mirror of https://github.com/minetest/minetest.git
120 lines
3.1 KiB
C++
120 lines
3.1 KiB
C++
/*
|
|
This file is a part of the JThread package, which contains some object-
|
|
oriented thread wrappers for different thread implementations.
|
|
|
|
Copyright (c) 2000-2006 Jori Liesenborgs (jori.liesenborgs@gmail.com)
|
|
|
|
Permission is hereby granted, free of charge, to any person obtaining a
|
|
copy of this software and associated documentation files (the "Software"),
|
|
to deal in the Software without restriction, including without limitation
|
|
the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
and/or sell copies of the Software, and to permit persons to whom the
|
|
Software is furnished to do so, subject to the following conditions:
|
|
|
|
The above copyright notice and this permission notice shall be included in
|
|
all copies or substantial portions of the Software.
|
|
|
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
|
DEALINGS IN THE SOFTWARE.
|
|
*/
|
|
|
|
#ifndef THREADING_THREAD_H
|
|
#define THREADING_THREAD_H
|
|
|
|
#include "threading/atomic.h"
|
|
#include "threading/mutex.h"
|
|
|
|
#include <string>
|
|
#if __cplusplus >= 201103L
|
|
#include <thread>
|
|
#endif
|
|
|
|
#ifndef _WIN32
|
|
enum {
|
|
THREAD_PRIORITY_LOWEST,
|
|
THREAD_PRIORITY_BELOW_NORMAL,
|
|
THREAD_PRIORITY_NORMAL,
|
|
THREAD_PRIORITY_ABOVE_NORMAL,
|
|
THREAD_PRIORITY_HIGHEST,
|
|
};
|
|
#endif
|
|
|
|
|
|
class Thread
|
|
{
|
|
public:
|
|
Thread(const std::string &name="Unnamed");
|
|
virtual ~Thread() { kill(); }
|
|
|
|
bool start();
|
|
inline void stop() { request_stop = true; }
|
|
bool kill();
|
|
|
|
inline bool isRunning() { return running; }
|
|
inline bool stopRequested() { return request_stop; }
|
|
void *getReturnValue() { return running ? NULL : retval; }
|
|
bool isSameThread();
|
|
|
|
static unsigned int getNumberOfProcessors();
|
|
bool bindToProcessor(unsigned int);
|
|
bool setPriority(int);
|
|
|
|
/*
|
|
* Wait for thread to finish.
|
|
* Note: this does not stop a thread, you have to do this on your own.
|
|
* Returns immediately if the thread is not started.
|
|
*/
|
|
void wait();
|
|
|
|
static void setName(const std::string &name);
|
|
|
|
protected:
|
|
std::string name;
|
|
|
|
virtual void *run() = 0;
|
|
|
|
private:
|
|
void setName() { setName(name); }
|
|
|
|
void *retval;
|
|
Atomic<bool> request_stop;
|
|
Atomic<bool> running;
|
|
Mutex continue_mutex;
|
|
|
|
#if __cplusplus >= 201103L
|
|
static void theThread(Thread *th);
|
|
|
|
std::thread *thread;
|
|
std::thread::native_handle_type getThreadHandle() const
|
|
{ return thread->native_handle(); }
|
|
#else
|
|
# if defined(WIN32) || defined(_WIN32_WCE)
|
|
# ifdef _WIN32_WCE
|
|
DWORD thread_id;
|
|
static DWORD WINAPI theThread(void *param);
|
|
# else
|
|
UINT thread_id;
|
|
static UINT __stdcall theThread(void *param);
|
|
# endif
|
|
|
|
HANDLE thread;
|
|
HANDLE getThreadHandle() const { return thread; }
|
|
# else // pthread
|
|
static void *theThread(void *param);
|
|
|
|
pthread_t thread;
|
|
pthread_t getThreadHandle() const { return thread; }
|
|
|
|
Atomic<bool> started;
|
|
# endif
|
|
#endif
|
|
};
|
|
|
|
#endif
|
|
|