[ARROW-17126] [C++] Remove FutureWaiter

• Type: Task
• Status: Closed
• Priority: Minor
• Resolution: Done
• Component/s: C++
• Labels: good-first-issue good-second-issue
• External issue URL: https://github.com/apache/arrow/issues/32428
• Assignee: Unassigned
• Reporter: Antoine Pitrou
• Created: 19/Jul/22 11:50
• Updated: 11/Jan/23 11:48
• Resolved: 21/Jul/22 10:00

Description

FutureWaiter and dependent APIs (FutureIterator, WaitForAll, WaitForAny).

Removing FutureWaiter would significantly simplify the Future implementation, making it also more maintainable and potentially faster.

Issue Links

• is superceded by: ARROW-17087 [C++] Race condition in scanner test