fun wait `{
#ifdef _WIN32
		long unsigned int status;
		if (self->running) {
			WaitForSingleObject(self->h_process, INFINITE);
			GetExitCodeProcess(self->h_process, &status);

			CloseHandle(self->h_process);
			CloseHandle(self->h_thread);

			self->status = (int)status;
			self->running = 0;
		}
#else
		int status;
		if (self->running) {
			waitpid(self->id, &status, 0);
			self->status = WEXITSTATUS(status);
			self->running = 0;
		}
#endif
	`}