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1da177e4 LT |
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_INTERRUPT is a no-op, but left due to historical reasons. | |
60 | * SA_RESTART flag to get restarting signals (which were the default long ago) | |
61 | * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop. | |
62 | * SA_RESETHAND clears the handler when the signal is delivered. | |
63 | * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies. | |
64 | * SA_NODEFER prevents the current signal from being masked in the handler. | |
65 | * | |
66 | * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single | |
67 | * Unix names RESETHAND and NODEFER respectively. | |
68 | */ | |
69 | #define SA_NOCLDSTOP 0x00000001 | |
70 | #define SA_NOCLDWAIT 0x00000002 | |
71 | #define SA_SIGINFO 0x00000004 | |
72 | #define SA_ONSTACK 0x08000000 | |
73 | #define SA_RESTART 0x10000000 | |
74 | #define SA_NODEFER 0x40000000 | |
75 | #define SA_RESETHAND 0x80000000 | |
76 | ||
77 | #define SA_NOMASK SA_NODEFER | |
78 | #define SA_ONESHOT SA_RESETHAND | |
79 | #define SA_INTERRUPT 0x20000000 /* dummy -- ignored */ | |
80 | ||
81 | #define SA_RESTORER 0x04000000 | |
82 | ||
83 | /* | |
84 | * sigaltstack controls | |
85 | */ | |
86 | #define SS_ONSTACK 1 | |
87 | #define SS_DISABLE 2 | |
88 | ||
89 | /* | |
90 | * The minimum stack size needs to be fairly large because we want to | |
91 | * be sure that an app compiled for today's CPUs will continue to run | |
92 | * on all future CPU models. The CPU model matters because the signal | |
93 | * frame needs to have space for the complete machine state, including | |
94 | * all physical stacked registers. The number of physical stacked | |
95 | * registers is CPU model dependent, but given that the width of | |
96 | * ar.rsc.loadrs is 14 bits, we can assume that they'll never take up | |
97 | * more than 16KB of space. | |
98 | */ | |
99 | #if 1 | |
100 | /* | |
101 | * This is a stupid typo: the value was _meant_ to be 131072 (0x20000), but I typed it | |
102 | * in wrong. ;-( To preserve backwards compatibility, we leave the kernel at the | |
103 | * incorrect value and fix libc only. | |
104 | */ | |
105 | # define MINSIGSTKSZ 131027 /* min. stack size for sigaltstack() */ | |
106 | #else | |
107 | # define MINSIGSTKSZ 131072 /* min. stack size for sigaltstack() */ | |
108 | #endif | |
109 | #define SIGSTKSZ 262144 /* default stack size for sigaltstack() */ | |
110 | ||
111 | #ifdef __KERNEL__ | |
112 | ||
113 | #define _NSIG 64 | |
114 | #define _NSIG_BPW 64 | |
115 | #define _NSIG_WORDS (_NSIG / _NSIG_BPW) | |
116 | ||
1da177e4 LT |
117 | #define SA_PERCPU_IRQ 0x02000000 |
118 | ||
119 | #endif /* __KERNEL__ */ | |
120 | ||
b1ecb4c3 | 121 | #include <asm-generic/signal.h> |
1da177e4 LT |
122 | |
123 | # ifndef __ASSEMBLY__ | |
124 | ||
125 | # include <linux/types.h> | |
126 | ||
127 | /* Avoid too many header ordering problems. */ | |
128 | struct siginfo; | |
129 | ||
1da177e4 LT |
130 | typedef struct sigaltstack { |
131 | void __user *ss_sp; | |
132 | int ss_flags; | |
133 | size_t ss_size; | |
134 | } stack_t; | |
135 | ||
136 | #ifdef __KERNEL__ | |
137 | ||
138 | /* Most things should be clean enough to redefine this at will, if care | |
139 | is taken to make libc match. */ | |
140 | ||
141 | typedef unsigned long old_sigset_t; | |
142 | ||
143 | typedef struct { | |
144 | unsigned long sig[_NSIG_WORDS]; | |
145 | } sigset_t; | |
146 | ||
147 | struct sigaction { | |
148 | __sighandler_t sa_handler; | |
149 | unsigned long sa_flags; | |
150 | sigset_t sa_mask; /* mask last for extensibility */ | |
151 | }; | |
152 | ||
153 | struct k_sigaction { | |
154 | struct sigaction sa; | |
155 | }; | |
156 | ||
157 | # include <asm/sigcontext.h> | |
158 | ||
159 | #define ptrace_signal_deliver(regs, cookie) do { } while (0) | |
160 | ||
1da177e4 LT |
161 | #endif /* __KERNEL__ */ |
162 | ||
163 | # endif /* !__ASSEMBLY__ */ | |
164 | #endif /* _ASM_IA64_SIGNAL_H */ |