#include "portab.h"
-static char UNUSED id[] = "$Id: io.c,v 1.27 2007/12/27 18:25:26 fw Exp $";
+static char UNUSED id[] = "$Id: io.c,v 1.28 2008/01/02 10:29:51 fw Exp $";
#include <assert.h>
#include <stdlib.h>
#endif
if (!i) return false;
+ if (!(i->what & what)) /* event is already disabled */
+ return true;
+
i->what &= ~what;
#ifdef IO_USE_DEVPOLL