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| ID | Category | Severity | Type | Date Submitted | Last Update | ||||||||
| 0001187 | [1003.1(2016)/Issue7+TC2] System Interfaces | Editorial | Enhancement Request | 2018-02-07 00:48 | 2019-03-04 16:29 | ||||||||
| Reporter | nsz | View Status | public | ||||||||||
| Assigned To | |||||||||||||
| Priority | normal | Resolution | Accepted As Marked | ||||||||||
| Status | Resolved | ||||||||||||
| Name | Szabolcs Nagy | ||||||||||||
| Organization | musl libc | ||||||||||||
| User Reference | |||||||||||||
| Section | sigaltstack | ||||||||||||
| Page Number | 1959 | ||||||||||||
| Line Number | 63157-63158 | ||||||||||||
| Interp Status | --- | ||||||||||||
| Final Accepted Text | See Note: 0004274. | ||||||||||||
| Summary | 0001187: sigaltstack ss->ss_flags cannot contain extension flags | ||||||||||||
| Description |
The way sigaltstack is specified currently, the caller can only set ss->ss_flags to SS_DISABLE or 0, other values shall fail with EINVAL. This makes extensions, such as SS_AUTODISARM on linux, non-conforming http://man7.org/linux/man-pages/man2/sigaltstack.2.html [^] even though posix usually allows such extension flags with implementation defined behaviour so it is easy to add new features. |
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| Desired Action |
allow other flags than SS_DISABLE, e.g. change The sigaltstack() function shall fail if: [EINVAL] The ss argument is not a null pointer, and the ss_flags member pointed to by ss contains flags other than SS_DISABLE. to The sigaltstack() function shall fail if: [EINVAL] The ss argument is not a null pointer, and the ss_flags member pointed to by ss has SS_ONSTACK or invalid flags set. or just change "shall" to "may". |
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| Tags | tc3-2008 | ||||||||||||
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Notes |
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(0004274) Don Cragun (manager) 2019-03-04 16:26 edited on: 2019-03-04 23:21 |
At page 1959 lines 63157-63158 Change: The sigaltstack() function shall fail if: [EINVAL] The ss argument is not a null pointer, and the ss_flags member pointed to by ss contains flags other than SS_DISABLE. to The sigaltstack() function shall fail if: [EINVAL] The ss argument is not a null pointer, and the ss_flags member pointed to by ss has SS_ONSTACK or invalid flags set. |
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Issue History |
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| Date Modified | Username | Field | Change |
| 2018-02-07 00:48 | nsz | New Issue | |
| 2018-02-07 00:48 | nsz | Name | => Szabolcs Nagy |
| 2018-02-07 00:48 | nsz | Organization | => musl libc |
| 2018-02-07 00:48 | nsz | Section | => sigaltstack |
| 2019-03-04 16:26 | Don Cragun | Interp Status | => --- |
| 2019-03-04 16:26 | Don Cragun | Note Added: 0004274 | |
| 2019-03-04 16:26 | Don Cragun | Status | New => Resolved |
| 2019-03-04 16:26 | Don Cragun | Resolution | Open => Accepted As Marked |
| 2019-03-04 16:27 | Don Cragun | Final Accepted Text | => See Note: 0004274. |
| 2019-03-04 16:27 | Don Cragun | Tag Attached: tc3-2008 | |
| 2019-03-04 16:29 | Don Cragun | Page Number | => 1959 |
| 2019-03-04 16:29 | Don Cragun | Line Number | => 63157-63158 |
| 2019-03-04 23:21 | Don Cragun | Note Edited: 0004274 | |
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