[jira] [Updated] (STDCXX-1072) [Oracle Solaris/SPARCV8] stricter mutex alignment requirements
[
https://issues.apache.org/jira/browse/STDCXX-1072?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Travis Vitek updated STDCXX-1072:
-
Attachment: before-runall.log
after-runall.log
> [Oracle Solaris/SPARCV8] stricter mutex alignment requirements
> --
>
> Key: STDCXX-1072
> URL: https://issues.apache.org/jira/browse/STDCXX-1072
> Project: C++ Standard Library
> Issue Type: Bug
> Components: Thread Safety
>Affects Versions: 4.2.1, 4.2.x, 4.3.x, 5.0.0
> Environment: Oracle Solaris on SPARC V8 (or V9 emulation?) hardware.
>Reporter: Liviu Nicoara
>Assignee: Liviu Nicoara
> Labels: SPARC, Solaris, V8, alignment, mutex
> Fix For: 4.2.x, 4.3.x, 5.0.0
>
> Attachments: after-runall.log, before-runall.log, patch.2.diff,
> patch.diff
>
> Original Estimate: 4h
> Remaining Estimate: 4h
>
> The issue has been reported in STDCXX-1040, then STDCXX-1066. The originator
> was apparently an improvement (as a response to CR 6296770:
> http://tinyurl.com/8ohjsgl) shipped with KU 137111-01
> (http://tinyurl.com/ceet6ec) which requires stricter alignment than the
> machine word for userland mutexes.
> Quoting here the Fujitsu patch notes (in case it goes away):
> {quote}
> {noformat}
> 2) When an application using the mutex lock or rw lock in the way shown below
> is executed. (*1, *2) ...
> *2) ... example of programming that causes the ... problem.
>
>
> int *ip;
> mutex_t *mp;
> ip = (int *) malloc(sizeof (int) + sizeof (mutex_t));
> mp = (mutex_t *) (ip + 1);
> /* The address is used with a modification */
>
>
>
> mutex_t mp; /* Obtained statically */
>
>
>
> mutex_t *mp;
> mp = (mutex_t *) malloc(sizeof (mutex_t));
>/* The address is used without any modifications */
>
> {noformat}
> {quote}
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[jira] [Updated] (STDCXX-1072) [Oracle Solaris/SPARCV8] stricter mutex alignment requirements
[
https://issues.apache.org/jira/browse/STDCXX-1072?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Liviu Nicoara updated STDCXX-1072:
--
Attachment: patch.2.diff
> [Oracle Solaris/SPARCV8] stricter mutex alignment requirements
> --
>
> Key: STDCXX-1072
> URL: https://issues.apache.org/jira/browse/STDCXX-1072
> Project: C++ Standard Library
> Issue Type: Bug
> Components: Thread Safety
>Affects Versions: 4.2.1, 4.2.x, 4.3.x, 5.0.0
> Environment: Oracle Solaris on SPARC V8 (or V9 emulation?) hardware.
>Reporter: Liviu Nicoara
>Assignee: Liviu Nicoara
> Labels: SPARC, Solaris, V8, alignment, mutex
> Fix For: 4.2.x, 4.3.x, 5.0.0
>
> Attachments: patch.2.diff, patch.diff
>
> Original Estimate: 4h
> Remaining Estimate: 4h
>
> The issue has been reported in STDCXX-1040, then STDCXX-1066. The originator
> was apparently an improvement (as a response to CR 6296770:
> http://tinyurl.com/8ohjsgl) shipped with KU 137111-01
> (http://tinyurl.com/ceet6ec) which requires stricter alignment than the
> machine word for userland mutexes.
> Quoting here the Fujitsu patch notes (in case it goes away):
> {quote}
> {noformat}
> 2) When an application using the mutex lock or rw lock in the way shown below
> is executed. (*1, *2) ...
> *2) ... example of programming that causes the ... problem.
>
>
> int *ip;
> mutex_t *mp;
> ip = (int *) malloc(sizeof (int) + sizeof (mutex_t));
> mp = (mutex_t *) (ip + 1);
> /* The address is used with a modification */
>
>
>
> mutex_t mp; /* Obtained statically */
>
>
>
> mutex_t *mp;
> mp = (mutex_t *) malloc(sizeof (mutex_t));
>/* The address is used without any modifications */
>
> {noformat}
> {quote}
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[jira] [Updated] (STDCXX-1072) [Oracle Solaris/SPARCV8] stricter mutex alignment requirements
[
https://issues.apache.org/jira/browse/STDCXX-1072?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Liviu Nicoara updated STDCXX-1072:
--
Affects Version/s: (was: 4.2.0)
(was: 4.1.4)
(was: 4.1.3)
(was: 4.1.2)
5.0.0
4.3.x
4.2.x
> [Oracle Solaris/SPARCV8] stricter mutex alignment requirements
> --
>
> Key: STDCXX-1072
> URL: https://issues.apache.org/jira/browse/STDCXX-1072
> Project: C++ Standard Library
> Issue Type: Bug
> Components: Thread Safety
>Affects Versions: 4.2.1, 4.2.x, 4.3.x, 5.0.0
> Environment: Oracle Solaris on SPARC V8 (or V9 emulation?) hardware.
>Reporter: Liviu Nicoara
> Labels: SPARC, Solaris, V8, alignment, mutex
> Fix For: 4.2.x, 4.3.x, 5.0.0
>
> Attachments: patch.diff
>
> Original Estimate: 4h
> Remaining Estimate: 4h
>
> The issue has been reported in STDCXX-1066. The originator was apparently an
> improvement (as a response to CR 6296770: http://tinyurl.com/8ohjsgl) shipped
> with KU 137111-01 (http://tinyurl.com/ceet6ec) which requires stricter
> alignment than the machine word for userland mutexes.
> Quoting here the Fujitsu patch notes (in case it goes away):
> {quote}
> {noformat}
> 2) When an application using the mutex lock or rw lock in the way shown below
> is executed. (*1, *2) ...
> *2) ... example of programming that causes the ... problem.
>
>
> int *ip;
> mutex_t *mp;
> ip = (int *) malloc(sizeof (int) + sizeof (mutex_t));
> mp = (mutex_t *) (ip + 1);
> /* The address is used with a modification */
>
>
>
> mutex_t mp; /* Obtained statically */
>
>
>
> mutex_t *mp;
> mp = (mutex_t *) malloc(sizeof (mutex_t));
>/* The address is used without any modifications */
>
> {noformat}
> {quote}
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[jira] [Updated] (STDCXX-1072) [Oracle Solaris/SPARCV8] stricter mutex alignment requirements
[
https://issues.apache.org/jira/browse/STDCXX-1072?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Liviu Nicoara updated STDCXX-1072:
--
Attachment: patch.diff
> [Oracle Solaris/SPARCV8] stricter mutex alignment requirements
> --
>
> Key: STDCXX-1072
> URL: https://issues.apache.org/jira/browse/STDCXX-1072
> Project: C++ Standard Library
> Issue Type: Bug
> Components: Thread Safety
>Affects Versions: 4.1.2, 4.1.3, 4.1.4, 4.2.0, 4.2.1
> Environment: Oracle Solaris on SPARC V8 (or V9 emulation?) hardware.
>Reporter: Liviu Nicoara
> Labels: SPARC, Solaris, V8, alignment, mutex
> Fix For: 4.2.x, 4.3.x, 5.0.0
>
> Attachments: patch.diff
>
> Original Estimate: 4h
> Remaining Estimate: 4h
>
> The issue has been reported in STDCXX-1066. The originator was apparently an
> improvement (as a response to CR 6296770: http://tinyurl.com/8ohjsgl) shipped
> with KU 137111-01 (http://tinyurl.com/ceet6ec) which requires stricter
> alignment than the machine word for userland mutexes.
> Quoting here the Fujitsu patch notes (in case it goes away):
> {quote}
> {noformat}
> 2) When an application using the mutex lock or rw lock in the way shown below
> is executed. (*1, *2) ...
> *2) ... example of programming that causes the ... problem.
>
>
> int *ip;
> mutex_t *mp;
> ip = (int *) malloc(sizeof (int) + sizeof (mutex_t));
> mp = (mutex_t *) (ip + 1);
> /* The address is used with a modification */
>
>
>
> mutex_t mp; /* Obtained statically */
>
>
>
> mutex_t *mp;
> mp = (mutex_t *) malloc(sizeof (mutex_t));
>/* The address is used without any modifications */
>
> {noformat}
> {quote}
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