signal.h

  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 __ASSEMBLER__
  6#include <linux/types.h>
  7#include <linux/compiler.h>
  8
  9/* Avoid too many header ordering problems.  */
 10struct siginfo;
 11
 12#ifndef __KERNEL__
 13/* Here we must cater to libcs that poke about in kernel headers.  */
 14
 15#define NSIG		32
 16typedef unsigned long sigset_t;
 17
 18#endif /* __KERNEL__ */
 19#endif /* __ASSEMBLER__ */
 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 __ASSEMBLER__
 72
 73
 74# ifndef __KERNEL__
 75/* Here we must cater to libcs that poke about in kernel headers.  */
 76#ifdef __i386__
 77
 78struct 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
 93struct 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
103typedef struct sigaltstack {
104	void __user *ss_sp;
105	int ss_flags;
106	__kernel_size_t ss_size;
107} stack_t;
108
109#endif /* __ASSEMBLER__ */
110
111#endif /* _UAPI_ASM_X86_SIGNAL_H */