/*
        Copyright 07/20/98 Sun Microsystems, Inc. All Rights Reserved
*/


#if !defined(__STD_CSIGNAL) && !defined(__STD_SIGNAL_H)
#define __STD_CSIGNAL

#include <sys/feature_tests.h>

#define	SIGHUP	1	/* hangup */
#define	SIGINT	2	/* interrupt (rubout) */
#define	SIGQUIT	3	/* quit (ASCII FS) */
#define	SIGILL	4	/* illegal instruction (not reset when caught) */
#define	SIGTRAP	5	/* trace trap (not reset when caught) */
#define	SIGIOT	6	/* IOT instruction */
#define	SIGABRT 6	/* used by abort, replace SIGIOT in the future */
#define	SIGEMT	7	/* EMT instruction */
#define	SIGFPE	8	/* floating point exception */
#define	SIGKILL	9	/* kill (cannot be caught or ignored) */
#define	SIGBUS	10	/* bus error */
#define	SIGSEGV	11	/* segmentation violation */
#define	SIGSYS	12	/* bad argument to system call */
#define	SIGPIPE	13	/* write on a pipe with no one to read it */
#define	SIGALRM	14	/* alarm clock */
#define	SIGTERM	15	/* software termination signal from kill */
#define	SIGUSR1	16	/* user defined signal 1 */
#define	SIGUSR2	17	/* user defined signal 2 */
#define	SIGCLD	18	/* child status change */
#define	SIGCHLD	18	/* child status change alias (POSIX) */
#define	SIGPWR	19	/* power-fail restart */
#define	SIGWINCH 20	/* window size change */
#define	SIGURG	21	/* urgent socket condition */
#define	SIGPOLL 22	/* pollable event occured */
#define	SIGIO	SIGPOLL	/* socket I/O possible (SIGPOLL alias) */
#define	SIGSTOP 23	/* stop (cannot be caught or ignored) */
#define	SIGTSTP 24	/* user stop requested from tty */
#define	SIGCONT 25	/* stopped process has been continued */
#define	SIGTTIN 26	/* background tty read attempted */
#define	SIGTTOU 27	/* background tty write attempted */
#define	SIGVTALRM 28	/* virtual timer expired */
#define	SIGPROF 29	/* profiling timer expired */
#define	SIGXCPU 30	/* exceeded cpu limit */
#define	SIGXFSZ 31	/* exceeded file size limit */
#define	SIGWAITING 32	/* process's lwps are blocked */
#define	SIGLWP	33	/* special signal used by thread library */
#define	SIGFREEZE 34	/* special signal used by CPR */
#define	SIGTHAW 35	/* special signal used by CPR */
#define	SIGCANCEL 36	/* thread cancellation signal used by libthread */
#define	SIGLOST	37	/* resource lost (eg, record-lock lost) */

/* insert new signals here, and move _SIGRTM* appropriately */
#define	_SIGRTMIN 38	/* first (highest-priority) realtime signal */
#define	_SIGRTMAX 45	/* last (lowest-priority) realtime signal */
extern "C" long _sysconf(int);	/* System Private interface to sysconf() */
#define	SIGRTMIN _sysconf(_SC_SIGRT_MIN)	/* first realtime signal */
#define	SIGRTMAX _sysconf(_SC_SIGRT_MAX)	/* last realtime signal */

extern "C" {
typedef	void SIG_FUNC_TYP(int);
typedef	SIG_FUNC_TYP *SIG_TYP;
}
#define	SIG_PF SIG_TYP

#define	SIG_DFL	(SIG_PF)0
#define	SIG_ERR (SIG_PF)-1
#define	SIG_IGN	(SIG_PF)1
#define	SIG_HOLD (SIG_PF)2

#define	SIG_BLOCK	1
#define	SIG_UNBLOCK	2
#define	SIG_SETMASK	3

#define	SIGNO_MASK	0xFF
#define	SIGDEFER	0x100
#define	SIGHOLD		0x200
#define	SIGRELSE	0x400
#define	SIGIGNORE	0x800
#define	SIGPAUSE	0x1000

#define	_SIGQUEUE_MAX	32
#define	_SIGNOTIFY_MAX	32

namespace std {

// C++ Standard functions and types

typedef int	sig_atomic_t;

extern "C" {

extern const char	**_sys_siglistp;	/* signal descriptions */
extern const int	_sys_siglistn;		/* # of signal descriptions */

extern SIG_PF signal(int, SIG_PF);
extern int raise(int);

} /* extern "C" */

} /* namespace std */

#endif /* __STD_signal */