* IBM's contributions to this file may be relicensed under LGPLv2 or later.
*/
-#if !defined(RCU_MEMBARRIER) && !defined(RCU_SIGNAL) && !defined(RCU_MB)
+#if !defined(RCU_MEMBARRIER) && !defined(RCU_MB)
#define RCU_MEMBARRIER
#endif
#ifdef RCU_MEMBARRIER
#include <urcu/urcu-memb.h>
-#elif defined(RCU_SIGNAL)
-#include <urcu/urcu-signal.h>
#elif defined(RCU_MB)
#include <urcu/urcu-mb.h>
#else