#ifndef _LINUX_SIGNAL_H#define _LINUX_SIGNAL_Htypedef unsigned int sigset_t;		/* 32 bits */#define _NSIG             32#define NSIG		_NSIG#define SIGHUP		 1#define SIGINT		 2#define SIGQUIT		 3#define SIGILL		 4#define SIGTRAP		 5#define SIGABRT		 6#define SIGIOT		 6#define SIGUNUSED	 7#define SIGFPE		 8#define SIGKILL		 9#define SIGUSR1		10#define SIGSEGV		11#define SIGUSR2		12#define SIGPIPE		13#define SIGALRM		14#define SIGTERM		15#define SIGSTKFLT	16#define SIGCHLD		17#define SIGCONT		18#define SIGSTOP		19#define SIGTSTP		20#define SIGTTIN		21#define SIGTTOU		22/* * Most of these aren't used yet (and perhaps never will), * so they are commented out. */#define SIGIO		23#define SIGPOLL		SIGIO#define SIGURG		SIGIO#define SIGXCPU		24#define SIGXFSZ		25#define SIGVTALRM	26#define SIGPROF		27#define SIGWINCH	28/*#define SIGLOST		29*/#define SIGPWR		30/* Arggh. Bad user source code wants this.. */#define SIGBUS		SIGUNUSED/* * sa_flags values: SA_STACK is not currently supported, but will allow the * usage of signal stacks by using the (now obsolete) sa_restorer field in * the sigaction structure as a stack pointer. This is now possible due to * the changes in signal handling. LBT 010493. * SA_INTERRUPT is a no-op, but left due to historical reasons. Use the * SA_RESTART flag to get restarting signals (which were the default long ago) */#define SA_NOCLDSTOP	1#define SA_STACK	0x08000000#define SA_RESTART	0x10000000#define SA_INTERRUPT	0x20000000#define SA_NOMASK	0x40000000#define SA_ONESHOT	0x80000000#define SIG_BLOCK          0	/* for blocking signals */#define SIG_UNBLOCK        1	/* for unblocking signals */#define SIG_SETMASK        2	/* for setting the signal mask *//* Type of a signal handler.  */typedef void (*__sighandler_t)(int);#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 */struct sigaction {	__sighandler_t sa_handler;	sigset_t sa_mask;	int sa_flags;	void (*sa_restorer)(void);};#endif