[deliverable/linux.git] / include / asm-sh / signal.h

#ifndef __ASM_SH_SIGNAL_H
#define __ASM_SH_SIGNAL_H

#include <linux/types.h>

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

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

#define _NSIG		64
#define _NSIG_BPW	32
#define _NSIG_WORDS	(_NSIG / _NSIG_BPW)

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

typedef struct {
	unsigned long sig[_NSIG_WORDS];
} sigset_t;

#else
/* Here we must cater to libcs that poke about in kernel headers.  */

#define NSIG		32
typedef unsigned long sigset_t;

#endif /* __KERNEL__ */

#define SIGHUP		 1
#define SIGINT		 2
#define SIGQUIT		 3
#define SIGILL		 4
#define SIGTRAP		 5
#define SIGABRT		 6
#define SIGIOT		 6
#define SIGBUS		 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
#define SIGURG		23
#define SIGXCPU		24
#define SIGXFSZ		25
#define SIGVTALRM	26
#define SIGPROF		27
#define SIGWINCH	28
#define SIGIO		29
#define SIGPOLL		SIGIO
/*
#define SIGLOST		29
*/
#define SIGPWR		30
#define SIGSYS		31
#define	SIGUNUSED	31

/* These should not be considered constants from userland.  */
#define SIGRTMIN	32
#define SIGRTMAX	_NSIG

/*
 * 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_NOCLDSTOP	0x00000001
#define SA_NOCLDWAIT	0x00000002
#define SA_SIGINFO	0x00000004
#define SA_ONSTACK	0x08000000
#define SA_RESTART	0x10000000
#define SA_NODEFER	0x40000000
#define SA_RESETHAND	0x80000000

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

#define SA_RESTORER	0x04000000

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

#define MINSIGSTKSZ	2048
#define SIGSTKSZ	8192

#include <asm-generic/signal.h>

#ifdef __KERNEL__
struct old_sigaction {
	__sighandler_t sa_handler;
	old_sigset_t sa_mask;
	unsigned long sa_flags;
	void (*sa_restorer)(void);
};

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

struct k_sigaction {
	struct sigaction sa;
};
#else
/* Here we must cater to libcs that poke about in kernel headers.  */

struct sigaction {
	union {
	  __sighandler_t _sa_handler;
	  void (*_sa_sigaction)(int, struct siginfo *, void *);
	} _u;
	sigset_t sa_mask;
	unsigned long sa_flags;
	void (*sa_restorer)(void);
};

#define sa_handler	_u._sa_handler
#define sa_sigaction	_u._sa_sigaction

#endif /* __KERNEL__ */

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

#ifdef __KERNEL__
#include <asm/sigcontext.h>

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

#endif /* __KERNEL__ */

#endif /* __ASM_SH_SIGNAL_H */
Commit	Line	Data
1da177e4 LT	1	#ifndef __ASM_SH_SIGNAL_H
	2	#define __ASM_SH_SIGNAL_H
	3
	4	#include <linux/types.h>
	5
	6	/* Avoid too many header ordering problems. */
	7	struct pt_regs;
	8	struct siginfo;
	9
	10	#ifdef __KERNEL__
	11	/* Most things should be clean enough to redefine this at will, if care
	12	is taken to make libc match. */
	13
	14	#define _NSIG 64
	15	#define _NSIG_BPW 32
	16	#define _NSIG_WORDS (_NSIG / _NSIG_BPW)
	17
	18	typedef unsigned long old_sigset_t; /* at least 32 bits */
	19
	20	typedef struct {
	21	unsigned long sig[_NSIG_WORDS];
	22	} sigset_t;
	23
	24	#else
	25	/* Here we must cater to libcs that poke about in kernel headers. */
	26
	27	#define NSIG 32
	28	typedef unsigned long sigset_t;
	29
	30	#endif /* __KERNEL__ */
	31
	32	#define SIGHUP 1
	33	#define SIGINT 2
	34	#define SIGQUIT 3
	35	#define SIGILL 4
	36	#define SIGTRAP 5
	37	#define SIGABRT 6
	38	#define SIGIOT 6
	39	#define SIGBUS 7
	40	#define SIGFPE 8
	41	#define SIGKILL 9
	42	#define SIGUSR1 10
	43	#define SIGSEGV 11
	44	#define SIGUSR2 12
	45	#define SIGPIPE 13
	46	#define SIGALRM 14
	47	#define SIGTERM 15
	48	#define SIGSTKFLT 16
	49	#define SIGCHLD 17
	50	#define SIGCONT 18
	51	#define SIGSTOP 19
	52	#define SIGTSTP 20
	53	#define SIGTTIN 21
	54	#define SIGTTOU 22
	55	#define SIGURG 23
	56	#define SIGXCPU 24
	57	#define SIGXFSZ 25
	58	#define SIGVTALRM 26
	59	#define SIGPROF 27
	60	#define SIGWINCH 28
	61	#define SIGIO 29
	62	#define SIGPOLL SIGIO
	63	/*
	64	#define SIGLOST 29
65	*/
66	#define SIGPWR 30
67	#define SIGSYS 31
68	#define SIGUNUSED 31
69
70	/* These should not be considered constants from userland. */
71	#define SIGRTMIN 32
72	#define SIGRTMAX _NSIG
73
74	/*
75	* SA_FLAGS values:
76	*
77	* SA_ONSTACK indicates that a registered stack_t will be used.
78	* SA_INTERRUPT is a no-op, but left due to historical reasons. Use the
79	* SA_RESTART flag to get restarting signals (which were the default long ago)
80	* SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
81	* SA_RESETHAND clears the handler when the signal is delivered.
82	* SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
83	* SA_NODEFER prevents the current signal from being masked in the handler.
84	*
85	* SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
86	* Unix names RESETHAND and NODEFER respectively.
87	*/
88	#define SA_NOCLDSTOP 0x00000001
89	#define SA_NOCLDWAIT 0x00000002
90	#define SA_SIGINFO 0x00000004
91	#define SA_ONSTACK 0x08000000
92	#define SA_RESTART 0x10000000
93	#define SA_NODEFER 0x40000000
94	#define SA_RESETHAND 0x80000000
95
96	#define SA_NOMASK SA_NODEFER
97	#define SA_ONESHOT SA_RESETHAND
98	#define SA_INTERRUPT 0x20000000 /* dummy -- ignored */
99
100	#define SA_RESTORER 0x04000000
101
102	/*
103	* sigaltstack controls
104	*/
105	#define SS_ONSTACK 1
106	#define SS_DISABLE 2
107
108	#define MINSIGSTKSZ 2048
109	#define SIGSTKSZ 8192
110
b1ecb4c3	111	#include <asm-generic/signal.h>
1da177e4 LT	112
	113	#ifdef __KERNEL__
	114	struct old_sigaction {
	115	__sighandler_t sa_handler;
	116	old_sigset_t sa_mask;
	117	unsigned long sa_flags;
	118	void (*sa_restorer)(void);
	119	};
	120
	121	struct sigaction {
	122	__sighandler_t sa_handler;
	123	unsigned long sa_flags;
	124	void (*sa_restorer)(void);
	125	sigset_t sa_mask; /* mask last for extensibility */
	126	};
	127
	128	struct k_sigaction {
	129	struct sigaction sa;
	130	};
	131	#else
	132	/* Here we must cater to libcs that poke about in kernel headers. */
	133
	134	struct sigaction {
	135	union {
	136	__sighandler_t _sa_handler;
	137	void (_sa_sigaction)(int, struct siginfo , void *);
	138	} _u;
	139	sigset_t sa_mask;
	140	unsigned long sa_flags;
	141	void (*sa_restorer)(void);
	142	};
	143
	144	#define sa_handler _u._sa_handler
	145	#define sa_sigaction _u._sa_sigaction
	146
	147	#endif /* __KERNEL__ */
	148
	149	typedef struct sigaltstack {
	150	void *ss_sp;
	151	int ss_flags;
	152	size_t ss_size;
	153	} stack_t;
	154
	155	#ifdef __KERNEL__
	156	#include <asm/sigcontext.h>
	157
	158	#define ptrace_signal_deliver(regs, cookie) do { } while (0)
	159
	160	#endif /* __KERNEL__ */
	161
	162	#endif /* __ASM_SH_SIGNAL_H */