From 5d4821443adc584f0262c68f8b33fa8bb36f8406 Mon Sep 17 00:00:00 2001
From: Andrey Kleshchev <117672381+akleshchev@users.noreply.github.com>
Date: Thu, 4 Jun 2026 01:38:33 +0300
Subject: #5892 Process high priority inventory updates immediately

---
 indra/newview/llaisapi.cpp | 18 ++++++++++++++++++
 indra/newview/llaisapi.h   |  2 ++
 2 files changed, 20 insertions(+)

diff --git a/indra/newview/llaisapi.cpp b/indra/newview/llaisapi.cpp
index 1c5530916f..f0b7457fa2 100644
--- a/indra/newview/llaisapi.cpp
+++ b/indra/newview/llaisapi.cpp
@@ -1039,6 +1039,19 @@ AISUpdate::AISUpdate(const LLSD& update, AISAPI::COMMAND_TYPE type, const LLSD&
         mFetchDepth = request_body["depth"].asInteger();
     }
 
+    // Some tasks are time sensitive, don't wait for them.
+    // Like FETCHCOF which happens on load and is needed for outfit
+    // loading.
+    // FETCHCATEGORYLINKS is used for wearing outfits and fetching
+    // a user selected outfit or for following an outfit link in COF.
+    // Other tasks, like FETCHCATEGORYSUBSET are general background
+    // fetches and can safely wait.
+    // Do count 'time sensitive' tasks in batch timer.
+    mUseTimeout =
+        type != AISAPI::UPDATECATEGORY
+        && type != AISAPI::UPDATEITEM
+        && type != AISAPI::FETCHCOF
+        && type != AISAPI::FETCHCATEGORYLINKS;
     mTaskTimer.setTimerExpirySec(AIS_TASK_EXPIRY_SECONDS);
     mTaskTimer.start();
 
@@ -1069,6 +1082,11 @@ void AISUpdate::clearParseResults()
 
 void AISUpdate::checkTimeout()
 {
+    if (!mUseTimeout)
+    {
+        // Priority task, don't wait.
+        return;
+    }
     if (mTaskTimer.hasExpired() || sBatchTimer.hasExpired())
     {
         // If we are taking too long, don't starve other tasks,
diff --git a/indra/newview/llaisapi.h b/indra/newview/llaisapi.h
index 1dab0dd1f9..b31768d426 100644
--- a/indra/newview/llaisapi.h
+++ b/indra/newview/llaisapi.h
@@ -109,6 +109,7 @@ private:
 
 class AISUpdate
 {
+    LOG_CLASS(AISUpdate);
 public:
     AISUpdate(const LLSD& update, AISAPI::COMMAND_TYPE type, const LLSD& request_body);
     void parseUpdate(const LLSD& update);
@@ -158,6 +159,7 @@ private:
     uuid_list_t mCategoryIds;
     bool mFetch;
     S32 mFetchDepth;
+    bool mUseTimeout;
     LLTimer mTaskTimer;
     static LLTimer sBatchTimer;
     static U32 sBatchFrameCount;
-- 
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