[SERVER-41358] Add mongo::condition_variable polyfill Created: 29/May/19  Updated: 29/Oct/23  Resolved: 24/Jul/19

Status: Closed
Project: Core Server
Component/s: Internal Code
Affects Version/s: None
Fix Version/s: 4.3.1

Type: Improvement Priority: Major - P3
Reporter: Benjamin Caimano (Inactive) Assignee: Shaileja Jain (Inactive)
Resolution: Fixed Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
Depends
depends on SERVER-41357 Add mongo::mutex polyfill Closed
is depended on by SERVER-41363 Add waitingForLatch field to currentOp Closed
is depended on by SERVER-42166 Replace uses of stdx::condition_varia... Closed
Backwards Compatibility: Fully Compatible
Sprint: Service Arch 2019-07-15, Service Arch 2019-08-12
Participants:

 Description   

We'd like to make mongo::condition_variable able to take diagnostic information on wait. This represents a change to the api enough that it no longer belongs in stdx. This is related to the mongo::mutex work.



 Comments   
Comment by Githook User [ 31/Oct/19 ]

Author:

{'username': 'bcaimano', 'email': 'ben.caimano@mongodb.com', 'name': 'Ben Caimano'}

Message: SERVER-41357 SERVER-41360 SERVER-43324 Add Mutex, BasicLockableAdaptor, and DiagnosticInfo

This commit backports Mutex, BasicLockableAdaptor, and DiagnosticInfo to
v4.2. These pieces came in completely in various interleaved commits.
The constituent commits partially included in this backport are listed
below. The majority of these commits are part of the "Improved
Diagnostics for Latches" epic.

Mutex:

BasicLockableAdaptor:

DiagnosticInfo:

Note that while this commit adds these pieces and integrates them into
the mongo-server codebase, it does not convert existing stdx::mutex
construction. It also does not include the updates to Interruptible that
were done as part of "Improved Diagnostics for Latches".
Branch: v4.2
https://github.com/mongodb/mongo/commit/3a05e4ce75cd03b09b52ec5943e1801c6d91279b

Comment by Githook User [ 24/Jul/19 ]

Author:

{'name': 'Shaileja Jain', 'username': 'shailejajain', 'email': 'shaileja.jain@gmail.com'}

Message: SERVER-41358 Created condition_variable polyfill
Branch: master
https://github.com/mongodb/mongo/commit/baaa7c25fadcbe4f544a885be4734a0d50ad20d2

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