[ARROW-15741] [Format] Clarify thread safety of C stream interface

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 8.0.0
• Component/s: Format
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/20124
• Assignee: Antoine Pitrou
• Reporter: Jorge Leitão
• Created: 21/Feb/22 07:17
• Updated: 11/Jan/23 11:39
• Resolved: 16/Mar/22 16:49

Description

The C stream interface has the method `get_next` that mutates the producer side.

We do not mention whether there is some kind of thread safety associated to such interface. For example, can the interface be shared between two threads and both call get_next at the same time?

Issue Links

• links to: GitHub Pull Request #12647