88 lines
1.3 KiB
C++
88 lines
1.3 KiB
C++
// SPDX-License-Identifier: GPL-2.0-or-later
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// Copyright The Music Player Daemon Project
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#include "Thread.hxx"
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#include "system/Error.hxx"
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#ifdef ANDROID
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#include "java/Global.hxx"
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#endif
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#ifdef _WIN32
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#include <synchapi.h> // for WaitForSingleObject()
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#include <windef.h> // for HWND (needed by winbase.h)
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#include <winbase.h> // for INFINITE
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#endif
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void
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Thread::Start()
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{
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assert(!IsDefined());
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#ifdef _WIN32
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handle = ::CreateThread(nullptr, 0, ThreadProc, this, 0, &id);
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if (handle == nullptr)
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throw MakeLastError("Failed to create thread");
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#else
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int e = pthread_create(&handle, nullptr, ThreadProc, this);
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if (e != 0)
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throw MakeErrno(e, "Failed to create thread");
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#endif
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}
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void
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Thread::Join() noexcept
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{
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assert(IsDefined());
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assert(!IsInside());
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#ifdef _WIN32
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::WaitForSingleObject(handle, INFINITE);
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::CloseHandle(handle);
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handle = nullptr;
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#else
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pthread_join(handle, nullptr);
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handle = pthread_t();
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#endif
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}
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inline void
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Thread::Run() noexcept
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{
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f();
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#ifdef ANDROID
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Java::DetachCurrentThread();
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#endif
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}
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#ifdef _WIN32
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DWORD WINAPI
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Thread::ThreadProc(LPVOID ctx) noexcept
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{
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Thread &thread = *(Thread *)ctx;
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thread.Run();
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return 0;
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}
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#else
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void *
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Thread::ThreadProc(void *ctx) noexcept
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{
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Thread &thread = *(Thread *)ctx;
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#ifndef NDEBUG
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thread.inside_handle = pthread_self();
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#endif
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thread.Run();
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return nullptr;
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}
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#endif
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