[deliverable/linux.git] / include / asm-m32r / signal.h

#ifndef _ASM_M32R_SIGNAL_H
#define _ASM_M32R_SIGNAL_H

/* $Id$ */

/* orig : i386 2.4.18 */

#include <linux/types.h>
#include <linux/linkage.h>
#include <linux/time.h>
#include <linux/compiler.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	0x00000001u
#define SA_NOCLDWAIT	0x00000002u
#define SA_SIGINFO	0x00000004u
#define SA_ONSTACK	0x08000000u
#define SA_RESTART	0x10000000u
#define SA_NODEFER	0x40000000u
#define SA_RESETHAND	0x80000000u

#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

#ifdef __KERNEL__

/*
 * These values of sa_flags are used only by the kernel as part of the
 * irq handling routines.
 *
 * SA_INTERRUPT is also used by the irq handling routines.
 * SA_SHIRQ is for shared interrupt support on PCI and EISA.
 */
#define SA_PROBE		SA_ONESHOT
#define SA_SAMPLE_RANDOM	SA_RESTART
#define SA_SHIRQ		0x04000000
#endif

#define SIG_BLOCK          0	/* for blocking signals */
#define SIG_UNBLOCK        1	/* for unblocking signals */
#define SIG_SETMASK        2	/* for setting the signal mask */

/* Type of a signal handler.  */
typedef void __signalfn_t(int);
typedef __signalfn_t __user *__sighandler_t;

typedef void __restorefn_t(void);
typedef __restorefn_t __user *__sigrestore_t;

#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 */

#ifdef __KERNEL__
struct old_sigaction {
	__sighandler_t sa_handler;
	old_sigset_t sa_mask;
	unsigned long sa_flags;
	__sigrestore_t sa_restorer;
};

struct sigaction {
	__sighandler_t sa_handler;
	unsigned long sa_flags;
	__sigrestore_t sa_restorer;
	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

struct pt_regs;
extern int FASTCALL(do_signal(struct pt_regs *regs, sigset_t *oldset));

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

#endif /* __KERNEL__ */

#endif  /* _ASM_M32R_SIGNAL_H */
Commit	Line	Data
1da177e4 LT	1	#ifndef _ASM_M32R_SIGNAL_H
	2	#define _ASM_M32R_SIGNAL_H
	3
	4	/* $Id$ */
	5
	6	/* orig : i386 2.4.18 */
	7
	8	#include <linux/types.h>
	9	#include <linux/linkage.h>
	10	#include <linux/time.h>
	11	#include <linux/compiler.h>
	12
	13	/* Avoid too many header ordering problems. */
	14	struct siginfo;
	15
	16	#ifdef __KERNEL__
	17	/* Most things should be clean enough to redefine this at will, if care
	18	is taken to make libc match. */
	19
	20	#define _NSIG 64
	21	#define _NSIG_BPW 32
	22	#define _NSIG_WORDS (_NSIG / _NSIG_BPW)
	23
	24	typedef unsigned long old_sigset_t; /* at least 32 bits */
	25
	26	typedef struct {
	27	unsigned long sig[_NSIG_WORDS];
	28	} sigset_t;
	29
	30	#else
	31	/* Here we must cater to libcs that poke about in kernel headers. */
	32
	33	#define NSIG 32
	34	typedef unsigned long sigset_t;
	35
	36	#endif /* __KERNEL__ */
	37
	38	#define SIGHUP 1
	39	#define SIGINT 2
	40	#define SIGQUIT 3
	41	#define SIGILL 4
	42	#define SIGTRAP 5
	43	#define SIGABRT 6
	44	#define SIGIOT 6
	45	#define SIGBUS 7
	46	#define SIGFPE 8
	47	#define SIGKILL 9
	48	#define SIGUSR1 10
	49	#define SIGSEGV 11
	50	#define SIGUSR2 12
	51	#define SIGPIPE 13
	52	#define SIGALRM 14
	53	#define SIGTERM 15
	54	#define SIGSTKFLT 16
	55	#define SIGCHLD 17
	56	#define SIGCONT 18
	57	#define SIGSTOP 19
	58	#define SIGTSTP 20
	59	#define SIGTTIN 21
	60	#define SIGTTOU 22
	61	#define SIGURG 23
	62	#define SIGXCPU 24
	63	#define SIGXFSZ 25
	64	#define SIGVTALRM 26
65	#define SIGPROF 27
66	#define SIGWINCH 28
67	#define SIGIO 29
68	#define SIGPOLL SIGIO
69	/*
70	#define SIGLOST 29
71	*/
72	#define SIGPWR 30
73	#define SIGSYS 31
74	#define SIGUNUSED 31
75
76	/* These should not be considered constants from userland. */
77	#define SIGRTMIN 32
78	#define SIGRTMAX _NSIG
79
80	/*
81	* SA_FLAGS values:
82	*
83	* SA_ONSTACK indicates that a registered stack_t will be used.
84	* SA_INTERRUPT is a no-op, but left due to historical reasons. Use the
85	* SA_RESTART flag to get restarting signals (which were the default long ago)
86	* SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
87	* SA_RESETHAND clears the handler when the signal is delivered.
88	* SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
89	* SA_NODEFER prevents the current signal from being masked in the handler.
90	*
91	* SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
92	* Unix names RESETHAND and NODEFER respectively.
93	*/
94	#define SA_NOCLDSTOP 0x00000001u
95	#define SA_NOCLDWAIT 0x00000002u
96	#define SA_SIGINFO 0x00000004u
97	#define SA_ONSTACK 0x08000000u
98	#define SA_RESTART 0x10000000u
99	#define SA_NODEFER 0x40000000u
100	#define SA_RESETHAND 0x80000000u
101
102	#define SA_NOMASK SA_NODEFER
103	#define SA_ONESHOT SA_RESETHAND
104	#define SA_INTERRUPT 0x20000000 /* dummy -- ignored */
105
106	#define SA_RESTORER 0x04000000
107
108	/*
109	* sigaltstack controls
110	*/
111	#define SS_ONSTACK 1
112	#define SS_DISABLE 2
113
114	#define MINSIGSTKSZ 2048
115	#define SIGSTKSZ 8192
116
117	#ifdef __KERNEL__
118
119	/*
120	* These values of sa_flags are used only by the kernel as part of the
121	* irq handling routines.
122	*
123	* SA_INTERRUPT is also used by the irq handling routines.
124	* SA_SHIRQ is for shared interrupt support on PCI and EISA.
125	*/
126	#define SA_PROBE SA_ONESHOT
127	#define SA_SAMPLE_RANDOM SA_RESTART
128	#define SA_SHIRQ 0x04000000
129	#endif
130
131	#define SIG_BLOCK 0 /* for blocking signals */
132	#define SIG_UNBLOCK 1 /* for unblocking signals */
133	#define SIG_SETMASK 2 /* for setting the signal mask */
134
135	/* Type of a signal handler. */
136	typedef void __signalfn_t(int);
137	typedef __signalfn_t __user *__sighandler_t;
138
139	typedef void __restorefn_t(void);
140	typedef __restorefn_t __user *__sigrestore_t;
141
142	#define SIG_DFL ((__sighandler_t)0) /* default signal handling */
143	#define SIG_IGN ((__sighandler_t)1) /* ignore signal */
144	#define SIG_ERR ((__sighandler_t)-1) /* error return from signal */
145
146	#ifdef __KERNEL__
147	struct old_sigaction {
148	__sighandler_t sa_handler;
149	old_sigset_t sa_mask;
150	unsigned long sa_flags;
151	__sigrestore_t sa_restorer;
152	};
153
154	struct sigaction {
155	__sighandler_t sa_handler;
156	unsigned long sa_flags;
157	__sigrestore_t sa_restorer;
158	sigset_t sa_mask; /* mask last for extensibility */
159	};
160
161	struct k_sigaction {
162	struct sigaction sa;
163	};
164	#else
165	/* Here we must cater to libcs that poke about in kernel headers. */
166
167	struct sigaction {
168	union {
169	__sighandler_t _sa_handler;
170	void (_sa_sigaction)(int, struct siginfo , void *);
171	} _u;
172	sigset_t sa_mask;
173	unsigned long sa_flags;
174	void (*sa_restorer)(void);
175	};
176
177	#define sa_handler _u._sa_handler
178	#define sa_sigaction _u._sa_sigaction
179
180	#endif /* __KERNEL__ */
181
182	typedef struct sigaltstack {
183	void __user *ss_sp;
184	int ss_flags;
185	size_t ss_size;
186	} stack_t;
187
188	#ifdef __KERNEL__
189	#include <asm/sigcontext.h>
190
191	#undef __HAVE_ARCH_SIG_BITOPS
192
193	struct pt_regs;
194	extern int FASTCALL(do_signal(struct pt_regs regs, sigset_t oldset));
195
196	#define ptrace_signal_deliver(regs, cookie) do { } while (0)
197
198	#endif /* __KERNEL__ */
199
200	#endif /* _ASM_M32R_SIGNAL_H */