OpenVMS Alpha Internals: Scheduling and Process Control,9781555581565

OpenVMS Alpha Internals: Scheduling and Process Control

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ISBN13: 9781555581565
ISBN10: 1555581560
Format: Paperback
Pub. Date: 1996-12-26
Publisher(s): Elsevier Science
List Price: $109.14

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Summary

This is the first volume of a series that will update the book OpenVMS AXP and Data Structures Version 1.5. This volume covers the new scheduling model in Open VMS Alpha Version 7.0, which includes executive support for multithreading. It also discusses the life of a process, from creation to deletion. The series is the most comprehensive and detailed description available of any commercial operating system. It is intended for systems programmers, technical consultants, application designers, and other computer professionals interested in learning the details of the OpenVMS Executive. Teachers and students of graduate and advanced undergraduate courses in operating systems will also find this series a valuable study in how theory and practise are resolved in a complex commercial operating system.

Table of Contents

Preface xi
1 Life of a Process
1(8)
1.1 Process, Image, Kernel Thread, and Job
1(1)
1.2 Process Context
2(5)
1.3 Process Life Cycle Stages
7(2)
2 Scheduling
9(72)
2.1 Scheduling Data Structures
10(10)
2.2 Hardware Context
20(7)
2.3 Kernel Thread Priority
27(5)
2.4 Scheduling States
32(9)
2.5 Capabilities and Affinity
41(4)
2.6 Scheduling Dynamics
45(23)
2.7 Rescheduling Interrupt
68(10)
2.8 Class Scheduling
78(2)
2.9 Relevant Source Modules
80(1)
3 Event Flags
81(26)
3.1 Event Flags
81(5)
3.2 PCB and KTB Fields Related to Event Flags
86(2)
3.3 Associating to a Common Event Flag Cluster
88(1)
3.4 Dissociating from a Common Event Flag Cluster
89(1)
3.5 Deleting a Common Event Flag Cluster
90(1)
3.6 Waiting for an Event Flag
90(10)
3.7 Setting an Event Flag
100(2)
3.8 Reading and Clearing Event Flags
102(1)
3.9 Correct Use of Event Flags
102(2)
3.10 Example of Interprocess Synchronization Through Common Event Flags
104(1)
3.11 Relevant Source Modules
105(2)
4 Lock Management
107(44)
4.1 Overview
107(2)
4.2 Lock Management Data Structures
109(17)
4.3 Lock Management System Services
126(15)
4.4 Handling Deadlocks
141(8)
4.5 Relevant Source Modules
149(2)
5 Kernel Threads
151(72)
5.1 Overview
151(2)
5.2 Multithreading Controls
153(1)
5.3 Kernel Thread Data Structures
153(10)
5.4 Transitions to and from Multithreading
163(6)
5.5 Kernel Thread Creation and Deletion
169(9)
5.6 Scheduling
178(4)
5.7 Implications of Shared Memory
182(1)
5.8 Synchronization within a Multithreaded Process
183(21)
5.9 Upcalls from the Open VMS Executive to a User Mode Thread Manager
204(7)
5.10 DECthreads Thread Manager Overview
211(10)
5.11 Relevant Source Modules
221(2)
6 Process Control and Communication
223(40)
6.1 Requirements for Affecting Another Process
224(5)
6.2 Process Information System Services
229(14)
6.3 System Services Affecting Process Computability
243(12)
6.4 Miscellaneous Process Attribute Changes
255(4)
6.5 Interprocess Communication
259(2)
6.6 Relevant Source Modules
261(2)
7 Process Creation
263(36)
7.1 Overview
263(2)
7.2 Process Creation in the Context of the Creating Process
265(14)
7.3 Process Identification
279(4)
7.4 Swapper's Role in Process Creation
283(7)
7.5 Process Creation in the Context of the New Process
290(7)
7.6 Relevant Source Modules
297(2)
8 Image Activation and Exit
299(84)
8.1 Images
299(12)
8.2 Image and Image-Related Data Structures
311(14)
8.3 Image Activation
325(23)
8.4 Address Relocations and Fixups
348(12)
8.5 Image Startup
360(4)
8.6 Image Exit
364(6)
8.7 Image and Process Rundown
370(9)
8.8 Process Privileges
379(3)
8.9 Relevant Source Modules
382(1)
9 Translated Image Environment
383(34)
9.1 Overview
383(1)
9.2 Emulating the VAX Environment
384(7)
9.3 Translating an Image
391(5)
9.4 Calling Standards and Jacketing
396(8)
9.5 Translated Image Initiation
404(2)
9.6 Execution within the Translated Environment
406(9)
9.7 Relevant Source Modules
415(2)
10 Process Deletion
417(16)
10.1 Process Deletion in Context of Requesting Process
417(4)
10.2 Process Deletion in Context of Process Being Deleted
421(7)
10.3 Process Deletion in System Context
428(2)
10.4 Deletion of a Process that Owns Subprocesses
430(2)
10.5 Relevant Source Module
432(1)
11 Process Dynamics
433(38)
11.1 Overview
43(1)
11.2 Single-Image Process
434(5)
11.3 The Job Controller and Process Creation
439(3)
11.4 The LOGINOUT Image
442(10)
11.5 CLIs and Image Processing
452(9)
11.6 SPAWN and ATTACH
461(5)
11.7 Multiple-Image Processes
466(2)
11.8 LOGINOUT's Other Roles
468(2)
11.9 Relevant Source Modules
470(1)
App. A Lock and Resource Use by OPen VMS Components 471(28)
A.1 Aspects of Resource and Lock Use 471(2)
A.2 Executive Lock Use 473(3)
A.3 $MOUNT Lock Use 476(1)
A.4 $DISMOU Lock Use 477(1)
A.5 File System Lock Use 478(7)
A.6 RMS Lock Use 485(10)
A.7 Image Activator and Install Utility Lock Use 495(2)
A.8 NETACP Lock Use 497(4)
A.9 Job Controller and Queue Manager Lock Use 501(6)
A.10 SYSMAN Lock Use 507(2)
Selected Acronyms 509(10)
Index 519

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