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> Unreal Engine API Reference > Runtime > Core > HAL > FThread > FThread > FThread::FThread

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FThread::FThread

Creates and immediately starts a new system thread that will execute `ThreadFunction_ argument.

Windows

MacOS

Linux

References

Module	Core
Header	/Engine/Source/Runtime/Core/Public/HAL/Thread.h
Include	#include "HAL/Thread.h"
Source	/Engine/Source/Runtime/Core/Private/HAL/Thread.cpp

Syntax

FThread
(
    TCHAR const * ThreadName,
    TUniqueFunction< void()> && ThreadFunction,
    uint32 StackSize,
    EThreadPriority ThreadPriority,
    uint64 ThreadAffinityMask
)

Remarks

Creates and immediately starts a new system thread that will execute `ThreadFunction_ argument. Can return before the thread is actually started or when it already finished execution.

Parameters

Parameter	Description
ThreadName	Name of the thread
ThreadFunction	The function that will be executed by the newly created thread
StackSize	The size of the stack to create. 0 means use the current thread's stack size
ThreadPriority	Tells the thread whether it needs to adjust its priority or not. Defaults to normal priority

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