private static bool HasPython(int processId) {
// calling CreateToolhelp32Snapshot directly is significantly (~5x) faster than accessing
// Process.Modules. This gets called during the Debug->attach to process API so that ends
// up being a difference of less than 1 sec vs. 5 seconds.
IntPtr h = NativeMethods.CreateToolhelp32Snapshot(SnapshotFlags.Module, (uint)processId);
if (h != NativeMethods.INVALID_HANDLE_VALUE) {
uint marshalSize = (uint)Marshal.SizeOf(typeof(MODULEENTRY32));
var me = new MODULEENTRY32();
me.dwSize = (uint)marshalSize;
if (NativeMethods.Module32First(h, ref me)) {
do {
if (IsPythonModule(me.szModule)) {
return true;
}
me.dwSize = marshalSize;
} while (NativeMethods.Module32Next(h, ref me));
}
NativeMethods.CloseHandle(h);
}
return false;
}
public static extern bool Module32Next(IntPtr hSnapshot, ref MODULEENTRY32 lpme);
public static extern bool Module32Next(IntPtr hSnapshot, ref MODULEENTRY32 lpme);