缓冲、内存分配和“脏”块 Some use object-oriented methods and message passing to implement I/O 有些OS用面向对象的方法和消息机制来实现I/O ...
... character device state 核心保存着I/O组件的状态，包 括打开文件表，网络连接，字符设备状态 Many, many complex data structures to track buffers, memory allocation, “dirty” blocks 许多的数据结构是为了记录缓冲、内存分配和“脏”块 Some use object-oriented methods and message passing to implement I/O 有些OS用面向对象的方法和消息机制来实现I/O ...
ch5
... With each semaphore there is an associated waiting queue Each entry in a waiting queue has two data items: ...
... With each semaphore there is an associated waiting queue Each entry in a waiting queue has two data items: ...
Application of Software Components in Operating System Design
... Assessing my own personal contribution to the HelenOS mainline branch can be done in a straightforward way by examining the source code repository. A conservative estimate is that the mainline branch contains about 15 % of source lines created or modi ied by me (ignoring copyright headers, refactori ...
... Assessing my own personal contribution to the HelenOS mainline branch can be done in a straightforward way by examining the source code repository. A conservative estimate is that the mainline branch contains about 15 % of source lines created or modi ied by me (ignoring copyright headers, refactori ...
Figure 5.01 - Texas A&M University
... There is no thread-specific heap or data segment, code section and other operating system resources (unlike process) Threads are lightweight ...
... There is no thread-specific heap or data segment, code section and other operating system resources (unlike process) Threads are lightweight ...
Kluge_Habilitation - OPUS Augsburg
... Technological advancements enable to integrate more and more processing cores on single chips. After several years of multicore processors, in the last years the first manycore processors with 64 and more cores have reached the markets. Concurrently, designers of safetycritical systems strive to int ...
... Technological advancements enable to integrate more and more processing cores on single chips. After several years of multicore processors, in the last years the first manycore processors with 64 and more cores have reached the markets. Concurrently, designers of safetycritical systems strive to int ...
Chap05
... To examine several classical process-synchronization problems To explore several tools that are used to solve process ...
... To examine several classical process-synchronization problems To explore several tools that are used to solve process ...
Mac OS 8 Revealed
... such as programmers, product managers, engineering managers, systems integrators, information system professionals, and instructional designers. Technically oriented computer enthusiasts might also enjoy this tour. This book illustrates many Mac OS 8 user features and describes many of the system’s ...
... such as programmers, product managers, engineering managers, systems integrators, information system professionals, and instructional designers. Technically oriented computer enthusiasts might also enjoy this tour. This book illustrates many Mac OS 8 user features and describes many of the system’s ...
CHAPTER 2: Computer Clusters for Scalable Parallel Computing
... node platforms at the user space. An availability middleware offers HA services. • An SSI layer provides a single entry point, a single file hierarchy, a single point of control, and a single job management system. Single memory may be realized with the help of the compiler or a runtime library. • A ...
... node platforms at the user space. An availability middleware offers HA services. • An SSI layer provides a single entry point, a single file hierarchy, a single point of control, and a single job management system. Single memory may be realized with the help of the compiler or a runtime library. • A ...
Figure 5.01
... Increased responsiveness to user: A program continues running with other threads even if part of it is blocked or performing a lengthy operation in one thread. Resource Sharing Threads share memory and resources of their process. Economy Less time consuming to create and manage threads t ...
... Increased responsiveness to user: A program continues running with other threads even if part of it is blocked or performing a lengthy operation in one thread. Resource Sharing Threads share memory and resources of their process. Economy Less time consuming to create and manage threads t ...
Proceedings of the General Track: 2003 USENIX Annual Technical Conference
... request having an identifiable start and end. This nature can be leveraged to implement a number of interesting synchronization algorithms. By associating idempotent changes of system data structures with an epoch of requests, one can identify states in which a data structure is no longer being refe ...
... request having an identifiable start and end. This nature can be leveraged to implement a number of interesting synchronization algorithms. By associating idempotent changes of system data structures with an epoch of requests, one can identify states in which a data structure is no longer being refe ...
ch8
... Copy-on-Write (COW) allows both parent and child processes to initially share the same pages in memory ...
... Copy-on-Write (COW) allows both parent and child processes to initially share the same pages in memory ...
Operating Systems Threads
... Everybody wants to run the same code Everybody wants to access the same data Everybody has the same privileges Everybody uses the same resources (open files, network connections, etc.) ...
... Everybody wants to run the same code Everybody wants to access the same data Everybody has the same privileges Everybody uses the same resources (open files, network connections, etc.) ...
Linux+ Guide to Linux Certification Chapter Nine System Initialization
... on to ensure that hardware components are functional ...
... on to ensure that hardware components are functional ...
Chapter 4: Threads
... Linux refers to them as tasks rather than threads Thread creation is done through clone() system call clone() allows a child task to share the address space of the parent task ...
... Linux refers to them as tasks rather than threads Thread creation is done through clone() system call clone() allows a child task to share the address space of the parent task ...
Xen and the Art of Virtualization
... flexibility — running a full OS is more heavyweight than running a process, both in terms of initialization (e.g. booting or resuming versus fork and exec), and in terms of resource consumption. For our target of up to 100 hosted OS instances, we believe this price is worth paying; it allows individ ...
... flexibility — running a full OS is more heavyweight than running a process, both in terms of initialization (e.g. booting or resuming versus fork and exec), and in terms of resource consumption. For our target of up to 100 hosted OS instances, we believe this price is worth paying; it allows individ ...
Process Synchronization
... With each semaphore there is an associated waiting queue Each entry in a waiting queue has two data items: ...
... With each semaphore there is an associated waiting queue Each entry in a waiting queue has two data items: ...
a High-performance Endsystem Architecture for Real
... overview of the primary components in the CORBA reference model is presented first. ...
... overview of the primary components in the CORBA reference model is presented first. ...
Red Hat Enterprise Linux 5 EAL4 High-Level Design Version 1.0.1
... This document is provided “AS IS” with no express or implied warranties. Use the information in this document at your own risk. This document may be reproduced or distributed in any form without prior permission provided the copyright notice is retained on all copies. Modified versions of this docum ...
... This document is provided “AS IS” with no express or implied warranties. Use the information in this document at your own risk. This document may be reproduced or distributed in any form without prior permission provided the copyright notice is retained on all copies. Modified versions of this docum ...
Xen and the Art of Virtualization
... flexibility — running a full OS is more heavyweight than running a process, both in terms of initialization (e.g. booting or resuming versus fork and exec), and in terms of resource consumption. For our target of up to 100 hosted OS instances, we believe this price is worth paying; it allows individ ...
... flexibility — running a full OS is more heavyweight than running a process, both in terms of initialization (e.g. booting or resuming versus fork and exec), and in terms of resource consumption. For our target of up to 100 hosted OS instances, we believe this price is worth paying; it allows individ ...
MODERN OPERATING SYSTEMS Third Edition ANDREW S. …
... • When process #1 enters its critical region, it sets the variable to 2 when it leaves. • Process #2 would still be waiting by this time, and would enter its critical region as soon as the variable goes to 2. • If it were the last of the cooperating processes, it would set the variable back to 0 aga ...
... • When process #1 enters its critical region, it sets the variable to 2 when it leaves. • Process #2 would still be waiting by this time, and would enter its critical region as soon as the variable goes to 2. • If it were the last of the cooperating processes, it would set the variable back to 0 aga ...
Lecture-Review-Process
... • Threads are separate logical flows of control (with separate stacks!) that share memory and can refer to same data – Different models and variations exist – Application-level concurrency CS 5204 Fall 2013 ...
... • Threads are separate logical flows of control (with separate stacks!) that share memory and can refer to same data – Different models and variations exist – Application-level concurrency CS 5204 Fall 2013 ...
SLES High Level Design Version 2.25 1
... Intel and Pentium are trademarks of Intel Corporation in the United States, other countries, or both. Other company, product, and service names may be trademarks or service marks of others. This document is provided “AS IS” with no express or implied warranties. Use the information in this document ...
... Intel and Pentium are trademarks of Intel Corporation in the United States, other countries, or both. Other company, product, and service names may be trademarks or service marks of others. This document is provided “AS IS” with no express or implied warranties. Use the information in this document ...
CPU Scheduling
... instance, I/O queues). What happens if the process is preempted in the middle of these changes and the kernel (or the device driver) needs to read or modify the same structure? Chaos ensues. Certain operating systems, including most versions of UNIX, deal with this problem by waiting either for a sy ...
... instance, I/O queues). What happens if the process is preempted in the middle of these changes and the kernel (or the device driver) needs to read or modify the same structure? Chaos ensues. Certain operating systems, including most versions of UNIX, deal with this problem by waiting either for a sy ...