signal.h

fairysky系统,是一个小型的内核,模拟linux原始版本的

#ifndef _LINUX_SIGNAL_H
#define _LINUX_SIGNAL_H

#include <fairysky/types.h>


#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 SIGXCPU		24
#define SIGXFSZ		25
*/

#define SIGVTALRM	26
#define SIGPROF		27

#define SIGWINCH	28

/*
#define SIGLOST		29
*/

#define SA_NOCLDSTOP	1
#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 */

#define SIG_DFL		((void (*)(int))0)	/* default signal handling */
#define SIG_IGN		((void (*)(int))1)	/* ignore signal */
#define SIG_ERR		((void (*)(int))-1)	/* error return from signal */

struct sigaction {
	void (*sa_handler)(int);
	sigset_t sa_mask;
	int sa_flags;
	void (*sa_restorer)(void);
};

#endif