2010-05-06 00:08:41 +00:00
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// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
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// Copyright (C) 2010 Winch Gate Property Limited
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//
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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 Affero General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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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 Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#include "stdmisc.h"
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#ifdef NL_OS_WINDOWS
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#include "nel/misc/win_thread.h"
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#include "nel/misc/path.h"
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#define NOMINMAX
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#include <windows.h>
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#include <typeinfo>
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namespace NLMISC {
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CWinThread MainThread ((void*)GetCurrentThread (), GetCurrentThreadId());
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DWORD TLSThreadPointer = 0xFFFFFFFF;
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// the IThread static creator
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IThread *IThread::create (IRunnable *runnable, uint32 stackSize)
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{
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return new CWinThread (runnable, stackSize);
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}
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IThread *IThread::getCurrentThread ()
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{
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// TLS alloc must have been done
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nlassert (TLSThreadPointer != 0xffffffff);
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// Get the thread pointer
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IThread *thread = (IThread*)TlsGetValue (TLSThreadPointer);
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// Return current thread
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return thread;
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}
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static unsigned long __stdcall ProxyFunc (void *arg)
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{
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CWinThread *parent = (CWinThread *) arg;
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// TLS alloc must have been done
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nlassert (TLSThreadPointer != 0xffffffff);
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// Set the thread pointer in TLS memory
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nlverify (TlsSetValue (TLSThreadPointer, (void*)parent) != 0);
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// Run the thread
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parent->Runnable->run();
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return 0;
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}
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CWinThread::CWinThread (IRunnable *runnable, uint32 stackSize)
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{
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_StackSize = stackSize;
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this->Runnable = runnable;
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ThreadHandle = NULL;
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_SuspendCount = -1;
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_MainThread = false;
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}
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2012-04-11 11:24:03 +00:00
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namespace {
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class CWinCriticalSection
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{
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private:
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CRITICAL_SECTION cs;
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public:
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CWinCriticalSection() { InitializeCriticalSection(&cs); }
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~CWinCriticalSection() { DeleteCriticalSection(&cs); }
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inline void enter() { EnterCriticalSection(&cs); }
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inline void leave() { LeaveCriticalSection(&cs); }
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};
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2012-04-11 13:38:49 +00:00
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CWinCriticalSection s_CS;
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2012-04-11 11:24:03 +00:00
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}/* anonymous namespace */
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2010-05-06 00:08:41 +00:00
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CWinThread::CWinThread (void* threadHandle, uint32 threadId)
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{
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// Main thread
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_MainThread = true;
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this->Runnable = NULL;
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ThreadHandle = threadHandle;
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ThreadId = threadId;
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// TLS alloc must have been done
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TLSThreadPointer = TlsAlloc ();
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nlassert (TLSThreadPointer!=0xffffffff);
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// Set the thread pointer in TLS memory
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nlverify (TlsSetValue (TLSThreadPointer, (void*)this) != 0);
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if (GetCurrentThreadId() == threadId)
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{
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_SuspendCount = 0; // is calling thread call this itself, well, if we reach this place
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// there are chances that it is not suspended ...
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}
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else
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{
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// initialized from another thread (very unlikely ...)
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nlassert(0); // WARNING: following code has not tested! don't know if it work fo real ...
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// This is just a suggestion of a possible solution, should this situation one day occur ...
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// Ensure that this thread don't get deleted, or we could suspend the main thread
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2012-04-11 13:38:49 +00:00
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s_CS.enter();
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2010-05-06 00:08:41 +00:00
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// the 2 following statement must be executed atomicaly among the threads of the current process !
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SuspendThread(threadHandle);
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_SuspendCount = ResumeThread(threadHandle);
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2012-04-11 13:38:49 +00:00
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s_CS.leave();
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2010-05-06 00:08:41 +00:00
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}
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}
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void CWinThread::incSuspendCount()
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{
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nlassert(ThreadHandle); // start was not called !!
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int newSuspendCount = ::SuspendThread(ThreadHandle) + 1;
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nlassert(newSuspendCount != 0xffffffff); // more infos with 'GetLastError'
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nlassert(newSuspendCount == _SuspendCount + 1); // is this assert fire , then 'SuspendThread' or 'ResumeThread'
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// have been called outside of this object interface! (on this thread handle ...)
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_SuspendCount = newSuspendCount;
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}
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void CWinThread::decSuspendCount()
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{
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nlassert(ThreadHandle); // 'start' was not called !!
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nlassert(_SuspendCount > 0);
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int newSuspendCount = ::ResumeThread(ThreadHandle) - 1;
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nlassert(newSuspendCount != 0xffffffff); // more infos with 'GetLastError'
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nlassert(newSuspendCount == _SuspendCount - 1); // is this assert fire , then 'SuspendThread' or 'ResumeThread'
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// have been called outside of this object interface! (on this thread handle ...)
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_SuspendCount = newSuspendCount;
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}
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void CWinThread::suspend()
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{
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if (getSuspendCount() == 0)
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{
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incSuspendCount();
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}
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}
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void CWinThread::resume()
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{
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while (getSuspendCount() != 0)
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{
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decSuspendCount();
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}
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}
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2012-04-11 13:38:49 +00:00
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void CWinThread::setPriority(TThreadPriority priority)
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2010-05-06 00:08:41 +00:00
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{
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nlassert(ThreadHandle); // 'start' was not called !!
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2012-04-11 13:38:49 +00:00
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BOOL result = SetThreadPriority(ThreadHandle, (int)priority);
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2010-05-06 00:08:41 +00:00
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nlassert(result);
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}
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void CWinThread::enablePriorityBoost(bool enabled)
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{
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nlassert(ThreadHandle); // 'start' was not called !!
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SetThreadPriorityBoost(ThreadHandle, enabled ? TRUE : FALSE);
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}
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CWinThread::~CWinThread ()
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{
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// If not the main thread
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if (_MainThread)
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{
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// Free TLS memory
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nlassert (TLSThreadPointer!=0xffffffff);
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TlsFree (TLSThreadPointer);
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}
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else
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{
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if (ThreadHandle != NULL) terminate();
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}
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}
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void CWinThread::start ()
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{
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// ThreadHandle = (void *) ::CreateThread (NULL, _StackSize, ProxyFunc, this, 0, (DWORD *)&ThreadId);
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ThreadHandle = (void *) ::CreateThread (NULL, 0, ProxyFunc, this, 0, (DWORD *)&ThreadId);
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// nldebug("NLMISC: thread %x started for runnable '%x'", typeid( Runnable ).name());
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// OutputDebugString(toString(NL_LOC_MSG " NLMISC: thread %x started for runnable '%s'\n", ThreadId, typeid( *Runnable ).name()).c_str());
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SetThreadPriorityBoost (ThreadHandle, TRUE); // FALSE == Enable Priority Boost
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if (ThreadHandle == NULL)
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{
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throw EThread ( "Cannot create new thread" );
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}
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_SuspendCount = 0;
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}
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bool CWinThread::isRunning()
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{
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if (ThreadHandle == NULL)
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return false;
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DWORD exitCode;
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if (!GetExitCodeThread(ThreadHandle, &exitCode))
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return false;
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return exitCode == STILL_ACTIVE;
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}
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void CWinThread::terminate ()
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{
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TerminateThread((HANDLE)ThreadHandle, 0);
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CloseHandle((HANDLE)ThreadHandle);
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ThreadHandle = NULL;
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_SuspendCount = -1;
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}
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void CWinThread::wait ()
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{
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if (ThreadHandle == NULL) return;
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WaitForSingleObject(ThreadHandle, INFINITE);
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CloseHandle(ThreadHandle);
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ThreadHandle = NULL;
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_SuspendCount = -1;
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}
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bool CWinThread::setCPUMask(uint64 cpuMask)
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{
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// Thread must exist
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if (ThreadHandle == NULL)
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return false;
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// Ask the system for number of processor available for this process
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return SetThreadAffinityMask ((HANDLE)ThreadHandle, (DWORD_PTR)cpuMask) != 0;
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}
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uint64 CWinThread::getCPUMask()
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{
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// Thread must exist
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if (ThreadHandle == NULL)
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return 1;
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// Get the current process mask
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uint64 mask=IProcess::getCurrentProcess ()->getCPUMask ();
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// Get thread affinity mask
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DWORD_PTR old = SetThreadAffinityMask ((HANDLE)ThreadHandle, (DWORD_PTR)mask);
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nlassert (old != 0);
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if (old == 0)
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return 1;
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// Reset it
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SetThreadAffinityMask ((HANDLE)ThreadHandle, old);
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// Return the mask
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return (uint64)old;
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}
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std::string CWinThread::getUserName()
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{
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char userName[512];
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DWORD size = 512;
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GetUserName (userName, &size);
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return (const char*)userName;
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}
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// **** Process
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// The current process
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CWinProcess CurrentProcess ((void*)GetCurrentProcess());
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// Get the current process
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IProcess *IProcess::getCurrentProcess ()
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{
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return &CurrentProcess;
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}
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CWinProcess::CWinProcess (void *handle)
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{
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// Get the current process handle
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_ProcessHandle = handle;
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}
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uint64 CWinProcess::getCPUMask()
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{
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// Ask the system for number of processor available for this process
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DWORD_PTR processAffinityMask;
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DWORD_PTR systemAffinityMask;
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if (GetProcessAffinityMask((HANDLE)_ProcessHandle, &processAffinityMask, &systemAffinityMask))
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{
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// Return the CPU mask
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return (uint64)processAffinityMask;
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}
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else
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return 1;
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}
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bool CWinProcess::setCPUMask(uint64 mask)
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{
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// Ask the system for number of processor available for this process
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DWORD_PTR processAffinityMask= (DWORD_PTR)mask;
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return SetProcessAffinityMask((HANDLE)_ProcessHandle, processAffinityMask)!=0;
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}
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2010-06-10 09:50:19 +00:00
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// ****************************************************************************************************************
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2010-05-06 00:08:41 +00:00
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/**
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* Simple wrapper around the PSAPI library
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* \author Nicolas Vizerie
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* \author GameForge
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* \date 2007
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*/
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class CPSAPILib
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{
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public:
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typedef BOOL (WINAPI *EnumProcessesFunPtr)(DWORD *lpidProcess, DWORD cb, DWORD *cbNeeded);
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typedef DWORD (WINAPI *GetModuleFileNameExAFunPtr)(HANDLE hProcess, HMODULE hModule, LPTSTR lpFilename, DWORD nSize);
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typedef BOOL (WINAPI *EnumProcessModulesFunPtr)(HANDLE hProcess, HMODULE *lphModule, DWORD cb, LPDWORD lpcbNeeded);
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EnumProcessesFunPtr EnumProcesses;
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GetModuleFileNameExAFunPtr GetModuleFileNameExA;
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EnumProcessModulesFunPtr EnumProcessModules;
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public:
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CPSAPILib();
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~CPSAPILib();
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bool init();
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private:
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HINSTANCE _PSAPILibHandle;
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bool _LoadFailed;
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};
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2010-06-10 09:50:19 +00:00
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// ****************************************************************************************************************
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2010-05-06 00:08:41 +00:00
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CPSAPILib::CPSAPILib()
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{
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_LoadFailed = false;
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_PSAPILibHandle = NULL;
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EnumProcesses = NULL;
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GetModuleFileNameExA = NULL;
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EnumProcessModules = NULL;
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}
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2010-06-10 09:50:19 +00:00
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// ****************************************************************************************************************
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2010-05-06 00:08:41 +00:00
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CPSAPILib::~CPSAPILib()
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{
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if (_PSAPILibHandle)
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{
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FreeLibrary(_PSAPILibHandle);
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}
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}
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2010-06-10 09:50:19 +00:00
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// ****************************************************************************************************************
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2010-05-06 00:08:41 +00:00
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bool CPSAPILib::init()
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{
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//
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if (_LoadFailed) return false;
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if (!_PSAPILibHandle)
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{
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_PSAPILibHandle = LoadLibrary("psapi.dll");
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if (!_PSAPILibHandle)
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{
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nlwarning("couldn't load psapi.dll, possibly not supported by os");
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_LoadFailed = true;
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return false;
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}
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EnumProcesses = (EnumProcessesFunPtr) GetProcAddress(_PSAPILibHandle, "EnumProcesses");
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GetModuleFileNameExA = (GetModuleFileNameExAFunPtr) GetProcAddress(_PSAPILibHandle, "GetModuleFileNameExA");
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EnumProcessModules = (EnumProcessModulesFunPtr) GetProcAddress(_PSAPILibHandle, "EnumProcessModules");
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if (!EnumProcesses ||
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!GetModuleFileNameExA ||
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!EnumProcessModules
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)
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{
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|
|
nlwarning("Failed to import functions from psapi.dll!");
|
|
|
|
_LoadFailed = true;
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static CPSAPILib PSAPILib;
|
|
|
|
|
|
|
|
|
|
|
|
|
2010-06-10 09:50:19 +00:00
|
|
|
// ****************************************************************************************************************
|
2010-05-06 00:08:41 +00:00
|
|
|
bool CWinProcess::enumProcessesId(std::vector<uint32> &processesId)
|
|
|
|
{
|
|
|
|
if (!PSAPILib.init()) return false;
|
|
|
|
// list of processes
|
|
|
|
std::vector<uint32> prcIds(16);
|
|
|
|
for (;;)
|
|
|
|
{
|
|
|
|
DWORD cbNeeded;
|
|
|
|
if (!PSAPILib.EnumProcesses((DWORD *) &prcIds[0], (DWORD)(prcIds.size() * sizeof(DWORD)), &cbNeeded))
|
|
|
|
{
|
|
|
|
nlwarning("Processes enumeration failed!");
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
if (cbNeeded < prcIds.size() * sizeof(DWORD))
|
|
|
|
{
|
|
|
|
prcIds.resize(cbNeeded / sizeof(DWORD));
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
// make some more room
|
|
|
|
prcIds.resize(prcIds.size() * 2);
|
|
|
|
}
|
|
|
|
processesId.swap(prcIds);
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
2010-06-10 09:50:19 +00:00
|
|
|
// ****************************************************************************************************************
|
2010-05-06 00:08:41 +00:00
|
|
|
bool CWinProcess::enumProcessModules(uint32 processId, std::vector<std::string> &moduleNames)
|
|
|
|
{
|
|
|
|
if (!PSAPILib.init()) return false;
|
|
|
|
HANDLE hProcess = OpenProcess(PROCESS_QUERY_INFORMATION|PROCESS_VM_READ, FALSE, (DWORD) processId);
|
|
|
|
if (!hProcess) return false;
|
|
|
|
// list of modules
|
|
|
|
std::vector<HMODULE> prcModules(2);
|
|
|
|
for (;;)
|
|
|
|
{
|
|
|
|
DWORD cbNeeded;
|
|
|
|
if (!PSAPILib.EnumProcessModules(hProcess, (HMODULE *) &prcModules[0], (DWORD)(prcModules.size() * sizeof(HMODULE)), &cbNeeded))
|
|
|
|
{
|
|
|
|
//nlwarning("Processe modules enumeration failed!");
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
if (cbNeeded < prcModules.size() * sizeof(HMODULE))
|
|
|
|
{
|
|
|
|
prcModules.resize(cbNeeded / sizeof(HMODULE));
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
// make some more room
|
|
|
|
prcModules.resize(prcModules.size() * 2);
|
|
|
|
}
|
|
|
|
moduleNames.clear();
|
|
|
|
std::vector<std::string> resultModuleNames;
|
|
|
|
char moduleName[MAX_PATH + 1];
|
|
|
|
for (uint m = 0; m < prcModules.size(); ++m)
|
|
|
|
{
|
|
|
|
if (PSAPILib.GetModuleFileNameExA(hProcess, prcModules[m], moduleName, MAX_PATH))
|
|
|
|
{
|
|
|
|
moduleNames.push_back(moduleName);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
CloseHandle(hProcess);
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
2010-06-10 09:50:19 +00:00
|
|
|
// ****************************************************************************************************************
|
2010-05-06 00:08:41 +00:00
|
|
|
uint32 CWinProcess::getProcessIdFromModuleFilename(const std::string &moduleFileName)
|
|
|
|
{
|
|
|
|
std::vector<uint32> processesId;
|
|
|
|
if (!enumProcessesId(processesId)) return false;
|
|
|
|
std::vector<std::string> moduleNames;
|
|
|
|
for (uint prc = 0; prc < processesId.size(); ++prc)
|
|
|
|
{
|
|
|
|
if (enumProcessModules(processesId[prc], moduleNames))
|
|
|
|
{
|
|
|
|
for (uint m = 0; m < moduleNames.size(); ++m)
|
|
|
|
{
|
|
|
|
if (nlstricmp(CFile::getFilename(moduleNames[m]), moduleFileName) == 0)
|
|
|
|
{
|
|
|
|
return processesId[prc];
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2010-06-10 09:50:19 +00:00
|
|
|
// ****************************************************************************************************************
|
2010-05-06 00:08:41 +00:00
|
|
|
bool CWinProcess::terminateProcess(uint32 processId, uint exitCode)
|
|
|
|
{
|
|
|
|
if (!processId) return false;
|
|
|
|
HANDLE hProcess = OpenProcess(PROCESS_TERMINATE, FALSE, (DWORD) processId);
|
|
|
|
if (!hProcess) return false;
|
|
|
|
BOOL ok = TerminateProcess(hProcess, (UINT) exitCode);
|
|
|
|
CloseHandle(hProcess);
|
|
|
|
return ok != FALSE;
|
|
|
|
}
|
|
|
|
|
2010-06-10 09:50:19 +00:00
|
|
|
// ****************************************************************************************************************
|
2010-05-06 00:08:41 +00:00
|
|
|
bool CWinProcess::terminateProcessFromModuleName(const std::string &moduleName, uint exitCode)
|
|
|
|
{
|
|
|
|
return terminateProcess(getProcessIdFromModuleFilename(moduleName), exitCode);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
///////////////////
|
|
|
|
// CProcessWatch //
|
|
|
|
///////////////////
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
|
|
|
// I didn't use and test that code, eventually, but maybe useful in the future
|
|
|
|
|
|
|
|
class CProcessWatchTask : public IRunnable
|
|
|
|
{
|
|
|
|
public:
|
|
|
|
HANDLE HProcess;
|
|
|
|
public:
|
|
|
|
CProcessWatchTask(HANDLE hProcess) : HProcess(hProcess)
|
|
|
|
{
|
|
|
|
}
|
|
|
|
virtual void run()
|
|
|
|
{
|
|
|
|
WaitForSingleObject(HProcess, INFINITE);
|
|
|
|
}
|
|
|
|
};
|
|
|
|
|
|
|
|
class CProcessWatchImpl
|
|
|
|
{
|
|
|
|
public:
|
|
|
|
bool Launched;
|
|
|
|
IThread *WatchThread;
|
|
|
|
CProcessWatchTask *WatchTask;
|
|
|
|
public:
|
|
|
|
CProcessWatchImpl() : Launched(false), WatchThread(NULL), WatchTask(NULL)
|
|
|
|
{
|
|
|
|
}
|
|
|
|
~CProcessWatchImpl()
|
|
|
|
{
|
|
|
|
reset();
|
|
|
|
}
|
|
|
|
void reset()
|
|
|
|
{
|
|
|
|
if (WatchThread)
|
|
|
|
{
|
|
|
|
if (WatchThread->isRunning())
|
|
|
|
{
|
|
|
|
WatchThread->terminate();
|
|
|
|
}
|
|
|
|
delete WatchTask;
|
|
|
|
delete WatchThread;
|
|
|
|
WatchTask = NULL;
|
|
|
|
WatchThread = NULL;
|
|
|
|
Launched = false;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
bool launch(const std::string &programName, const std::string &arguments)
|
|
|
|
{
|
|
|
|
if (isRunning()) return false;
|
|
|
|
PROCESS_INFORMATION processInfo;
|
|
|
|
STARTUPINFO startupInfo = {0};
|
|
|
|
startupInfo.cb = sizeof(STARTUPINFO);
|
|
|
|
if (CreateProcess(programName.c_str(), const_cast<LPTSTR>(arguments.c_str()), NULL, NULL, FALSE, 0, NULL, NULL, &startupInfo, &processInfo))
|
|
|
|
{
|
|
|
|
WatchTask = new CProcessWatchTask(processInfo.hProcess);
|
|
|
|
WatchThread = IThread::create(WatchTask);
|
|
|
|
WatchThread->start();
|
|
|
|
Launched = true;
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
bool isRunning()
|
|
|
|
{
|
|
|
|
if (!Launched) return false;
|
|
|
|
nlassert(WatchThread);
|
|
|
|
nlassert(WatchTask);
|
|
|
|
if (WatchThread->isRunning()) return true;
|
|
|
|
reset();
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
CProcessWatch::CProcessWatch()
|
|
|
|
{
|
|
|
|
_PImpl = new CProcessWatchImpl;
|
|
|
|
}
|
|
|
|
|
|
|
|
CProcessWatch::~CProcessWatch()
|
|
|
|
{
|
|
|
|
delete _PImpl;
|
|
|
|
}
|
|
|
|
|
|
|
|
bool CProcessWatch::launch(const std::string &programName, const std::string &arguments)
|
|
|
|
{
|
|
|
|
return _PImpl->launch(programName, arguments);
|
|
|
|
}
|
|
|
|
|
|
|
|
bool CProcessWatch::isRunning() const
|
|
|
|
{
|
|
|
|
return _PImpl->isRunning();
|
|
|
|
}
|
|
|
|
|
|
|
|
*/
|
|
|
|
} // NLMISC
|
|
|
|
|
|
|
|
#endif // NL_OS_WINDOWS
|