diff options
Diffstat (limited to 'include/asm-ia64/signal.h')
-rw-r--r-- | include/asm-ia64/signal.h | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/include/asm-ia64/signal.h b/include/asm-ia64/signal.h new file mode 100644 index 000000000000..660a759744dd --- /dev/null +++ b/include/asm-ia64/signal.h | |||
@@ -0,0 +1,185 @@ | |||
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 | |||
117 | /* | ||
118 | * These values of sa_flags are used only by the kernel as part of the | ||
119 | * irq handling routines. | ||
120 | * | ||
121 | * SA_INTERRUPT is also used by the irq handling routines. | ||
122 | * SA_SHIRQ is for shared interrupt support on PCI and EISA. | ||
123 | */ | ||
124 | #define SA_PROBE SA_ONESHOT | ||
125 | #define SA_SAMPLE_RANDOM SA_RESTART | ||
126 | #define SA_SHIRQ 0x04000000 | ||
127 | #define SA_PERCPU_IRQ 0x02000000 | ||
128 | |||
129 | #endif /* __KERNEL__ */ | ||
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 | #define SIG_DFL ((__sighandler_t)0) /* default signal handling */ | ||
136 | #define SIG_IGN ((__sighandler_t)1) /* ignore signal */ | ||
137 | #define SIG_ERR ((__sighandler_t)-1) /* error return from signal */ | ||
138 | |||
139 | # ifndef __ASSEMBLY__ | ||
140 | |||
141 | # include <linux/types.h> | ||
142 | |||
143 | /* Avoid too many header ordering problems. */ | ||
144 | struct siginfo; | ||
145 | |||
146 | /* Type of a signal handler. */ | ||
147 | typedef void __user (*__sighandler_t)(int); | ||
148 | |||
149 | typedef struct sigaltstack { | ||
150 | void __user *ss_sp; | ||
151 | int ss_flags; | ||
152 | size_t ss_size; | ||
153 | } stack_t; | ||
154 | |||
155 | #ifdef __KERNEL__ | ||
156 | |||
157 | /* Most things should be clean enough to redefine this at will, if care | ||
158 | is taken to make libc match. */ | ||
159 | |||
160 | typedef unsigned long old_sigset_t; | ||
161 | |||
162 | typedef struct { | ||
163 | unsigned long sig[_NSIG_WORDS]; | ||
164 | } sigset_t; | ||
165 | |||
166 | struct sigaction { | ||
167 | __sighandler_t sa_handler; | ||
168 | unsigned long sa_flags; | ||
169 | sigset_t sa_mask; /* mask last for extensibility */ | ||
170 | }; | ||
171 | |||
172 | struct k_sigaction { | ||
173 | struct sigaction sa; | ||
174 | }; | ||
175 | |||
176 | # include <asm/sigcontext.h> | ||
177 | |||
178 | #define ptrace_signal_deliver(regs, cookie) do { } while (0) | ||
179 | |||
180 | void set_sigdelayed(pid_t pid, int signo, int code, void __user *addr); | ||
181 | |||
182 | #endif /* __KERNEL__ */ | ||
183 | |||
184 | # endif /* !__ASSEMBLY__ */ | ||
185 | #endif /* _ASM_IA64_SIGNAL_H */ | ||