IEEE 1003 1 CORR 1-2010 en Information Technology-Portable Operating System Interface (POSIX) Base Specifications Issue 7 - Technical Corrigendum 1 (IEEE Comput.pdf

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1、 IEEE Standard for Information TechnologyPortable Operating System Interface (POSIX) Base Specifications, Issue 7 Technical Corrigendum 1 Sponsored by the Portable Applications Standards Committee IEEE 3 Park Avenue New York, NY 10016-5997 USA 15 March 2013 IEEE Computer Society and The Open Group I

2、EEE Std 1003.1-2008/Cor 1-2013(Corrigendum to IEEE Std 1003.1-2008) IEEE Std 1003.1TM-2008/Cor 1-2013 (Corrigendum to IEEE Std 1003.1-2008) The Open Group Technical Standard Base Specifications, Issue 7 IEEE Standard for Information TechnologyPortable Operating System Interface (POSIX) Base Specific

3、ations, Issue 7Technical Corrigendum 1 Sponsor Portable Applications Standards Committee of the IEEE Computer Society and The Open Group Approved 6 February 2013 IEEE-SA Standards Board Approved 25 October 2012 The Open Group Abstract: This Technical Corrigendum addresses problems discovered since t

4、he approval of IEEE Std 1003.1TM-2008. Keywords: application program interface (API), argument, asynchronous, basic regular expression (BRE), batch job, batch system, built-in utility, byte, child, command language interpreter, CPU, extended regular expression (ERE), FIFO, file access control mechan

5、ism, IEEE 1003.1TM, input/output (I/O), job control, network, portable operating system interface (POSIX) The Institute of Electrical and Electronics Engineers, Inc. 3 Park Avenue, New York, NY 10016-5997, USA Copyright 2013 by The Institute of Electrical and Electronics Engineers, Inc. and The Open

6、 Group. All rights reserved. Published 15 March 2013. Printed in the United States of America. Published 15 March 2013 by The Open Group. Printed in the United Kingdom by The Open Group. IEEE is a registered trademark in the U.S. Patent +1 978 750 8400. Permission to photocopy portions of any indivi

7、dual standard for educational classroom use can also be obtained through the Copyright Clearance Center. Copyright 2013 IEEE and The Open Group. All rights reserved. v Notice to users Laws and regulations Users of IEEE Standards documents should consult all applicable laws and regulations. Complianc

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14、 accessed at the following URL: http:/standards.ieee.org/findstds/errata/index.html. Users are encouraged to check this URL for errata periodically. Patents Attention is called to the possibility that implementation of this standard may require use of subject matter covered by patent rights. By publ

15、ication of this standard, no position is taken by the IEEE with respect to the existence or validity of any patent rights in connection therewith. If a patent holder or patent applicant has filed a statement of assurance via an Accepted Letter of Assurance, then the statement is listed on the IEEE-S

16、A website at http:/standards.ieee.org/about/sasb/patcom/patents.html. Letters of Assurance may indicate whether the Submitter is willing or unwilling to grant licenses under patent rights without compensation or under reasonable rates, with reasonable terms and conditions that are demonstrably free

17、of any unfair discrimination to applicants desiring to obtain such licenses. Copyright 2013 IEEE and The Open Group. All rights reserved. vi Essential Patent Claims may exist for which a Letter of Assurance has not been received. The IEEE is not responsible for identifying Essential Patent Claims fo

18、r which a license may be required, for conducting inquiries into the legal validity or scope of Patents Claims, or determining whether any licensing terms or conditions provided in connection with submission of a Letter of Assurance, if any, or in any licensing agreements are reasonable or non-discr

19、iminatory. Users of this standard are expressly advised that determination of the validity of any patent rights, and the risk of infringement of such rights, is entirely their own responsibility. Further information may be obtained from the IEEE Standards Association. Copyright 2013 IEEE and The Ope

20、n Group. All rights reserved. vii Participants IEEE Std 1003.1TM-2008/Cor 1-2013 was prepared by the Austin Group, sponsored by the Portable Applications Standards Committee of the IEEE Computer Society, The Open Group, and ISO/IEC JTC 1/SC22. The Austin Group At the time this IEEE standard was comp

21、leted, the Austin Group had the following membership: Andrew Josey, Chair Donald W. Cragun, Organizational Representative, IEEE PASC Nicholas Stoughton, Organizational Representative, ISO/IEC JTC 1/SC22 Mark S. Brown, Organizational Representative, The Open Group Cathy Fox, Technical Editor Austin G

22、roup Technical Reviewers Eric Blake Paolo Bonzini Mark S. Brown Geoff Clare Donald W. Cragun Ulrich Drepper Laszlo Ersek Hal Finkel Mark Harris Tom Honermann Ross Johnson Andrew Josey Alexey Khoroshilov Antoine Leca Vincent Lefvre Matt McCutchen Christoph Anton Mitterer Peter OGorman Peter Petrov Ja

23、mes C. Pugsley Jrg Schilling Ed Schouten Konrad Schwarz Martin Sebor Nicolas Sitbon Nicholas Stoughton Jilles Tjoelker Nathan Weeks David A. WheelerAustin Group Working Group Members Hans Aberg Eitan Adler Tanaka Akira Matthias Andree Matt W. Benjamin Guido Berhoerster Eric Blake Hans Boehm Paolo Bo

24、nzini Davide Brini Andries E. Brouwer Mark S. Brown David Butenhof Albert Cahalan Stephane Chazelas Geoff Clare Garrett Cooper Donald W. Cragun Matthew Dempsky Casper Dik Niall Douglas Ulrich Drepper Lawrence D.K.B. Dwyer Paul Eggert Julian Elischer Laszlo Ersek Bruce Evans Sean C. Farley Hal Finkel

25、 Glenn Fowler Mike Frysinger Pierre Gaston Thorsten Glaser Philip Guenther Bruno Haible Mark Harris David Holland Tom Honermann Ross Johnson Andrew Josey Dan Kegel Michael Kerrisk Alexey Khoroshilov Josh Knight Jonathan A. Kollasch Bruce Korb David Korn Terry Lambert Antoine Leca Vincent Lefvre Wojt

26、ek Lerch Scott Lurndal Roger Marquis Matt McCutchen Esmaeil Mirzaee Christoph Anton Mitterer Joseph S. Myers Alexander Nasonov Jonathan Nieder Carlos ODonell Peter OGorman Peter Petrov Wayne Pollock James C. Pugsley Chet Ramey Xavier Roche Copyright 2013 IEEE and The Open Group. All rights reserved.

27、 viii Jeroen Ruigrok van der Werven Bart Schaefer Jrg Schilling Nico Schottelius Ed Schouten Konrad Schwarz Jens Schweikhardt Martin Sebor Glen Seeds Thor Lancelot Simon Keld Simonsen Nicolas Sitbon Johannes Sixt Paul Smith Nicholas Stoughton Marcel Telka Jilles Tjoelker Fred J. Tydeman Nathan Weeks

28、 David A. Wheeler Mats D Wichmann Garrett Wollman Jrg Wunsch The Open Group When The Open Group approved the Base Specifications, Issue 7, Technical Corrigendum 1 on 25 October 2012, the membership of The Open Group Base Working Group was as follows: Andrew Josey, Chair Mark S. Brown, Austin Group L

29、iaison Cathy Fox, Technical Editor Base Working Group Members Eric Blake Mark S. Brown David Butenhof Geoff Clare Donald W. Cragun Lawrence D.K.B. Dwyer Darrin Johnson James C. Pugsley William L. Toth Kevin Van VechtenPortable Applications Standards Committee (PASC) Joseph M. Gwinn, Chair Andrew Jos

30、ey, Functional Chair (Interpretations) Curtis Royster Jr., Functional Chair (Logistics) Nicholas Stoughton, SecretaryIEEE The following members of the individual balloting committee voted on this standard. Balloters may have voted for approval, disapproval, or abstention. Mark S. Brown Michael Brown

31、e Keith Chow Donald W. Cragun Thomas Dineen Andrew Fieldsend David Fuschi Randall Groves Joseph Gwinn Werner Hoelzl Andrew Josey Piotr Karocki Fernando Lucas Rodriguez Greg Luri Peter Petrov Bartien Sayogo Stephen Schwarm Gil Shultz Walter Struppler Oren Yuen Copyright 2013 IEEE and The Open Group.

32、All rights reserved. ix When the IEEE-SA Standards Board approved this standard on 6 February 2013, it had the following membership: John Kulick, Chair Richard H. Hulett, Past Chair Konstantinos Karachalios, Secretary Masayuki Ariyoshi Peter Balma Farooq Bari Ted Burse Wael William Diab Stephen Duke

33、s Jean-Philippe Faure Alexander Gelman Mark Halpin Gary Hoffman Paul Houz Jim Hughes Michael Janezic Joseph L. Koepfinger* David J. Law Oleg Logvinov Ron Petersen Gary Robinson Jon Walter Rosdahl Adrian Stephens Peter Sutherland Yatin Trivedi Phil Winston Yu Yuan *Member Emeritus Also included are t

34、he following nonvoting IEEE-SA Standards Board liaisons: Richard DeBlasio, DOE Representative Michael Janezic, NIST Representative Don Messina, IEEE Standards Program Manager, Document Development Michael Kipness, IEEE Standards Program Manager, Technical Program Development Copyright 2013 IEEE and

35、The Open Group. All rights reserved. x Introduction This introduction is not part of IEEE Std 1003.1TM-2008/Cor1-2013 IEEE Standard for Information TechnologyPortable Operating System Interface (POSIX) Base Specifications, Issue 7Technical Corrigendum 1. This Technical Corrigendum addresses issues r

36、aised in defect reports and interpretation requests submitted up to 17 May 2011 that meet all of the following criteria: (a) They are in the scope of the approved standard. (b) They contain no new APIs (functions/utilities); however, they may add enumeration symbols, non-function #defines, and reser

37、ve additional namespaces. (c) They address contradictions between different parts of the standard, or add consistency between the standard and overriding standards, or address security-related problems. Copyright 2013 IEEE and The Open Group. All rights reserved. xi Contents 1. Changes to Base Defin

38、itions . 2 2. Changes to System Interfaces . 27 3. Changes to Shell and Utilities .260 4. Changes to Rationale .311 Copyright 2013 IEEE and The Open Group. All rights reserved. 1IEEE Standard for Information 1 TechnologyPortable Operating 2 System Interface (POSIX) 3 4 Base Specifications, Issue 75

39、Technical Corrigendum 1 6 IMPORTANT NOTICE: IEEE Standards documents are not intended to ensure safety, health, or 7 environmental protection, or ensure against interference with or from other devices or networks. 8 Implementers of IEEE Standards documents are responsible for determining and complyi

40、ng with all 9 appropriate safety, security, environmental, health, and interference protection practices and all 10 applicable laws and regulations. 11 This IEEE document is made available for use subject to important notices and legal disclaimers. 12 These notices and disclaimers appear in all publ

41、ications containing this document and may be found 13 under the heading “Important Notice” or “Important Notices and Disclaimers Concerning IEEE 14 Documents”. They can also be obtained on request from IEEE or viewed at 15 http:/standards.ieee.org/IPR/disclaimers.html. 16 NOTE: The editing instructi

42、ons contained in this corrigendum define how to merge the material contained therein into 17 the existing base standard to form the comprehensive standard. 18 IEEE Std 1003.1TM-2008/Cor 1-2013 IEEE Standard for Information TechnologyPortable Operating System Interface (POSIX) Base Specifications, Is

43、sue 7Technical Corrigendum 1 Copyright 2013 IEEE and The Open Group. All rights reserved. 2 1. Changes to Base Definitions 28 This section contains the set of changes to the text of the Base Definitions. 29 Note to reviewers: References to defect reports are provided to aid reviewers. 30 Change Numb

44、er: Frontmatter/TC1/D5/0001 246 31 32 On Page: ix Line: 0 Section: Typographical Conventions 33 34 In the table of conventions, first column, change from: 35 36 Filename 37 38 to: 39 40 Filename, Pathname 41 42 Rationale: Austin Group Defect Report(s) applied: 246. 43 See http:/ 44 45 46 Change Numb

45、er: Frontmatter/TC1/D5/0002 341 47 48 On Page: ix Line: none Section: Typographical Conventions 49 50 Change: 51 52 53 54 in Note 2 to: 55 56 57 58 Rationale: Austin Group Defect Report(s) applied: 341. 59 See http:/ 60 61 62 Change Number: XBD/TC1/D5/0001 68 63 64 65 On Page: 9 Line: 247 Section: 1

46、.7.1 Codes 66 67 Change from: 68 69 MXIEC 60559 Floating-Point 70 The functionality described is optional. The functionality described is 71 also an extension to the ISO C standard. 72 73 Where applicable, functions are marked with the MX margin legend in 74 the SYNOPSIS section. Where additional se

47、mantics apply to a function, 75 the material is identified by use of the MX margin legend./MX 76 77 to: 78 79 MXIEC 60559 Floating-Point 80 The functionality described is optional. The functionality described 81 is mandated by the ISO C standard only for implementations that define 82 _STDC_IEC_559_

48、./MX 83 84 IEEE Std 1003.1TM-2008/Cor 1-2013 IEEE Standard for Information TechnologyPortable Operating System Interface (POSIX) Base Specifications, Issue 7Technical Corrigendum 1 Copyright 2013 IEEE and The Open Group. All rights reserved. 3 MXXIEC 60559 Floating-Point Extension 85 The functionali

49、ty described is part of the IEC 60559 Floating-Point 86 option, but is an extension to the ISO C standard./MXX 87 88 Rationale: Austin Group Defect Report(s) applied: 68. 89 See http:/ 90 91 92 Change Number: XBD/TC1/D5/0002 291 93 94 95 On Page: 21 Line: 730 Section: 2.1.5.1 Subprofiling Considerations 96 97 Change from: 98 99 filename argument 100 101 to: 102 103 pathname argument 104 105 Rationale