[ARROW-17859] [C++] Use self-pipe in signal-receiving StopSource

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 11.0.0
• Component/s: C++
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/33076
• Assignee: Antoine Pitrou
• Reporter: Antoine Pitrou
• Created: 27/Sep/22 16:11
• Updated: 11/Jan/23 11:56
• Resolved: 23/Nov/22 21:58

Description

The signal-receiving StopSource currently uses elaborate hacks to request the StopSource from a signal handler. Instead we should just use a SelfPipe and send signals to a worker thread.

Issue Links

• is depended upon by: ARROW-12938 [C++] Investigate spawning arbitrary callbacks from StopToken
• relates to: ARROW-17975 [C++] Create after-fork facility
• links to: GitHub Pull Request #14250