Add Windows-only support notes to ACL security types#12283
Merged
Conversation
Co-authored-by: gewarren <24882762+gewarren@users.noreply.github.com>
Copilot
AI
changed the title
[WIP] Add Windows support notes to security and threading types
Add Windows-only support notes to ACL security types
Feb 6, 2026
gewarren
approved these changes
Feb 6, 2026
Contributor
There was a problem hiding this comment.
Pull request overview
This PR adds platform support documentation to Windows-specific ACL (Access Control List) security types for named synchronization objects. The changes clarify that these types are only supported on Windows, improving developer understanding of platform limitations.
Changes:
- Added Windows-only platform support notes to 12 ACL security types in System.Security.AccessControl namespace
- Added Windows-only platform support notes to 4 ACL helper types in System.Threading namespace
Reviewed changes
Copilot reviewed 16 out of 16 changed files in this pull request and generated no comments.
Show a summary per file
| File | Description |
|---|---|
| xml/System.Threading/ThreadingAclExtensions.xml | Added Windows support note to extension methods class for ACL management |
| xml/System.Threading/SemaphoreAcl.xml | Added Windows support note to Semaphore ACL creation helper |
| xml/System.Threading/MutexAcl.xml | Added Windows support note to Mutex ACL creation helper |
| xml/System.Threading/EventWaitHandleAcl.xml | Added Windows support note to EventWaitHandle ACL creation helper |
| xml/System.Security.AccessControl/SemaphoreSecurity.xml | Added Windows support note to Semaphore security descriptor type |
| xml/System.Security.AccessControl/SemaphoreRights.xml | Added Windows support note to Semaphore access rights enumeration |
| xml/System.Security.AccessControl/SemaphoreAuditRule.xml | Added Windows support note to Semaphore audit rule type |
| xml/System.Security.AccessControl/SemaphoreAccessRule.xml | Added Windows support note to Semaphore access rule type |
| xml/System.Security.AccessControl/MutexSecurity.xml | Added Windows support note to Mutex security descriptor type |
| xml/System.Security.AccessControl/MutexRights.xml | Added Windows support note to Mutex access rights enumeration |
| xml/System.Security.AccessControl/MutexAuditRule.xml | Added Windows support note to Mutex audit rule type |
| xml/System.Security.AccessControl/MutexAccessRule.xml | Added Windows support note to Mutex access rule type |
| xml/System.Security.AccessControl/EventWaitHandleSecurity.xml | Added Windows support note to EventWaitHandle security descriptor type |
| xml/System.Security.AccessControl/EventWaitHandleRights.xml | Added Windows support note to EventWaitHandle access rights enumeration |
| xml/System.Security.AccessControl/EventWaitHandleAuditRule.xml | Added Windows support note to EventWaitHandle audit rule type |
| xml/System.Security.AccessControl/EventWaitHandleAccessRule.xml | Added Windows support note to EventWaitHandle access rule type |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.This suggestion is invalid because no changes were made to the code.Suggestions cannot be applied while the pull request is closed.Suggestions cannot be applied while viewing a subset of changes.Only one suggestion per line can be applied in a batch.Add this suggestion to a batch that can be applied as a single commit.Applying suggestions on deleted lines is not supported.You must change the existing code in this line in order to create a valid suggestion.Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be applied on multi-line comments.Suggestions cannot be applied while the pull request is queued to merge.Suggestion cannot be applied right now. Please check back later.
Added platform support documentation to 16 types that provide Windows access control list (ACL) functionality for named synchronization objects (EventWaitHandle, Mutex, Semaphore).
Changes
Added a NOTE at the beginning of Remarks for:
System.Security.AccessControl namespace:
System.Threading namespace:
Each type now includes:
Original prompt
💡 You can make Copilot smarter by setting up custom instructions, customizing its development environment and configuring Model Context Protocol (MCP) servers. Learn more Copilot coding agent tips in the docs.