-#ifndef _TARGET_OS_SIGNAL_H_
-#define _TARGET_OS_SIGNAL_H_
+#ifndef TARGET_OS_SIGNAL_H
+#define TARGET_OS_SIGNAL_H
#include "target_os_siginfo.h"
#include "target_arch_signal.h"
#define TARGET_SS_ONSTACK 0x0001 /* take signals on alternate stack */
#define TARGET_SS_DISABLE 0x0004 /* disable taking signals on alternate stack*/
-#endif /* !_TARGET_OS_SIGNAL_H_ */
+#endif /* TARGET_OS_SIGNAL_H */