1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81
|
#include <windows.h>
#include <tlhelp32.h>
#include <stdio.h>
// Forward declarations:
BOOL ListProcessThreads( DWORD dwOwnerPID );
void printError( TCHAR* msg );
void main( )
{
ListProcessThreads(GetCurrentProcessId() );
}
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 ) );
// Don't forget to clean up the snapshot object.
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 );
} |
Partager