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Type: Bug
Resolution: Done
Priority: Minor - P4
Fix Version/s: 4.1.6
Affects Version/s: 2.1.1
Component/s: Internal Code
Labels:
- neweng
- platforms-interns-2017

Backwards Compatibility:
Fully Compatible
Operating System:
ALL
Sprint:
Dev Tools 2018-11-19
Confidence Status:
None
Work Order:
3
CAR Domain/s:
None

Aha! Reference:
None
Tracking Level:
None
Risk Status:
None
Exec Notes:
None
Goal Name(s):
None
Goal Link:
None

The definition of MONGO_SOMETIMES contains a race condition. It's current implementation is as follows:

#define MONGO_SOMETIMES( occasion, howOften ) for( static unsigned occasion = 0; ++occasion % howOften == 0; )

Plain-and-simple not thread safe.

is related to

SERVER-37247 Rarely macro should log first use of deprecated command

Closed

SERVER-14536 Helgrind suppressions for race-prone counters.cpp code

Closed

Assignee:: Billy Donahue
Reporter:: Andy Schwerin
Participants:: Andrew Morrow, Andy Schwerin, Billy Donahue, Githook User
Votes:: 0 Vote for this issue
Watchers:: 4 Start watching this issue

Created:: May 01 2012 05:33:19 PM UTC
Updated:: Dec 15 2018 07:39:53 PM UTC
Resolved:: Nov 16 2018 06:38:38 PM UTC
Confidence Status Last Update:: 06/Nov/18 9:35 PM