mirror of https://github.com/minetest/minetest.git
111 lines
2.5 KiB
C++
111 lines
2.5 KiB
C++
/*
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Minetest
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Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef THREADS_HEADER
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#define THREADS_HEADER
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//
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// Determine which threading APIs we will use
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//
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#if __cplusplus >= 201103L
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#define USE_CPP11_THREADS 1
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#elif defined(_WIN32)
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#define USE_WIN_THREADS 1
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#else
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#define USE_POSIX_THREADS 1
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#endif
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#if defined(_WIN32)
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// Prefer critical section API because std::mutex is much slower on Windows
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#define USE_WIN_MUTEX 1
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#elif __cplusplus >= 201103L
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#define USE_CPP11_MUTEX 1
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#else
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#define USE_POSIX_MUTEX 1
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#endif
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///////////////
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#if USE_CPP11_THREADS
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#include <thread>
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#elif USE_POSIX_THREADS
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#include <pthread.h>
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#else
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#ifndef WIN32_LEAN_AND_MEAN
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#define WIN32_LEAN_AND_MEAN
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#endif
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#include <windows.h>
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#endif
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#include "threading/mutex.h"
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//
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// threadid_t, threadhandle_t
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//
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#if USE_CPP11_THREADS
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typedef std::thread::id threadid_t;
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typedef std::thread::native_handle_type threadhandle_t;
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#elif USE_WIN_THREADS
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typedef DWORD threadid_t;
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typedef HANDLE threadhandle_t;
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#elif USE_POSIX_THREADS
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typedef pthread_t threadid_t;
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typedef pthread_t threadhandle_t;
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#endif
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//
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// ThreadStartFunc
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//
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#if USE_CPP11_THREADS || USE_POSIX_THREADS
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typedef void *ThreadStartFunc(void *param);
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#elif defined(_WIN32_WCE)
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typedef DWORD ThreadStartFunc(LPVOID param);
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#elif defined(_WIN32)
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typedef DWORD WINAPI ThreadStartFunc(LPVOID param);
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#endif
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inline threadid_t thr_get_current_thread_id()
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{
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#if USE_CPP11_THREADS
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return std::this_thread::get_id();
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#elif USE_WIN_THREADS
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return GetCurrentThreadId();
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#elif USE_POSIX_THREADS
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return pthread_self();
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#endif
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}
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inline bool thr_compare_thread_id(threadid_t thr1, threadid_t thr2)
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{
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#if USE_POSIX_THREADS
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return pthread_equal(thr1, thr2);
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#else
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return thr1 == thr2;
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#endif
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}
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inline bool thr_is_current_thread(threadid_t thr)
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{
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return thr_compare_thread_id(thr_get_current_thread_id(), thr);
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}
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#endif
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