From eb7f02849c978daa8a415ceebc5d3a8b30d7eaf9 Mon Sep 17 00:00:00 2001
From: Gosha <284210+Lordron@users.noreply.github.com>
Date: Sun, 7 May 2023 00:59:37 +0300
Subject: Core/Misc: TaskScheduler cleanup (#28862)

-Pass std::chrono types by value, they are small enough to not be passed around by const&
-Same applied to Optional<group_t>
-Replace EmptyCallback with nullptr

Co-authored-by: Shauren <shauren.trinity@gmail.com>
---
 src/common/Utilities/TaskScheduler.cpp | 17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

(limited to 'src/common/Utilities/TaskScheduler.cpp')

diff --git a/src/common/Utilities/TaskScheduler.cpp b/src/common/Utilities/TaskScheduler.cpp
index 4874885eed6..8a5feffd12c 100644
--- a/src/common/Utilities/TaskScheduler.cpp
+++ b/src/common/Utilities/TaskScheduler.cpp
@@ -24,21 +24,21 @@ TaskScheduler& TaskScheduler::ClearValidator()
     return *this;
 }
 
-TaskScheduler& TaskScheduler::Update(success_t const& callback)
+TaskScheduler& TaskScheduler::Update(success_t const& callback/* = nullptr*/)
 {
     _now = clock_t::now();
     Dispatch(callback);
     return *this;
 }
 
-TaskScheduler& TaskScheduler::Update(size_t const milliseconds, success_t const& callback)
+TaskScheduler& TaskScheduler::Update(size_t const milliseconds, success_t const& callback/* = nullptr*/)
 {
     return Update(std::chrono::milliseconds(milliseconds), callback);
 }
 
-TaskScheduler& TaskScheduler::Async(std::function<void()> const& callable)
+TaskScheduler& TaskScheduler::Async(std::function<void()> callable)
 {
-    _asyncHolder.push(callable);
+    _asyncHolder.emplace(std::move(callable));
     return *this;
 }
 
@@ -73,7 +73,7 @@ TaskScheduler& TaskScheduler::InsertTask(TaskContainer task)
     return *this;
 }
 
-void TaskScheduler::Dispatch(success_t const& callback)
+void TaskScheduler::Dispatch(success_t const& callback/* = nullptr*/)
 {
     // If the validation failed abort the dispatching here.
     if (!_predicate())
@@ -108,12 +108,13 @@ void TaskScheduler::Dispatch(success_t const& callback)
     }
 
     // On finish call the final callback
-    callback();
+    if (callback)
+        callback();
 }
 
 void TaskScheduler::TaskQueue::Push(TaskContainer&& task)
 {
-    container.insert(task);
+    container.emplace(std::move(task));
 }
 
 auto TaskScheduler::TaskQueue::Pop() -> TaskContainer
@@ -164,7 +165,7 @@ bool TaskScheduler::TaskQueue::IsEmpty() const
 
 TaskContext& TaskContext::Dispatch(std::function<TaskScheduler&(TaskScheduler&)> const& apply)
 {
-    if (auto const owner = _owner.lock())
+    if (std::shared_ptr<TaskScheduler> owner = _owner.lock())
         apply(*owner);
 
     return *this;
-- 
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