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cuberite-2a/source/cThread.cpp

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#ifndef _WIN32
#include <cstring>
#include <semaphore.h>
#include <errno.h>
#include <pthread.h>
#else
#define WIN32_LEAN_AND_MEAN
#include <Windows.h>
#endif
#include "cThread.h"
#include "cEvent.h"
#include "cMCLogger.h"
#ifdef _WIN32
//
// Usage: SetThreadName (-1, "MainThread");
//
typedef struct tagTHREADNAME_INFO
{
DWORD dwType; // must be 0x1000
LPCSTR szName; // pointer to name (in user addr space)
DWORD dwThreadID; // thread ID (-1=caller thread)
DWORD dwFlags; // reserved for future use, must be zero
} THREADNAME_INFO;
void SetThreadName( DWORD dwThreadID, LPCSTR szThreadName)
{
THREADNAME_INFO info;
info.dwType = 0x1000;
info.szName = szThreadName;
info.dwThreadID = dwThreadID;
info.dwFlags = 0;
__try
{
RaiseException( 0x406D1388, 0, sizeof(info)/sizeof(DWORD), (DWORD*)&info );
}
__except(EXCEPTION_CONTINUE_EXECUTION)
{
}
}
#endif
cThread::cThread( ThreadFunc a_ThreadFunction, void* a_Param, const char* a_ThreadName /* = 0 */ )
: m_ThreadFunction( a_ThreadFunction )
, m_Param( a_Param )
, m_Event( new cEvent() )
, m_StopEvent( 0 )
, m_ThreadName( 0 )
{
if( a_ThreadName )
{
m_ThreadName = new char[ strlen(a_ThreadName)+1 ];
strcpy(m_ThreadName, a_ThreadName);
}
}
cThread::~cThread()
{
delete m_Event;
if( m_StopEvent )
{
m_StopEvent->Wait();
delete m_StopEvent;
}
delete [] m_ThreadName;
}
void cThread::Start( bool a_bWaitOnDelete /* = true */ )
{
if( a_bWaitOnDelete )
m_StopEvent = new cEvent();
#ifndef _WIN32
pthread_t SndThread;
if( pthread_create( &SndThread, NULL, MyThread, this) )
LOGERROR("ERROR: Could not create thread!");
#else
DWORD ThreadID = 0;
HANDLE hThread = CreateThread( 0 // security
,0 // stack size
, (LPTHREAD_START_ROUTINE) MyThread // function name
,this // parameters
,0 // flags
,&ThreadID ); // thread id
CloseHandle( hThread );
if( m_ThreadName )
{
SetThreadName(ThreadID, m_ThreadName );
}
#endif
// Wait until thread has actually been created
m_Event->Wait();
}
#ifdef _WIN32
unsigned long cThread::MyThread(void* a_Param )
#else
void *cThread::MyThread( void *a_Param )
#endif
{
cThread* self = (cThread*)a_Param;
cEvent* StopEvent = self->m_StopEvent;
ThreadFunc* ThreadFunction = self->m_ThreadFunction;
void* ThreadParam = self->m_Param;
// Set event to let other thread know this thread has been created and it's safe to delete the cThread object
self->m_Event->Set();
ThreadFunction( ThreadParam );
if( StopEvent ) StopEvent->Set();
return 0;
}