/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */

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#ifndef _ASM_X86_SIGNAL_H

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#define _ASM_X86_SIGNAL_H

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#ifndef __ASSEMBLY__

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#include <linux/types.h>

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#include <linux/time.h>

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/* Avoid too many header ordering problems. */

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struct siginfo;

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/* Here we must cater to libcs that poke about in kernel headers. */

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#define NSIG 32

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typedef unsigned long sigset_t;

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#endif /* __ASSEMBLY__ */

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#define SIGHUP 1

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#define SIGINT 2

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#define SIGQUIT 3

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#define SIGILL 4

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#define SIGTRAP 5

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#define SIGABRT 6

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#define SIGIOT 6

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#define SIGBUS 7

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#define SIGFPE 8

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#define SIGKILL 9

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#define SIGUSR1 10

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#define SIGSEGV 11

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#define SIGUSR2 12

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#define SIGPIPE 13

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#define SIGALRM 14

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#define SIGTERM 15

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#define SIGSTKFLT 16

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#define SIGCHLD 17

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#define SIGCONT 18

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#define SIGSTOP 19

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#define SIGTSTP 20

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#define SIGTTIN 21

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#define SIGTTOU 22

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#define SIGURG 23

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#define SIGXCPU 24

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#define SIGXFSZ 25

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#define SIGVTALRM 26

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#define SIGPROF 27

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#define SIGWINCH 28

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#define SIGIO 29

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#define SIGPOLL SIGIO

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/*

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#define SIGLOST 29

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*/

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#define SIGPWR 30

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#define SIGSYS 31

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#define SIGUNUSED 31

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/* These should not be considered constants from userland. */

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#define SIGRTMIN 32

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#define SIGRTMAX _NSIG

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/*

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* SA_FLAGS values:

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*

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* SA_ONSTACK indicates that a registered stack_t will be used.

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* SA_RESTART flag to get restarting signals (which were the default long ago)

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* SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.

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* SA_RESETHAND clears the handler when the signal is delivered.

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* SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.

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* SA_NODEFER prevents the current signal from being masked in the handler.

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*

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* SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single

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* Unix names RESETHAND and NODEFER respectively.

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*/

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#define SA_NOCLDSTOP 0x00000001u

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#define SA_NOCLDWAIT 0x00000002u

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#define SA_SIGINFO 0x00000004u

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#define SA_ONSTACK 0x08000000u

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#define SA_RESTART 0x10000000u

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#define SA_NODEFER 0x40000000u

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#define SA_RESETHAND 0x80000000u

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#define SA_NOMASK SA_NODEFER

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#define SA_ONESHOT SA_RESETHAND

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#define SA_RESTORER 0x04000000

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#define MINSIGSTKSZ 2048

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#define SIGSTKSZ 8192

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#include <asm-generic/signal-defs.h>

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#ifndef __ASSEMBLY__

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/* Here we must cater to libcs that poke about in kernel headers. */

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#ifdef __i386__

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struct sigaction {

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union {

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__sighandler_t _sa_handler;

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void (*_sa_sigaction)(int, struct siginfo *, void *);

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} _u;

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sigset_t sa_mask;

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unsigned long sa_flags;

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void (*sa_restorer)(void);

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};

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#define sa_handler _u._sa_handler

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#define sa_sigaction _u._sa_sigaction

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#else /* __i386__ */

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struct sigaction {

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__sighandler_t sa_handler;

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unsigned long sa_flags;

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__sigrestore_t sa_restorer;

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sigset_t sa_mask; /* mask last for extensibility */

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};

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#endif /* !__i386__ */

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typedef struct sigaltstack {

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void *ss_sp;

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int ss_flags;

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size_t ss_size;

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} stack_t;

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#endif /* __ASSEMBLY__ */

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#endif /* _ASM_X86_SIGNAL_H */

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