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INTEGRATION: CWS killablesoffice (1.23.68); FILE MERGED

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2006/02/21 18:07:18 hro 1.23.68.2: #i62313# Hint to corresponding source code, fix pot. atol exception
2006/02/20 17:06:25 hro 1.23.68.1: #i62312# Attach to parent process und synchronize process lives
This commit is contained in:
Kurt Zenker 2006-02-28 11:53:18 +00:00
parent aa288bc403
commit f05ab1a593
1 changed files with 79 additions and 2 deletions
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81
sal/osl/w32/dllentry.c
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@ -4,9 +4,9 @@
*
* $RCSfile: dllentry.c,v $
*
* $Revision: 1.23 $
* $Revision: 1.24 $
*
* last change: $Author: rt $ $Date: 2005-09-08 15:05:54 $
* last change: $Author: kz $ $Date: 2006-02-28 12:53:18 $
*
* The Contents of this file are made available subject to
* the terms of GNU Lesser General Public License Version 2.1.
@ -34,6 +34,8 @@
************************************************************************/
#include <windows.h>
#include <tlhelp32.h>
#include <systools/win32/uwinapi.h>
#include <winsock.h>
#include <osl/diagnose.h>
#include <sal/types.h>
@ -252,10 +254,85 @@ static BOOL WINAPI _RawDllMain( HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvR
return TRUE;
}
static DWORD GetParentProcessId()
{
DWORD dwParentProcessId = 0;
HANDLE hSnapshot = CreateToolhelp32Snapshot( TH32CS_SNAPPROCESS, 0 );
if ( IsValidHandle( hSnapshot ) )
{
PROCESSENTRY32 pe;
BOOL fSuccess;
ZeroMemory( &pe, sizeof(pe) );
pe.dwSize = sizeof(pe);
fSuccess = Process32First( hSnapshot, &pe );
while( fSuccess )
{
if ( GetCurrentProcessId() == pe.th32ProcessID )
{
dwParentProcessId = pe.th32ParentProcessID;
break;
}
fSuccess = Process32Next( hSnapshot, &pe );
}
CloseHandle( hSnapshot );
}
return dwParentProcessId;
}
static DWORD WINAPI ParentMonitorThreadProc( LPVOID lpParam )
{
DWORD dwParentProcessId = (DWORD)lpParam;
HANDLE hParentProcess = OpenProcess( SYNCHRONIZE, FALSE, dwParentProcessId );
if ( IsValidHandle( hParentProcess ) )
{
if ( WAIT_OBJECT_0 == WaitForSingleObject( hParentProcess, INFINITE ) )
{
TerminateProcess( GetCurrentProcess(), 0 );
}
CloseHandle( hParentProcess );
}
return 0;
}
BOOL WINAPI DllMain( HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved )
{
switch (fdwReason)
{
case DLL_PROCESS_ATTACH:
{
TCHAR szBuffer[64];
// This code will attach the process to it's parent process
// if the parent process had set the environment variable.
// The corresponding code (setting the environment variable)
// is is desktop/win32/source/officeloader.cxx
DWORD dwResult = GetEnvironmentVariable( "ATTACHED_PARENT_PROCESSID", szBuffer, sizeof(szBuffer) );
if ( dwResult && dwResult < sizeof(szBuffer) )
{
DWORD dwThreadId = 0;
DWORD dwParentProcessId = (DWORD)atol( szBuffer );
if ( dwParentProcessId && GetParentProcessId() == dwParentProcessId )
{
// No error check, it works or it does not
CreateThread( NULL, 0, ParentMonitorThreadProc, (LPVOID)dwParentProcessId, 0, &dwThreadId );
}
}
return TRUE;
}
case DLL_THREAD_ATTACH:
break;