SIG_DFL            23 include/asm-generic/signal.h #define SIG_DFL	((__force __sighandler_t)0)	/* default signal handling */
SIG_DFL            96 include/asm-parisc/signal.h #define SIG_DFL	((__sighandler_t)0)	/* default signal handling */
SIG_DFL           118 include/asm-xtensa/signal.h #define SIG_DFL	((__sighandler_t)0)	/* default signal handling */