xref: /linux/arch/x86/include/uapi/asm/signal.h (revision f9bff0e31881d03badf191d3b0005839391f5f2b)
1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 #ifndef _UAPI_ASM_X86_SIGNAL_H
3 #define _UAPI_ASM_X86_SIGNAL_H
4 
5 #ifndef __ASSEMBLY__
6 #include <linux/types.h>
7 #include <linux/time.h>
8 #include <linux/compiler.h>
9 
10 /* Avoid too many header ordering problems.  */
11 struct siginfo;
12 
13 #ifndef __KERNEL__
14 /* Here we must cater to libcs that poke about in kernel headers.  */
15 
16 #define NSIG		32
17 typedef unsigned long sigset_t;
18 
19 #endif /* __KERNEL__ */
20 #endif /* __ASSEMBLY__ */
21 
22 
23 #define SIGHUP		 1
24 #define SIGINT		 2
25 #define SIGQUIT		 3
26 #define SIGILL		 4
27 #define SIGTRAP		 5
28 #define SIGABRT		 6
29 #define SIGIOT		 6
30 #define SIGBUS		 7
31 #define SIGFPE		 8
32 #define SIGKILL		 9
33 #define SIGUSR1		10
34 #define SIGSEGV		11
35 #define SIGUSR2		12
36 #define SIGPIPE		13
37 #define SIGALRM		14
38 #define SIGTERM		15
39 #define SIGSTKFLT	16
40 #define SIGCHLD		17
41 #define SIGCONT		18
42 #define SIGSTOP		19
43 #define SIGTSTP		20
44 #define SIGTTIN		21
45 #define SIGTTOU		22
46 #define SIGURG		23
47 #define SIGXCPU		24
48 #define SIGXFSZ		25
49 #define SIGVTALRM	26
50 #define SIGPROF		27
51 #define SIGWINCH	28
52 #define SIGIO		29
53 #define SIGPOLL		SIGIO
54 /*
55 #define SIGLOST		29
56 */
57 #define SIGPWR		30
58 #define SIGSYS		31
59 #define	SIGUNUSED	31
60 
61 /* These should not be considered constants from userland.  */
62 #define SIGRTMIN	32
63 #define SIGRTMAX	_NSIG
64 
65 #define SA_RESTORER	0x04000000
66 
67 #define MINSIGSTKSZ	2048
68 #define SIGSTKSZ	8192
69 
70 #include <asm-generic/signal-defs.h>
71 
72 #ifndef __ASSEMBLY__
73 
74 
75 # ifndef __KERNEL__
76 /* Here we must cater to libcs that poke about in kernel headers.  */
77 #ifdef __i386__
78 
79 struct sigaction {
80 	union {
81 	  __sighandler_t _sa_handler;
82 	  void (*_sa_sigaction)(int, struct siginfo *, void *);
83 	} _u;
84 	sigset_t sa_mask;
85 	unsigned long sa_flags;
86 	void (*sa_restorer)(void);
87 };
88 
89 #define sa_handler	_u._sa_handler
90 #define sa_sigaction	_u._sa_sigaction
91 
92 #else /* __i386__ */
93 
94 struct sigaction {
95 	__sighandler_t sa_handler;
96 	unsigned long sa_flags;
97 	__sigrestore_t sa_restorer;
98 	sigset_t sa_mask;		/* mask last for extensibility */
99 };
100 
101 #endif /* !__i386__ */
102 # endif /* ! __KERNEL__ */
103 
104 typedef struct sigaltstack {
105 	void __user *ss_sp;
106 	int ss_flags;
107 	__kernel_size_t ss_size;
108 } stack_t;
109 
110 #endif /* __ASSEMBLY__ */
111 
112 #endif /* _UAPI_ASM_X86_SIGNAL_H */
113