99 lines
2.5 KiB
C++
99 lines
2.5 KiB
C++
// Copyright (c) Wojciech Figat. All rights reserved.
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#pragma once
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#if PLATFORM_WEB
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#include "../Base/ThreadBase.h"
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#ifdef __EMSCRIPTEN_PTHREADS__
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#include <pthread.h>
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#include <signal.h>
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#endif
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/// <summary>
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/// Thread object for Web platform.
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/// </summary>
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class FLAXENGINE_API WebThread : public ThreadBase
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{
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public:
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/// <summary>
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/// Initializes a new instance of the <see cref="WebThreadThread"/> class.
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/// </summary>
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/// <param name="runnable">The runnable.</param>
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/// <param name="name">The thread name.</param>
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/// <param name="priority">The thread priority.</param>
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WebThread(IRunnable* runnable, const String& name, ThreadPriority priority)
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: ThreadBase(runnable, name, priority)
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#ifdef __EMSCRIPTEN_PTHREADS__
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, _thread(0)
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#endif
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{
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}
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public:
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/// <summary>
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/// Factory method to create a thread with the specified stack size and thread priority
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/// </summary>
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/// <param name="runnable">The runnable object to execute</param>
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/// <param name="name">Name of the thread</param>
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/// <param name="priority">Tells the thread whether it needs to adjust its priority or not. Defaults to normal priority</param>
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/// <param name="stackSize">The size of the stack to create. 0 means use the current thread's stack size</param>
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/// <returns>Pointer to the new thread or null if cannot create it</returns>
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static WebThread* Create(IRunnable* runnable, const String& name, ThreadPriority priority = ThreadPriority::Normal, uint32 stackSize = 0);
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#ifdef __EMSCRIPTEN_PTHREADS__
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// [ThreadBase]
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void Join() override
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{
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pthread_join(_thread, nullptr);
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ClearHandleInternal();
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}
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protected:
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// [ThreadBase]
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void ClearHandleInternal() override
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{
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_thread = 0;
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}
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void SetPriorityInternal(ThreadPriority priority) override
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{
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// Not supported
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}
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void KillInternal(bool waitForJoin) override
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{
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if (waitForJoin)
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pthread_join(_thread, nullptr);
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pthread_kill(_thread, SIGKILL);
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}
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private:
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pthread_t _thread;
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static void* ThreadProc(void* pThis)
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{
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auto thread = (WebThread*)pThis;
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const int32 exitCode = thread->Run();
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return (void*)(uintptr)exitCode;
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}
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#else
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// [ThreadBase]
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void Join() override
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{
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}
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protected:
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// [ThreadBase]
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void ClearHandleInternal() override
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{
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}
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void SetPriorityInternal(ThreadPriority priority) override
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{
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}
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void KillInternal(bool waitForJoin) override
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{
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}
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#endif
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};
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#endif
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