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IDProjectCategoryView StatusDate SubmittedLast Update
00012381003.1(2016/18)/Issue7+TC2System Interfacespublic2019-03-16 09:522024-06-11 09:08
Reporterkre Assigned To 
PrioritynormalSeverityObjectionTypeError
Status ClosedResolutionAccepted As Marked 
NameRobert Elz
Organization
User Reference
Sectionshmat
Page Number1940
Line Number62499
Interp Status---
Final Accepted TextSee 0001238:0004440
Summary0001238: shmat() used the word "it" with an ambiguous antecedent
DescriptionThe standard specifies:


  • The segment is attached for reading if (shmflg &SHM_RDONLY) is non-zero and the
    calling process has read permission; otherwise, if it is 0 and the calling proce
    ss has read and write permission, the segment is attached for reading and writin
    g.


The it which might be 0 could refer to any of

  • The segment

  • (shmflg &SHM_RDONLY)

  • the calling process


Desired ActionTwo possible solutions appear reasonable.




Pick one:

  1. In line 62499 in page 1940 change the wording
    from:

    if it is 0

    to:

    if (shmflg &SHM_RDONLY) is 0

  2. Delete all of pages 1940 to 1947 (inclusive).


Tagstc3-2008

Relationships

related to 0001239 Closed shmat() specifies non-portable return value 
related to 0001240 Closed shmctl(IPC_RMID) relationship with attached shared memory segments is not specified 
related to 0001237 Closed shmat() specifies use of an undefined operation 

Activities

nick

2019-06-20 15:49

manager   bugnote:0004440

Last edited: 2019-06-20 15:52

 Use option 1 of the desired action, but with the additional change of inserting a space after & in both the existing text of line 62499 and in the inserted text of the resolution.

Also change "(shmflg &SHM_RND)" on P1940, L62493 and on P1940, L62496 to "(shmflg & SHM_RND)".

Issue History

Date Modified Username Field Change
2019-03-16 09:52 kre New Issue
2019-03-16 09:52 kre Name => Robert Elz
2019-03-16 09:52 kre Section => shmat
2019-03-16 09:52 kre Page Number => 1940
2019-03-16 09:52 kre Line Number => 62499
2019-06-20 15:49 nick Note Added: 0004440
2019-06-20 15:49 nick Interp Status => ---
2019-06-20 15:49 nick Final Accepted Text => See 0001238:0004440
2019-06-20 15:49 nick Status New => Resolved
2019-06-20 15:49 nick Resolution Open => Accepted As Marked
2019-06-20 15:50 nick Tag Attached: tc3-2008
2019-06-20 15:52 nick Note Edited: 0004440
2019-06-24 15:37 eblake Relationship added related to 0001240
2019-06-24 15:38 eblake Relationship added related to 0001237
2019-06-24 15:39 eblake Relationship added related to 0001239
2019-11-14 14:35 geoffclare Status Resolved => Applied
2024-06-11 09:08 agadmin Status Applied => Closed