Landing: 8e291742ed6e

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Project / Subsystem

gcc / ada

Date

2025-11-26

Author

Tonu Naks

Commit

8e291742ed6e9410c3cb239ca928fa679d484be9

Source

github

Perf win

Yes

Breaking

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All attributes

project: gcc
subsystem: ada
patch_id: —
commit_hash: 8e291742ed6e9410c3cb239ca928fa679d484be9
source_type: github
headline: Ada: Make __gnat_copy_attribs non-blocking on windows
tldr: The Ada runtime's `__gnat_copy_attribs` function now uses non-blocking file attribute fetching on Windows.
author: Tonu Naks
outcome: committed
performance_win: true
breaking_change: false
series_id: —
series_parts: []
tags: • ada
• windows
• performance
• non-blocking
discussion_id_link: —
bugzilla_pr: —
url: https://github.com/gcc-mirror/gcc/commit/8e291742ed6e9410c3cb239ca928fa679d484be9
date: 2025-11-26T00:00:00.000Z

On Windows, the Ada runtime function __gnat_copy_attribs now uses GetFileAttributesEx instead of GetFileAttributes to fetch file attributes. This change makes the operation non-blocking, potentially improving responsiveness in multi-threaded Ada applications that interact with the file system.