[net-next-2.6.git] / arch / blackfin / include / asm / signal.h

#ifndef _BLACKFIN_SIGNAL_H
#define _BLACKFIN_SIGNAL_H

#include <linux/types.h>

/* Avoid too many header ordering problems.  */
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	/* not supported yet */
#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

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

#define MINSIGSTKSZ	2048
#define SIGSTKSZ	8192

#include <asm-generic/signal-defs.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 __user *ss_sp;
	int ss_flags;
	size_t ss_size;
} stack_t;

#ifdef __KERNEL__

#include <asm/sigcontext.h>
#undef __HAVE_ARCH_SIG_BITOPS

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

#endif				/* __KERNEL__ */

#endif				/* _BLACKFIN_SIGNAL_H */
Commit	Line	Data
1394f032 BW	1	#ifndef _BLACKFIN_SIGNAL_H
	2	#define _BLACKFIN_SIGNAL_H
	3
	4	#include <linux/types.h>
	5
	6	/* Avoid too many header ordering problems. */
	7	struct siginfo;
	8
	9	#ifdef __KERNEL__
	10	/* Most things should be clean enough to redefine this at will, if care
	11	is taken to make libc match. */
	12
	13	#define _NSIG 64
	14	#define _NSIG_BPW 32
	15	#define _NSIG_WORDS (_NSIG / _NSIG_BPW)
	16
	17	typedef unsigned long old_sigset_t; /* at least 32 bits */
	18
	19	typedef struct {
	20	unsigned long sig[_NSIG_WORDS];
	21	} sigset_t;
	22
	23	#else
	24	/* Here we must cater to libcs that poke about in kernel headers. */
	25
	26	#define NSIG 32
	27	typedef unsigned long sigset_t;
	28
	29	#endif /* __KERNEL__ */
	30
	31	#define SIGHUP 1
	32	#define SIGINT 2
	33	#define SIGQUIT 3
	34	#define SIGILL 4
	35	#define SIGTRAP 5
	36	#define SIGABRT 6
	37	#define SIGIOT 6
	38	#define SIGBUS 7
	39	#define SIGFPE 8
	40	#define SIGKILL 9
	41	#define SIGUSR1 10
	42	#define SIGSEGV 11
	43	#define SIGUSR2 12
	44	#define SIGPIPE 13
	45	#define SIGALRM 14
	46	#define SIGTERM 15
	47	#define SIGSTKFLT 16
	48	#define SIGCHLD 17
	49	#define SIGCONT 18
	50	#define SIGSTOP 19
	51	#define SIGTSTP 20
	52	#define SIGTTIN 21
	53	#define SIGTTOU 22
	54	#define SIGURG 23
	55	#define SIGXCPU 24
	56	#define SIGXFSZ 25
	57	#define SIGVTALRM 26
	58	#define SIGPROF 27
	59	#define SIGWINCH 28
	60	#define SIGIO 29
	61	#define SIGPOLL SIGIO
	62	/*
	63	#define SIGLOST 29
	64	*/
65	#define SIGPWR 30
66	#define SIGSYS 31
67	#define SIGUNUSED 31
68
69	/* These should not be considered constants from userland. */
70	#define SIGRTMIN 32
71	#define SIGRTMAX _NSIG
72
73	/*
74	* SA_FLAGS values:
75	*
76	* SA_ONSTACK indicates that a registered stack_t will be used.
77	* SA_INTERRUPT is a no-op, but left due to historical reasons. Use the
78	* SA_RESTART flag to get restarting signals (which were the default long ago)
79	* SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
80	* SA_RESETHAND clears the handler when the signal is delivered.
81	* SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
82	* SA_NODEFER prevents the current signal from being masked in the handler.
83	*
84	* SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
85	* Unix names RESETHAND and NODEFER respectively.
86	*/
87	#define SA_NOCLDSTOP 0x00000001
88	#define SA_NOCLDWAIT 0x00000002 /* not supported yet */
89	#define SA_SIGINFO 0x00000004
90	#define SA_ONSTACK 0x08000000
91	#define SA_RESTART 0x10000000
92	#define SA_NODEFER 0x40000000
93	#define SA_RESETHAND 0x80000000
94
95	#define SA_NOMASK SA_NODEFER
96	#define SA_ONESHOT SA_RESETHAND
97
98	/*
99	* sigaltstack controls
100	*/
101	#define SS_ONSTACK 1
102	#define SS_DISABLE 2
103
104	#define MINSIGSTKSZ 2048
105	#define SIGSTKSZ 8192
106
63b852a6	107	#include <asm-generic/signal-defs.h>
1394f032 BW	108
	109	#ifdef __KERNEL__
	110	struct old_sigaction {
	111	__sighandler_t sa_handler;
	112	old_sigset_t sa_mask;
	113	unsigned long sa_flags;
	114	void (*sa_restorer) (void);
	115	};
	116
	117	struct sigaction {
	118	__sighandler_t sa_handler;
	119	unsigned long sa_flags;
	120	void (*sa_restorer) (void);
	121	sigset_t sa_mask; /* mask last for extensibility */
	122	};
	123
	124	struct k_sigaction {
	125	struct sigaction sa;
	126	};
	127	#else
	128	/* Here we must cater to libcs that poke about in kernel headers. */
	129
	130	struct sigaction {
	131	union {
	132	__sighandler_t _sa_handler;
	133	void (_sa_sigaction) (int, struct siginfo , void *);
	134	} _u;
	135	sigset_t sa_mask;
	136	unsigned long sa_flags;
	137	void (*sa_restorer) (void);
	138	};
	139
	140	#define sa_handler _u._sa_handler
	141	#define sa_sigaction _u._sa_sigaction
	142
	143	#endif /* __KERNEL__ */
	144
	145	typedef struct sigaltstack {
0ddeeca2	146	void __user *ss_sp;
1394f032 BW	147	int ss_flags;
	148	size_t ss_size;
	149	} stack_t;
	150
	151	#ifdef __KERNEL__
	152
	153	#include <asm/sigcontext.h>
	154	#undef __HAVE_ARCH_SIG_BITOPS
	155
	156	#define ptrace_signal_deliver(regs, cookie) do { } while (0)
	157
	158	#endif /* __KERNEL__ */
	159
	160	#endif /* _BLACKFIN_SIGNAL_H */