Move more stuff into osdep/ -- node/ will not use threads directly.
This commit is contained in:
parent
e61a40a956
commit
647ce82b86
11 changed files with 8 additions and 17 deletions
203
osdep/Thread.hpp
Normal file
203
osdep/Thread.hpp
Normal file
|
@ -0,0 +1,203 @@
|
|||
/*
|
||||
* ZeroTier One - Network Virtualization Everywhere
|
||||
* Copyright (C) 2011-2015 ZeroTier, Inc.
|
||||
*
|
||||
* This program is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation, either version 3 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
*
|
||||
* --
|
||||
*
|
||||
* ZeroTier may be used and distributed under the terms of the GPLv3, which
|
||||
* are available at: http://www.gnu.org/licenses/gpl-3.0.html
|
||||
*
|
||||
* If you would like to embed ZeroTier into a commercial application or
|
||||
* redistribute it in a modified binary form, please contact ZeroTier Networks
|
||||
* LLC. Start here: http://www.zerotier.com/
|
||||
*/
|
||||
|
||||
#ifndef ZT_THREAD_HPP
|
||||
#define ZT_THREAD_HPP
|
||||
|
||||
#include <stdexcept>
|
||||
|
||||
#include "Constants.hpp"
|
||||
|
||||
#ifdef __WINDOWS__
|
||||
|
||||
#include <WinSock2.h>
|
||||
#include <Windows.h>
|
||||
#include <string.h>
|
||||
#include "Mutex.hpp"
|
||||
|
||||
namespace ZeroTier {
|
||||
|
||||
template<typename C>
|
||||
static DWORD WINAPI ___zt_threadMain(LPVOID lpParam)
|
||||
{
|
||||
try {
|
||||
((C *)lpParam)->threadMain();
|
||||
} catch ( ... ) {}
|
||||
return 0;
|
||||
}
|
||||
|
||||
class Thread
|
||||
{
|
||||
public:
|
||||
Thread()
|
||||
throw()
|
||||
{
|
||||
_th = NULL;
|
||||
_tid = 0;
|
||||
}
|
||||
|
||||
template<typename C>
|
||||
static inline Thread start(C *instance)
|
||||
throw(std::runtime_error)
|
||||
{
|
||||
Thread t;
|
||||
t._th = CreateThread(NULL,0,&___zt_threadMain<C>,(LPVOID)instance,0,&t._tid);
|
||||
if (t._th == NULL)
|
||||
throw std::runtime_error("CreateThread() failed");
|
||||
return t;
|
||||
}
|
||||
|
||||
static inline void join(const Thread &t)
|
||||
{
|
||||
if (t._th != NULL) {
|
||||
for(;;) {
|
||||
DWORD ec = STILL_ACTIVE;
|
||||
GetExitCodeThread(t._th,&ec);
|
||||
if (ec == STILL_ACTIVE)
|
||||
WaitForSingleObject(t._th,1000);
|
||||
else break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
static inline void sleep(unsigned long ms)
|
||||
{
|
||||
Sleep((DWORD)ms);
|
||||
}
|
||||
|
||||
// Not available on *nix platforms
|
||||
static inline void cancelIO(const Thread &t)
|
||||
{
|
||||
if (t._th != NULL)
|
||||
CancelSynchronousIo(t._th);
|
||||
}
|
||||
|
||||
inline operator bool() const throw() { return (_th != NULL); }
|
||||
|
||||
private:
|
||||
HANDLE _th;
|
||||
DWORD _tid;
|
||||
};
|
||||
|
||||
} // namespace ZeroTier
|
||||
|
||||
#else
|
||||
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <pthread.h>
|
||||
#include <unistd.h>
|
||||
|
||||
namespace ZeroTier {
|
||||
|
||||
template<typename C>
|
||||
static void *___zt_threadMain(void *instance)
|
||||
{
|
||||
try {
|
||||
((C *)instance)->threadMain();
|
||||
} catch ( ... ) {}
|
||||
return (void *)0;
|
||||
}
|
||||
|
||||
/**
|
||||
* A thread identifier, and static methods to start and join threads
|
||||
*/
|
||||
class Thread
|
||||
{
|
||||
public:
|
||||
Thread()
|
||||
throw()
|
||||
{
|
||||
memset(&_tid,0,sizeof(_tid));
|
||||
_started = false;
|
||||
}
|
||||
|
||||
Thread(const Thread &t)
|
||||
throw()
|
||||
{
|
||||
memcpy(&_tid,&(t._tid),sizeof(_tid));
|
||||
_started = t._started;
|
||||
}
|
||||
|
||||
inline Thread &operator=(const Thread &t)
|
||||
throw()
|
||||
{
|
||||
memcpy(&_tid,&(t._tid),sizeof(_tid));
|
||||
_started = t._started;
|
||||
return *this;
|
||||
}
|
||||
|
||||
/**
|
||||
* Start a new thread
|
||||
*
|
||||
* @param instance Instance whose threadMain() method gets called by new thread
|
||||
* @return Thread identifier
|
||||
* @throws std::runtime_error Unable to create thread
|
||||
* @tparam C Class containing threadMain()
|
||||
*/
|
||||
template<typename C>
|
||||
static inline Thread start(C *instance)
|
||||
throw(std::runtime_error)
|
||||
{
|
||||
Thread t;
|
||||
t._started = true;
|
||||
if (pthread_create(&t._tid,(const pthread_attr_t *)0,&___zt_threadMain<C>,instance))
|
||||
throw std::runtime_error("pthread_create() failed, unable to create thread");
|
||||
return t;
|
||||
}
|
||||
|
||||
/**
|
||||
* Join to a thread, waiting for it to terminate (does nothing on null Thread values)
|
||||
*
|
||||
* @param t Thread to join
|
||||
*/
|
||||
static inline void join(const Thread &t)
|
||||
{
|
||||
if (t._started)
|
||||
pthread_join(t._tid,(void **)0);
|
||||
}
|
||||
|
||||
/**
|
||||
* Sleep the current thread
|
||||
*
|
||||
* @param ms Number of milliseconds to sleep
|
||||
*/
|
||||
static inline void sleep(unsigned long ms) { usleep(ms * 1000); }
|
||||
|
||||
inline operator bool() const throw() { return (_started); }
|
||||
|
||||
private:
|
||||
pthread_t _tid;
|
||||
volatile bool _started;
|
||||
};
|
||||
|
||||
} // namespace ZeroTier
|
||||
|
||||
#endif // __WINDOWS__ / !__WINDOWS__
|
||||
|
||||
#endif
|
Loading…
Add table
Add a link
Reference in a new issue