[mirror_ubuntu-zesty-kernel.git] / include / asm-parisc / signal.h

#ifndef _ASM_PARISC_SIGNAL_H
#define _ASM_PARISC_SIGNAL_H

#define SIGHUP		 1
#define SIGINT		 2
#define SIGQUIT		 3
#define SIGILL		 4
#define SIGTRAP		 5
#define SIGABRT		 6
#define SIGIOT		 6
#define SIGEMT		 7
#define SIGFPE		 8
#define SIGKILL		 9
#define SIGBUS		10
#define SIGSEGV		11
#define SIGSYS		12 /* Linux doesn't use this */
#define SIGPIPE		13
#define SIGALRM		14
#define SIGTERM		15
#define SIGUSR1		16
#define SIGUSR2		17
#define SIGCHLD		18
#define SIGPWR		19
#define SIGVTALRM	20
#define SIGPROF		21
#define SIGIO		22
#define SIGPOLL		SIGIO
#define SIGWINCH	23
#define SIGSTOP		24
#define SIGTSTP		25
#define SIGCONT		26
#define SIGTTIN		27
#define SIGTTOU		28
#define SIGURG		29
#define SIGLOST		30 /* Linux doesn't use this either */
#define	SIGUNUSED	31
#define SIGRESERVE	SIGUNUSED

#define SIGXCPU		33
#define SIGXFSZ		34
#define SIGSTKFLT	36

/* These should not be considered constants from userland.  */
#define SIGRTMIN	37
#define SIGRTMAX	_NSIG /* it's 44 under HP/UX */

/*
 * SA_FLAGS values:
 *
 * SA_ONSTACK indicates that a registered stack_t will be used.
 * 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)
 * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
 * SA_RESETHAND clears the handler when the signal is delivered.
 * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
 * SA_NODEFER prevents the current signal from being masked in the handler.
 *
 * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
 * Unix names RESETHAND and NODEFER respectively.
 */
#define SA_ONSTACK	0x00000001
#define SA_RESETHAND	0x00000004
#define SA_NOCLDSTOP	0x00000008
#define SA_SIGINFO	0x00000010
#define SA_NODEFER	0x00000020
#define SA_RESTART	0x00000040
#define SA_NOCLDWAIT	0x00000080
#define _SA_SIGGFAULT	0x00000100 /* HPUX */

#define SA_NOMASK	SA_NODEFER
#define SA_ONESHOT	SA_RESETHAND
#define SA_INTERRUPT	0x20000000 /* dummy -- ignored */

#define SA_RESTORER	0x04000000 /* obsolete -- ignored */

/* 
 * sigaltstack controls
 */
#define SS_ONSTACK	1
#define SS_DISABLE	2

#define MINSIGSTKSZ	2048
#define SIGSTKSZ	8192

#ifdef __KERNEL__

#define _NSIG		64
/* bits-per-word, where word apparently means 'long' not 'int' */
#define _NSIG_BPW	BITS_PER_LONG
#define _NSIG_WORDS	(_NSIG / _NSIG_BPW)

#endif /* __KERNEL__ */

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

# ifndef __ASSEMBLY__

#  include <linux/types.h>

/* Avoid too many header ordering problems.  */
struct siginfo;

/* Type of a signal handler.  */
#ifdef __LP64__
/* function pointers on 64-bit parisc are pointers to little structs and the
 * compiler doesn't support code which changes or tests the address of
 * the function in the little struct.  This is really ugly -PB
 */
typedef char __user *__sighandler_t;
#else
typedef void __signalfn_t(int);
typedef __signalfn_t __user *__sighandler_t;
#endif

typedef struct sigaltstack {
	void __user *ss_sp;
	int ss_flags;
	size_t ss_size;
} stack_t;

#ifdef __KERNEL__

/* Most things should be clean enough to redefine this at will, if care
   is taken to make libc match.  */

typedef unsigned long old_sigset_t;		/* at least 32 bits */

typedef struct {
	/* next_signal() assumes this is a long - no choice */
	unsigned long sig[_NSIG_WORDS];
} sigset_t;

struct sigaction {
	__sighandler_t sa_handler;
	unsigned long sa_flags;
	sigset_t sa_mask;		/* mask last for extensibility */
};

struct k_sigaction {
	struct sigaction sa;
};

#define ptrace_signal_deliver(regs, cookie) do { } while (0)

#include <asm/sigcontext.h>

#endif /* __KERNEL__ */
#endif /* !__ASSEMBLY */
#endif /* _ASM_PARISC_SIGNAL_H */
Commit	Line	Data
1da177e4 LT	1	#ifndef _ASM_PARISC_SIGNAL_H
	2	#define _ASM_PARISC_SIGNAL_H
	3
	4	#define SIGHUP 1
	5	#define SIGINT 2
	6	#define SIGQUIT 3
	7	#define SIGILL 4
	8	#define SIGTRAP 5
	9	#define SIGABRT 6
	10	#define SIGIOT 6
	11	#define SIGEMT 7
	12	#define SIGFPE 8
	13	#define SIGKILL 9
	14	#define SIGBUS 10
	15	#define SIGSEGV 11
	16	#define SIGSYS 12 /* Linux doesn't use this */
	17	#define SIGPIPE 13
	18	#define SIGALRM 14
	19	#define SIGTERM 15
	20	#define SIGUSR1 16
	21	#define SIGUSR2 17
	22	#define SIGCHLD 18
	23	#define SIGPWR 19
	24	#define SIGVTALRM 20
	25	#define SIGPROF 21
	26	#define SIGIO 22
	27	#define SIGPOLL SIGIO
	28	#define SIGWINCH 23
	29	#define SIGSTOP 24
	30	#define SIGTSTP 25
	31	#define SIGCONT 26
	32	#define SIGTTIN 27
	33	#define SIGTTOU 28
	34	#define SIGURG 29
	35	#define SIGLOST 30 /* Linux doesn't use this either */
	36	#define SIGUNUSED 31
	37	#define SIGRESERVE SIGUNUSED
	38
	39	#define SIGXCPU 33
	40	#define SIGXFSZ 34
	41	#define SIGSTKFLT 36
	42
	43	/* These should not be considered constants from userland. */
	44	#define SIGRTMIN 37
	45	#define SIGRTMAX _NSIG /* it's 44 under HP/UX */
	46
	47	/*
	48	* SA_FLAGS values:
	49	*
	50	* SA_ONSTACK indicates that a registered stack_t will be used.
	51	* SA_INTERRUPT is a no-op, but left due to historical reasons. Use the
	52	* SA_RESTART flag to get restarting signals (which were the default long ago)
	53	* SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
	54	* SA_RESETHAND clears the handler when the signal is delivered.
	55	* SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
	56	* SA_NODEFER prevents the current signal from being masked in the handler.
	57	*
	58	* SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
	59	* Unix names RESETHAND and NODEFER respectively.
	60	*/
	61	#define SA_ONSTACK 0x00000001
	62	#define SA_RESETHAND 0x00000004
	63	#define SA_NOCLDSTOP 0x00000008
	64	#define SA_SIGINFO 0x00000010
65	#define SA_NODEFER 0x00000020
66	#define SA_RESTART 0x00000040
67	#define SA_NOCLDWAIT 0x00000080
68	#define _SA_SIGGFAULT 0x00000100 /* HPUX */
69
70	#define SA_NOMASK SA_NODEFER
71	#define SA_ONESHOT SA_RESETHAND
72	#define SA_INTERRUPT 0x20000000 /* dummy -- ignored */
73
74	#define SA_RESTORER 0x04000000 /* obsolete -- ignored */
75
76	/*
77	* sigaltstack controls
78	*/
79	#define SS_ONSTACK 1
80	#define SS_DISABLE 2
81
82	#define MINSIGSTKSZ 2048
83	#define SIGSTKSZ 8192
84
85	#ifdef __KERNEL__
86
87	#define _NSIG 64
88	/* bits-per-word, where word apparently means 'long' not 'int' */
89	#define _NSIG_BPW BITS_PER_LONG
90	#define _NSIG_WORDS (_NSIG / _NSIG_BPW)
91
1da177e4 LT	92	#endif /* __KERNEL__ */
	93
	94	#define SIG_BLOCK 0 /* for blocking signals */
	95	#define SIG_UNBLOCK 1 /* for unblocking signals */
	96	#define SIG_SETMASK 2 /* for setting the signal mask */
	97
	98	#define SIG_DFL ((__sighandler_t)0) /* default signal handling */
	99	#define SIG_IGN ((__sighandler_t)1) /* ignore signal */
	100	#define SIG_ERR ((__sighandler_t)-1) /* error return from signal */
	101
	102	# ifndef __ASSEMBLY__
	103
	104	# include <linux/types.h>
	105
	106	/* Avoid too many header ordering problems. */
	107	struct siginfo;
	108
	109	/* Type of a signal handler. */
	110	#ifdef __LP64__
	111	/* function pointers on 64-bit parisc are pointers to little structs and the
	112	* compiler doesn't support code which changes or tests the address of
	113	* the function in the little struct. This is really ugly -PB
	114	*/
	115	typedef char __user *__sighandler_t;
	116	#else
	117	typedef void __signalfn_t(int);
	118	typedef __signalfn_t __user *__sighandler_t;
	119	#endif
	120
	121	typedef struct sigaltstack {
	122	void __user *ss_sp;
	123	int ss_flags;
	124	size_t ss_size;
	125	} stack_t;
	126
	127	#ifdef __KERNEL__
	128
	129	/* Most things should be clean enough to redefine this at will, if care
	130	is taken to make libc match. */
	131
	132	typedef unsigned long old_sigset_t; /* at least 32 bits */
	133
	134	typedef struct {
	135	/* next_signal() assumes this is a long - no choice */
	136	unsigned long sig[_NSIG_WORDS];
	137	} sigset_t;
	138
	139	struct sigaction {
	140	__sighandler_t sa_handler;
	141	unsigned long sa_flags;
	142	sigset_t sa_mask; /* mask last for extensibility */
	143	};
	144
	145	struct k_sigaction {
	146	struct sigaction sa;
	147	};
	148
	149	#define ptrace_signal_deliver(regs, cookie) do { } while (0)
	150
	151	#include <asm/sigcontext.h>
	152
	153	#endif /* __KERNEL__ */
	154	#endif /* !__ASSEMBLY */
	155	#endif /* _ASM_PARISC_SIGNAL_H */