Hi Ralf, These definitions are already defined in asm-generic/signal.h . Yoichi Signed-off-by: Yoichi Yuasa <yoichi_yuasa@xxxxxxxxxxxxxx> diff -pruN -X mips/Documentation/dontdiff mips-orig/include/asm-mips/signal.h mips/include/asm-mips/signal.h --- mips-orig/include/asm-mips/signal.h 2006-07-25 14:34:52.507500500 +0900 +++ mips/include/asm-mips/signal.h 2006-07-25 14:49:34.814641250 +0900 @@ -111,14 +111,7 @@ typedef unsigned long old_sigset_t; /* #define SIG_SETMASK32 256 /* Goodie from SGI for BSD compatibility: set only the low 32 bit of the sigset. */ -/* Type of a signal handler. */ -typedef void __signalfn_t(int); -typedef __signalfn_t __user *__sighandler_t; - -/* Fake signal functions */ -#define SIG_DFL ((__sighandler_t)0) /* default signal handling */ -#define SIG_IGN ((__sighandler_t)1) /* ignore signal */ -#define SIG_ERR ((__sighandler_t)-1) /* error return from signal */ +#include <asm-generic/signal.h> struct sigaction { unsigned int sa_flags;