- #include <windows.h>
- #include <tlhelp32.h>
- #include <stdio.h>
- // Forward declarations:
- BOOL GetProcessList( );
- BOOL ListProcessModules( DWORD dwPID );
- BOOL ListProcessThreads( DWORD dwOwnerPID );
- void printError( TCHAR* msg );
- void main( )
- {
- GetProcessList( );
- }
- BOOL GetProcessList( )
- {
- HANDLE hProcessSnap;
- HANDLE hProcess;
- PROCESSENTRY32 pe32;
- DWORD dwPriorityClass;
- // Take a snapshot of all processes in the system.
- hProcessSnap = CreateToolhelp32Snapshot( TH32CS_SNAPPROCESS, 0 );
- if( hProcessSnap == INVALID_HANDLE_VALUE )
- {
- printError( "CreateToolhelp32Snapshot (of processes)" );
- return( FALSE );
- }
- // Set the size of the structure before using it.
- pe32.dwSize = sizeof( PROCESSENTRY32 );
- // Retrieve information about the first process,
- // and exit if unsuccessful
- if( !Process32First( hProcessSnap, &pe32 ) )
- {
- printError( "Process32First" ); // Show cause of failure
- CloseHandle( hProcessSnap ); // Must clean up the
- // snapshot object!
- return( FALSE );
- }
- // Now walk the snapshot of processes, and
- // display information about each process in turn
- do
- {
- printf( "\n\n"
- "=====================================================" );
- printf( "\nPROCESS NAME: %s", pe32.szExeFile );
- printf( "\n"
- "-----------------------------------------------------" );
- // Retrieve the priority class.
- dwPriorityClass = 0;
- hProcess = OpenProcess(
- PROCESS_ALL_ACCESS, FALSE, pe32.th32ProcessID );
- if( hProcess == NULL )
- printError( "OpenProcess" );
- else
- {
- dwPriorityClass = GetPriorityClass( hProcess );
- if( !dwPriorityClass )
- printError( "GetPriorityClass" );
- CloseHandle( hProcess );
- }
- printf( "\n process ID = 0x%08X", pe32.th32ProcessID );
- printf( "\n thread count = %d", pe32.cntThreads );
- printf( "\n parent process ID = 0x%08X",
- pe32.th32ParentProcessID );
- printf( "\n Priority Base = %d", pe32.pcPriClassBase );
- if( dwPriorityClass )
- printf( "\n Priority Class = %d", dwPriorityClass );
- // List the modules and threads associated with this process
- ListProcessModules( pe32.th32ProcessID );
- ListProcessThreads( pe32.th32ProcessID );
- } while( Process32Next( hProcessSnap, &pe32 ) );
- CloseHandle( hProcessSnap );
- return( TRUE );
- }
- BOOL ListProcessModules( DWORD dwPID )
- {
- HANDLE hModuleSnap = INVALID_HANDLE_VALUE;
- MODULEENTRY32 me32;
- // Take a snapshot of all modules in the specified process.
- hModuleSnap = CreateToolhelp32Snapshot( TH32CS_SNAPMODULE, dwPID );
- if( hModuleSnap == INVALID_HANDLE_VALUE )
- {
- printError( "CreateToolhelp32Snapshot (of modules)" );
- return( FALSE );
- }
- // Set the size of the structure before using it.
- me32.dwSize = sizeof( MODULEENTRY32 );
- // Retrieve information about the first module,
- // and exit if unsuccessful
- if( !Module32First( hModuleSnap, &me32 ) )
- {
- printError( "Module32First" ); // Show cause of failure
- CloseHandle( hModuleSnap ); // Must clean up the
- // snapshot object!
- return( FALSE );
- }
- // Now walk the module list of the process,
- // and display information about each module
- do
- {
- printf( "\n\n MODULE NAME: %s",
- me32.szModule );
- printf( "\n executable = %s",
- me32.szExePath );
- printf( "\n process ID = 0x%08X",
- me32.th32ProcessID );
- printf( "\n ref count (g) = 0x%04X",
- me32.GlblcntUsage );
- printf( "\n ref count (p) = 0x%04X",
- me32.ProccntUsage );
- printf( "\n base address = 0x%08X",
- (DWORD) me32.modBaseAddr );
- printf( "\n base size = %d",
- me32.modBaseSize );
- } while( Module32Next( hModuleSnap, &me32 ) );
- CloseHandle( hModuleSnap );
- return( TRUE );
- }
- BOOL ListProcessThreads( DWORD dwOwnerPID )
- {
- HANDLE hThreadSnap = INVALID_HANDLE_VALUE;
- THREADENTRY32 te32;
- // Take a snapshot of all running threads
- hThreadSnap = CreateToolhelp32Snapshot( TH32CS_SNAPTHREAD, 0 );
- if( hThreadSnap == INVALID_HANDLE_VALUE )
- return( FALSE );
- // Fill in the size of the structure before using it.
- te32.dwSize = sizeof(THREADENTRY32 );
- // Retrieve information about the first thread,
- // and exit if unsuccessful
- if( !Thread32First( hThreadSnap, &te32 ) )
- {
- printError( "Thread32First" ); // Show cause of failure
- CloseHandle( hThreadSnap ); // Must clean up the
- // snapshot object!
- return( FALSE );
- }
- // Now walk the thread list of the system,
- // and display information about each thread
- // associated with the specified process
- do
- {
- if( te32.th32OwnerProcessID == dwOwnerPID )
- {
- printf( "\n\n THREAD ID = 0x%08X",
- te32.th32ThreadID );
- printf( "\n base priority = %d", te32.tpBasePri );
- printf( "\n delta priority = %d", te32.tpDeltaPri );
- }
- } while( Thread32Next(hThreadSnap, &te32 ) );
- CloseHandle( hThreadSnap );
- return( TRUE );
- }
- void printError( TCHAR* msg )
- {
- DWORD eNum;
- TCHAR sysMsg[256];
- TCHAR* p;
- eNum = GetLastError( );
- FormatMessage(
- FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
- NULL, eNum,
- MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default lang.
- sysMsg, 256, NULL );
- // Trim the end of the line and terminate it with a null
- p = sysMsg;
- while( ( *p > 31 ) || ( *p == 9 ) )
- ++p;
- do { *p-- = 0; } while( ( p >= sysMsg ) &&
- ( ( *p == '.' ) || ( *p < 33 ) ) );
- // Display the message
- printf( "\n WARNING: %s failed with error %d (%s)",
- msg, eNum, sysMsg );
- }
本文转自 hakuyo 51CTO博客,原文链接:http://blog.51cto.com/hakuyo/1134981,如需转载请自行联系原作者