File: /usr/src/linux/include/asm-parisc/signal.h
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. */
118 struct 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 */
126 typedef __kernel_caddr_t __sighandler_t;
127 #else
128 typedef void (*__sighandler_t)(int);
129 #endif
130
131 typedef 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
142 typedef unsigned long old_sigset_t; /* at least 32 bits */
143
144 typedef struct {
145 /* next_signal() assumes this is a long - no choice */
146 unsigned long sig[_NSIG_WORDS];
147 } sigset_t;
148
149 struct sigaction {
150 __sighandler_t sa_handler;
151 unsigned long sa_flags;
152 sigset_t sa_mask; /* mask last for extensibility */
153 };
154
155 struct 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