From 3a6a5855cf36967c6bde31292669bfaf832c6f0b Mon Sep 17 00:00:00 2001
From: Dan Engelbrecht <dan.engelbrecht@epicgames.com>
Date: Mon, 30 Oct 2023 09:32:54 +0100
Subject: New GC implementation (#459)

- Feature: New garbage collection implementation, still in evaluation mode. Enabled by `--gc-v2` command line option
---
 src/zencore/workthreadpool.cpp | 20 +++++++++++++++++---
 1 file changed, 17 insertions(+), 3 deletions(-)

(limited to 'src/zencore/workthreadpool.cpp')

diff --git a/src/zencore/workthreadpool.cpp b/src/zencore/workthreadpool.cpp
index cc21e717a..3a4b1e6a1 100644
--- a/src/zencore/workthreadpool.cpp
+++ b/src/zencore/workthreadpool.cpp
@@ -199,7 +199,10 @@ WorkerThreadPool::WorkerThreadPool(int InThreadCount) : WorkerThreadPool(InThrea
 
 WorkerThreadPool::WorkerThreadPool(int InThreadCount, std::string_view WorkerThreadBaseName)
 {
-	m_Impl = std::make_unique<Impl>(InThreadCount, WorkerThreadBaseName);
+	if (InThreadCount > 0)
+	{
+		m_Impl = std::make_unique<Impl>(InThreadCount, WorkerThreadBaseName);
+	}
 }
 
 WorkerThreadPool::~WorkerThreadPool()
@@ -210,7 +213,14 @@ WorkerThreadPool::~WorkerThreadPool()
 void
 WorkerThreadPool::ScheduleWork(Ref<IWork> Work)
 {
-	m_Impl->ScheduleWork(std::move(Work));
+	if (m_Impl)
+	{
+		m_Impl->ScheduleWork(std::move(Work));
+	}
+	else
+	{
+		Work->Execute();
+	}
 }
 
 void
@@ -222,7 +232,11 @@ WorkerThreadPool::ScheduleWork(std::function<void()>&& Work)
 [[nodiscard]] size_t
 WorkerThreadPool::PendingWorkItemCount() const
 {
-	return m_Impl->PendingWorkItemCount();
+	if (m_Impl)
+	{
+		return m_Impl->PendingWorkItemCount();
+	}
+	return 0;
 }
 
 //////////////////////////////////////////////////////////////////////////
-- 
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