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1364. It is not clear howexception_ptr is synchronized
Section: 17.9.7 [propagation] Status: Resolved Submitter: Switzerland Opened: 2010-08-25 Last modified: 2016-01-28
Priority: Not Prioritized
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Discussion:
Addresses CH-19
It is not clear how exception_ptr is synchronized.
[ Resolution proposed by ballot comment ]
Make clear that accessing in different threads multiple exception_ptr objects that all refer to the same exception introduce a race.
[2011-03-08: Lawrence comments and drafts wording]
I think fundamentally, this issue is NAD, but clarification would not hurt.
Proposed resolution
Add a new paragraph to 17.9.7 [propagation] after paragraph 6 as follows:
[Note: Exception objects have no synchronization requirements, and expressions using them may conflict (6.10.2 [intro.multithread]). — end note]
Proposed resolution:
Resolved 2011-03 Madrid meeting by paper N3278
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