nssm/console.cpp

#include "nssm.h"

/* See if we were launched from a console window. */
bool check_console() {
  /* If we're running in a service context there will be no console window. */
  HWND console = GetConsoleWindow();
  if (! console) return false;

  unsigned long pid;
  if (! GetWindowThreadProcessId(console, &pid)) return false;

  /*
    If the process associated with the console window handle is the same as
    this process, we were not launched from an existing console.  The user
    probably double-clicked our executable.
  */
  if (GetCurrentProcessId() != pid) return true;

  /* We close our new console so that subsequent messages appear in a popup. */
  FreeConsole();
  return false;
}

void alloc_console(nssm_service_t *service) {
  if (service->no_console) return;

  AllocConsole();
}