Files
FlaxEngine/Source/Engine/Platform/Apple/AppleThread.h

76 lines
2.3 KiB
C++

// Copyright (c) 2012-2023 Wojciech Figat. All rights reserved.
#pragma once
#if PLATFORM_MAC || PLATFORM_IOS
#include "../Unix/UnixThread.h"
#include <signal.h>
/// <summary>
/// Thread object for Apple platform.
/// </summary>
class FLAXENGINE_API AppleThread : public UnixThread
{
public:
/// <summary>
/// Initializes a new instance of the <see cref="AppleThread"/> class.
/// </summary>
/// <param name="runnable">The runnable.</param>
/// <param name="name">The thread name.</param>
/// <param name="priority">The thread priority.</param>
AppleThread(IRunnable* runnable, const String& name, ThreadPriority priority)
: UnixThread(runnable, name, priority)
{
}
public:
/// <summary>
/// Factory method to create a thread with the specified stack size and thread priority
/// </summary>
/// <param name="runnable">The runnable object to execute</param>
/// <param name="name">Name of the thread</param>
/// <param name="priority">Tells the thread whether it needs to adjust its priority or not. Defaults to normal priority</param>
/// <param name="stackSize">The size of the stack to create. 0 means use the current thread's stack size</param>
/// <returns>Pointer to the new thread or null if cannot create it</returns>
static AppleThread* Create(IRunnable* runnable, const String& name, ThreadPriority priority = ThreadPriority::Normal, uint32 stackSize = 0)
{
return (AppleThread*)Setup(New<AppleThread>(runnable, name, priority), stackSize);
}
protected:
// [UnixThread]
int32 GetThreadPriority(ThreadPriority priority) override
{
switch (priority)
{
case ThreadPriority::Highest:
return 45;
case ThreadPriority::AboveNormal:
return 37;
case ThreadPriority::Normal:
return 31;
case ThreadPriority::BelowNormal:
return 25;
case ThreadPriority::Lowest:
return 20;
}
return 31;
}
int32 Start(pthread_attr_t& attr) override
{
return pthread_create(&_thread, &attr, ThreadProc, this);
}
void KillInternal(bool waitForJoin) override
{
if (waitForJoin)
pthread_join(_thread, nullptr);
pthread_kill(_thread, SIGKILL);
}
};
#endif