1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 /*
3 * Modified 1998-2001, 2003
4 * David Mosberger-Tang <davidm@hpl.hp.com>, Hewlett-Packard Co
5 *
6 * Unfortunately, this file is being included by bits/signal.h in
7 * glibc-2.x. Hence the #ifdef __KERNEL__ ugliness.
8 */
9 #ifndef _UAPI_ASM_IA64_SIGNAL_H
10 #define _UAPI_ASM_IA64_SIGNAL_H
11
12
13 #define SIGHUP 1
14 #define SIGINT 2
15 #define SIGQUIT 3
16 #define SIGILL 4
17 #define SIGTRAP 5
18 #define SIGABRT 6
19 #define SIGIOT 6
20 #define SIGBUS 7
21 #define SIGFPE 8
22 #define SIGKILL 9
23 #define SIGUSR1 10
24 #define SIGSEGV 11
25 #define SIGUSR2 12
26 #define SIGPIPE 13
27 #define SIGALRM 14
28 #define SIGTERM 15
29 #define SIGSTKFLT 16
30 #define SIGCHLD 17
31 #define SIGCONT 18
32 #define SIGSTOP 19
33 #define SIGTSTP 20
34 #define SIGTTIN 21
35 #define SIGTTOU 22
36 #define SIGURG 23
37 #define SIGXCPU 24
38 #define SIGXFSZ 25
39 #define SIGVTALRM 26
40 #define SIGPROF 27
41 #define SIGWINCH 28
42 #define SIGIO 29
43 #define SIGPOLL SIGIO
44 /*
45 #define SIGLOST 29
46 */
47 #define SIGPWR 30
48 #define SIGSYS 31
49 /* signal 31 is no longer "unused", but the SIGUNUSED macro remains for backwards compatibility */
50 #define SIGUNUSED 31
51
52 /* These should not be considered constants from userland. */
53 #define SIGRTMIN 32
54 #define SIGRTMAX _NSIG
55
56 /*
57 * SA_FLAGS values:
58 *
59 * SA_ONSTACK indicates that a registered stack_t will be used.
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
80 #define SA_RESTORER 0x04000000
81
82 /*
83 * The minimum stack size needs to be fairly large because we want to
84 * be sure that an app compiled for today's CPUs will continue to run
85 * on all future CPU models. The CPU model matters because the signal
86 * frame needs to have space for the complete machine state, including
87 * all physical stacked registers. The number of physical stacked
88 * registers is CPU model dependent, but given that the width of
89 * ar.rsc.loadrs is 14 bits, we can assume that they'll never take up
90 * more than 16KB of space.
91 */
92 #if 1
93 /*
94 * This is a stupid typo: the value was _meant_ to be 131072 (0x20000), but I typed it
95 * in wrong. ;-( To preserve backwards compatibility, we leave the kernel at the
96 * incorrect value and fix libc only.
97 */
98 # define MINSIGSTKSZ 131027 /* min. stack size for sigaltstack() */
99 #else
100 # define MINSIGSTKSZ 131072 /* min. stack size for sigaltstack() */
101 #endif
102 #define SIGSTKSZ 262144 /* default stack size for sigaltstack() */
103
104
105 #include <asm-generic/signal-defs.h>
106
107 # ifndef __ASSEMBLY__
108
109 # include <linux/types.h>
110
111 /* Avoid too many header ordering problems. */
112 struct siginfo;
113
114 typedef struct sigaltstack {
115 void __user *ss_sp;
116 int ss_flags;
117 size_t ss_size;
118 } stack_t;
119
120
121 # endif /* !__ASSEMBLY__ */
122 #endif /* _UAPI_ASM_IA64_SIGNAL_H */