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

#ifndef _UAPI__ASM_GENERIC_SIGNAL_H
#define _UAPI__ASM_GENERIC_SIGNAL_H

#include <linux/types.h>

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

#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
#ifndef SIGRTMAX
#define SIGRTMAX	_NSIG
#endif

/*
 * SA_FLAGS values:
 *
 * SA_ONSTACK indicates that a registered stack_t will be used.
 * 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

/*
 * New architectures should not define the obsolete
 *	SA_RESTORER	0x04000000
 */

#if !defined MINSIGSTKSZ || !defined SIGSTKSZ
#define MINSIGSTKSZ	2048
#define SIGSTKSZ	8192
#endif

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

/* not actually used, but required for linux/syscalls.h */
typedef unsigned long old_sigset_t;

#include <asm-generic/signal-defs.h>

#ifdef SA_RESTORER
#define __ARCH_HAS_SA_RESTORER
#endif

#ifndef __KERNEL__
struct sigaction {
	__sighandler_t sa_handler;
	unsigned long sa_flags;
#ifdef SA_RESTORER
	__sigrestore_t sa_restorer;
#endif
	sigset_t sa_mask;		/* mask last for extensibility */
};
#endif

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

#endif /* __ASSEMBLY__ */

#endif /* _UAPI__ASM_GENERIC_SIGNAL_H */
Commit	Line	Data
8a1ab315 DH	1	#ifndef _UAPI__ASM_GENERIC_SIGNAL_H
	2	#define _UAPI__ASM_GENERIC_SIGNAL_H
	3
	4	#include <linux/types.h>
	5
	6	#define _NSIG 64
	7	#define _NSIG_BPW __BITS_PER_LONG
	8	#define _NSIG_WORDS (_NSIG / _NSIG_BPW)
	9
	10	#define SIGHUP 1
	11	#define SIGINT 2
	12	#define SIGQUIT 3
	13	#define SIGILL 4
	14	#define SIGTRAP 5
	15	#define SIGABRT 6
	16	#define SIGIOT 6
	17	#define SIGBUS 7
	18	#define SIGFPE 8
	19	#define SIGKILL 9
	20	#define SIGUSR1 10
	21	#define SIGSEGV 11
	22	#define SIGUSR2 12
	23	#define SIGPIPE 13
	24	#define SIGALRM 14
	25	#define SIGTERM 15
	26	#define SIGSTKFLT 16
	27	#define SIGCHLD 17
	28	#define SIGCONT 18
	29	#define SIGSTOP 19
	30	#define SIGTSTP 20
	31	#define SIGTTIN 21
	32	#define SIGTTOU 22
	33	#define SIGURG 23
	34	#define SIGXCPU 24
	35	#define SIGXFSZ 25
	36	#define SIGVTALRM 26
	37	#define SIGPROF 27
	38	#define SIGWINCH 28
	39	#define SIGIO 29
	40	#define SIGPOLL SIGIO
	41	/*
	42	#define SIGLOST 29
	43	*/
	44	#define SIGPWR 30
	45	#define SIGSYS 31
	46	#define SIGUNUSED 31
	47
	48	/* These should not be considered constants from userland. */
	49	#define SIGRTMIN 32
	50	#ifndef SIGRTMAX
	51	#define SIGRTMAX _NSIG
	52	#endif
	53
	54	/*
	55	* SA_FLAGS values:
	56	*
	57	* SA_ONSTACK indicates that a registered stack_t will be used.
	58	* SA_RESTART flag to get restarting signals (which were the default long ago)
	59	* SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
	60	* SA_RESETHAND clears the handler when the signal is delivered.
	61	* SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
	62	* SA_NODEFER prevents the current signal from being masked in the handler.
	63	*
	64	* SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
65	* Unix names RESETHAND and NODEFER respectively.
66	*/
67	#define SA_NOCLDSTOP 0x00000001
68	#define SA_NOCLDWAIT 0x00000002
69	#define SA_SIGINFO 0x00000004
70	#define SA_ONSTACK 0x08000000
71	#define SA_RESTART 0x10000000
72	#define SA_NODEFER 0x40000000
73	#define SA_RESETHAND 0x80000000
74
75	#define SA_NOMASK SA_NODEFER
76	#define SA_ONESHOT SA_RESETHAND
77
78	/*
79	* New architectures should not define the obsolete
80	* SA_RESTORER 0x04000000
81	*/
82
c9692657	83	#if !defined MINSIGSTKSZ \|\| !defined SIGSTKSZ
8a1ab315 DH	84	#define MINSIGSTKSZ 2048
8a1ab315 DH	85	#define SIGSTKSZ 8192
c9692657	86	#endif
8a1ab315 DH	87
	88	#ifndef __ASSEMBLY__
	89	typedef struct {
	90	unsigned long sig[_NSIG_WORDS];
	91	} sigset_t;
	92
	93	/* not actually used, but required for linux/syscalls.h */
	94	typedef unsigned long old_sigset_t;
	95
	96	#include <asm-generic/signal-defs.h>
	97
574c4866 AV	98	#ifdef SA_RESTORER
	99	#define __ARCH_HAS_SA_RESTORER
	100	#endif
	101
	102	#ifndef __KERNEL__
8a1ab315 DH	103	struct sigaction {
	104	__sighandler_t sa_handler;
	105	unsigned long sa_flags;
	106	#ifdef SA_RESTORER
	107	__sigrestore_t sa_restorer;
	108	#endif
	109	sigset_t sa_mask; /* mask last for extensibility */
	110	};
574c4866	111	#endif
8a1ab315	112
8a1ab315 DH	113	typedef struct sigaltstack {
	114	void __user *ss_sp;
	115	int ss_flags;
	116	size_t ss_size;
	117	} stack_t;
	118
	119	#endif /* __ASSEMBLY__ */
	120
	121	#endif /* _UAPI__ASM_GENERIC_SIGNAL_H */