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-1) /* 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 /* not supported yet */
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
92/*
93 * These values of sa_flags are used only by the kernel as part of the
94 * irq handling routines.
95 *
96 * SA_INTERRUPT is also used by the irq handling routines.
97 * SA_SHIRQ is for shared interrupt support on PCI and EISA.
98 */
99#define SA_PROBE		SA_ONESHOT
100#define SA_SAMPLE_RANDOM	SA_RESTART
101#define SA_SHIRQ		0x04000000
102
103#endif /* __KERNEL__ */
104
105#define SIG_BLOCK          0	/* for blocking signals */
106#define SIG_UNBLOCK        1	/* for unblocking signals */
107#define SIG_SETMASK        2	/* for setting the signal mask */
108
109#define SIG_DFL	((__sighandler_t)0)	/* default signal handling */
110#define SIG_IGN	((__sighandler_t)1)	/* ignore signal */
111#define SIG_ERR	((__sighandler_t)-1)	/* error return from signal */
112
113# ifndef __ASSEMBLY__
114
115#  include <linux/types.h>
116
117/* Avoid too many header ordering problems.  */
118struct siginfo;
119
120/* Type of a signal handler.  */
121#ifdef __LP64__
122/* function pointers on 64-bit parisc are pointers to little structs and the
123 * compiler doesn't support code which changes or tests the address of
124 * the function in the little struct.  This is really ugly -PB
125 */
126typedef __kernel_caddr_t __sighandler_t;
127#else
128typedef void (*__sighandler_t)(int);
129#endif
130
131typedef struct sigaltstack {
132	void *ss_sp;
133	int ss_flags;
134	size_t ss_size;
135} stack_t;
136
137#ifdef __KERNEL__
138
139/* Most things should be clean enough to redefine this at will, if care
140   is taken to make libc match.  */
141
142typedef unsigned long old_sigset_t;		/* at least 32 bits */
143
144typedef struct {
145	/* next_signal() assumes this is a long - no choice */
146	unsigned long sig[_NSIG_WORDS];
147} sigset_t;
148
149struct sigaction {
150	__sighandler_t sa_handler;
151	unsigned long sa_flags;
152	sigset_t sa_mask;		/* mask last for extensibility */
153};
154
155struct k_sigaction {
156	struct sigaction sa;
157};
158
159#include <asm/sigcontext.h>
160
161#endif /* __KERNEL__ */
162#endif /* !__ASSEMBLY */
163#endif /* _ASM_PARISC_SIGNAL_H */
164