xref: /linux/arch/x86/include/uapi/asm/signal.h (revision 021bc4b9)
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/compiler.h>
8 
9 /* Avoid too many header ordering problems.  */
10 struct siginfo;
11 
12 #ifndef __KERNEL__
13 /* Here we must cater to libcs that poke about in kernel headers.  */
14 
15 #define NSIG		32
16 typedef unsigned long sigset_t;
17 
18 #endif /* __KERNEL__ */
19 #endif /* __ASSEMBLY__ */
20 
21 
22 #define SIGHUP		 1
23 #define SIGINT		 2
24 #define SIGQUIT		 3
25 #define SIGILL		 4
26 #define SIGTRAP		 5
27 #define SIGABRT		 6
28 #define SIGIOT		 6
29 #define SIGBUS		 7
30 #define SIGFPE		 8
31 #define SIGKILL		 9
32 #define SIGUSR1		10
33 #define SIGSEGV		11
34 #define SIGUSR2		12
35 #define SIGPIPE		13
36 #define SIGALRM		14
37 #define SIGTERM		15
38 #define SIGSTKFLT	16
39 #define SIGCHLD		17
40 #define SIGCONT		18
41 #define SIGSTOP		19
42 #define SIGTSTP		20
43 #define SIGTTIN		21
44 #define SIGTTOU		22
45 #define SIGURG		23
46 #define SIGXCPU		24
47 #define SIGXFSZ		25
48 #define SIGVTALRM	26
49 #define SIGPROF		27
50 #define SIGWINCH	28
51 #define SIGIO		29
52 #define SIGPOLL		SIGIO
53 /*
54 #define SIGLOST		29
55 */
56 #define SIGPWR		30
57 #define SIGSYS		31
58 #define	SIGUNUSED	31
59 
60 /* These should not be considered constants from userland.  */
61 #define SIGRTMIN	32
62 #define SIGRTMAX	_NSIG
63 
64 #define SA_RESTORER	0x04000000
65 
66 #define MINSIGSTKSZ	2048
67 #define SIGSTKSZ	8192
68 
69 #include <asm-generic/signal-defs.h>
70 
71 #ifndef __ASSEMBLY__
72 
73 
74 # ifndef __KERNEL__
75 /* Here we must cater to libcs that poke about in kernel headers.  */
76 #ifdef __i386__
77 
78 struct sigaction {
79 	union {
80 	  __sighandler_t _sa_handler;
81 	  void (*_sa_sigaction)(int, struct siginfo *, void *);
82 	} _u;
83 	sigset_t sa_mask;
84 	unsigned long sa_flags;
85 	void (*sa_restorer)(void);
86 };
87 
88 #define sa_handler	_u._sa_handler
89 #define sa_sigaction	_u._sa_sigaction
90 
91 #else /* __i386__ */
92 
93 struct sigaction {
94 	__sighandler_t sa_handler;
95 	unsigned long sa_flags;
96 	__sigrestore_t sa_restorer;
97 	sigset_t sa_mask;		/* mask last for extensibility */
98 };
99 
100 #endif /* !__i386__ */
101 # endif /* ! __KERNEL__ */
102 
103 typedef struct sigaltstack {
104 	void __user *ss_sp;
105 	int ss_flags;
106 	__kernel_size_t ss_size;
107 } stack_t;
108 
109 #endif /* __ASSEMBLY__ */
110 
111 #endif /* _UAPI_ASM_X86_SIGNAL_H */
112