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DownloadLatestAlLanguageExtension concurrency mutex exception #4127

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DownloadLatestAlLanguageExtension concurrency mutex exception #4127

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defb385
DownloadLatestAlLanguageExtension concurrency mutex exception
Apr 23, 2026
8f35826
adding release note for mutex fix
Apr 23, 2026
dd61b54
Merge branch 'main' into lkn/mutexaccess
lktraser Apr 23, 2026
5870343
Merge branch 'main' into lkn/mutexaccess
lktraser May 6, 2026
a3d221f
Merge branch 'main' into lkn/mutexaccess
lktraser May 13, 2026
a98612e
Merge branch 'main' into lkn/mutexaccess
lktraser May 29, 2026
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8 changes: 6 additions & 2 deletions HelperFunctions.ps1
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Original file line number Diff line number Diff line change
Expand Up @@ -1327,8 +1327,12 @@ function DownloadLatestAlLanguageExtension {
}
}

$mutexName = "DownloadAlLanguageExtension"
$mutex = New-Object System.Threading.Mutex($false, $mutexName)
$mutexName = "Global\DownloadAlLanguageExtension"
$createdNew = $false
$security = New-Object System.Security.AccessControl.MutexSecurity
$rule = New-Object System.Security.AccessControl.MutexAccessRule([System.Security.Principal.SecurityIdentifier]::new([System.Security.Principal.WellKnownSidType]::WorldSid, $null), [System.Security.AccessControl.MutexRights]::FullControl, [System.Security.AccessControl.AccessControlType]::Allow)
$security.AddAccessRule($rule)
$mutex = New-Object System.Threading.Mutex($false, $mutexName, [ref]$createdNew, $security)
try {
try {
if (!$mutex.WaitOne(1000)) {
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2 changes: 2 additions & 0 deletions ReleaseNotes.txt
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@@ -1,6 +1,8 @@
6.1.16
Fixed DownloadLatestAlLanguageExtension concurrency mutex exception

6.1.15
Add retry with exponential backoff in DockerDo for transient MCR pull failures caused by Azure Front Door CDN/WAF blocks
New-BcCompilerFolder: Add platformArtifactUrl parameter to allow using a different platform than the one related to artifactUrl (like New-BcContainer)
Add retry with exponential backoff in DockerDo for transient MCR pull failures caused by Azure Front Door CDN/WAF blocks (delays: 5s, 15s, 30s, 60s, 120s)
Add support for framework-dependent AL Language VSIX (flat bin/ layout without platform-specific subdirectories)
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