1#ifndef _ASM_IA64_SIGNAL_H
2#define _ASM_IA64_SIGNAL_H
3
4/*
5 * Modified 1998-2001, 2003
6 *	David Mosberger-Tang <davidm@hpl.hp.com>, Hewlett-Packard Co
7 *
8 * Unfortunately, this file is being included by bits/signal.h in
9 * glibc-2.x.  Hence the #ifdef __KERNEL__ ugliness.
10 */
11
12#define SIGHUP		 1
13#define SIGINT		 2
14#define SIGQUIT		 3
15#define SIGILL		 4
16#define SIGTRAP		 5
17#define SIGABRT		 6
18#define SIGIOT		 6
19#define SIGBUS		 7
20#define SIGFPE		 8
21#define SIGKILL		 9
22#define SIGUSR1		10
23#define SIGSEGV		11
24#define SIGUSR2		12
25#define SIGPIPE		13
26#define SIGALRM		14
27#define SIGTERM		15
28#define SIGSTKFLT	16
29#define SIGCHLD		17
30#define SIGCONT		18
31#define SIGSTOP		19
32#define SIGTSTP		20
33#define SIGTTIN		21
34#define SIGTTOU		22
35#define SIGURG		23
36#define SIGXCPU		24
37#define SIGXFSZ		25
38#define SIGVTALRM	26
39#define SIGPROF		27
40#define SIGWINCH	28
41#define SIGIO		29
42#define SIGPOLL		SIGIO
43/*
44#define SIGLOST		29
45*/
46#define SIGPWR		30
47#define SIGSYS		31
48/* signal 31 is no longer "unused", but the SIGUNUSED macro remains for backwards compatibility */
49#define	SIGUNUSED	31
50
51/* These should not be considered constants from userland.  */
52#define SIGRTMIN	32
53#define SIGRTMAX	_NSIG
54
55/*
56 * SA_FLAGS values:
57 *
58 * SA_ONSTACK indicates that a registered stack_t will be used.
59 * SA_RESTART flag to get restarting signals (which were the default long ago)
60 * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
61 * SA_RESETHAND clears the handler when the signal is delivered.
62 * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
63 * SA_NODEFER prevents the current signal from being masked in the handler.
64 *
65 * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
66 * Unix names RESETHAND and NODEFER respectively.
67 */
68#define SA_NOCLDSTOP	0x00000001
69#define SA_NOCLDWAIT	0x00000002
70#define SA_SIGINFO	0x00000004
71#define SA_ONSTACK	0x08000000
72#define SA_RESTART	0x10000000
73#define SA_NODEFER	0x40000000
74#define SA_RESETHAND	0x80000000
75
76#define SA_NOMASK	SA_NODEFER
77#define SA_ONESHOT	SA_RESETHAND
78
79#define SA_RESTORER	0x04000000
80
81/*
82 * sigaltstack controls
83 */
84#define SS_ONSTACK	1
85#define SS_DISABLE	2
86
87/*
88 * The minimum stack size needs to be fairly large because we want to
89 * be sure that an app compiled for today's CPUs will continue to run
90 * on all future CPU models.  The CPU model matters because the signal
91 * frame needs to have space for the complete machine state, including
92 * all physical stacked registers.  The number of physical stacked
93 * registers is CPU model dependent, but given that the width of
94 * ar.rsc.loadrs is 14 bits, we can assume that they'll never take up
95 * more than 16KB of space.
96 */
97  /*
98   * This is a stupid typo: the value was _meant_ to be 131072 (0x20000), but I typed it
99   * in wrong. ;-(  To preserve backwards compatibility, we leave the kernel at the
100   * incorrect value and fix libc only.
101   */
102# define MINSIGSTKSZ	131027	/* min. stack size for sigaltstack() */
103#define SIGSTKSZ	262144	/* default stack size for sigaltstack() */
104
105#ifdef __KERNEL__
106
107#define _NSIG		64
108#define _NSIG_BPW	64
109#define _NSIG_WORDS	(_NSIG / _NSIG_BPW)
110
111#endif /* __KERNEL__ */
112
113#include <asm-generic/signal.h>
114
115# ifndef __ASSEMBLY__
116
117#  include <linux/types.h>
118
119/* Avoid too many header ordering problems.  */
120struct siginfo;
121
122typedef struct sigaltstack {
123	void __user *ss_sp;
124	int ss_flags;
125	size_t ss_size;
126} stack_t;
127
128#ifdef __KERNEL__
129
130/* Most things should be clean enough to redefine this at will, if care
131   is taken to make libc match.  */
132
133typedef unsigned long old_sigset_t;
134
135typedef struct {
136	unsigned long sig[_NSIG_WORDS];
137} sigset_t;
138
139struct sigaction {
140	__sighandler_t sa_handler;
141	unsigned long sa_flags;
142	sigset_t sa_mask;		/* mask last for extensibility */
143};
144
145struct k_sigaction {
146	struct sigaction sa;
147};
148
149#  include <asm/sigcontext.h>
150
151#define ptrace_signal_deliver(regs, cookie) do { } while (0)
152
153#endif /* __KERNEL__ */
154
155# endif /* !__ASSEMBLY__ */
156#endif /* _ASM_IA64_SIGNAL_H */
157