linux/arch/x86/include/uapi/asm/signal.h
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   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.  */
  11struct siginfo;
  12
  13#ifndef __KERNEL__
  14/* Here we must cater to libcs that poke about in kernel headers.  */
  15
  16#define NSIG            32
  17typedef 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
  79struct 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
  94struct 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
 104typedef struct sigaltstack {
 105        void __user *ss_sp;
 106        int ss_flags;
 107        size_t ss_size;
 108} stack_t;
 109
 110#endif /* __ASSEMBLY__ */
 111
 112#endif /* _UAPI_ASM_X86_SIGNAL_H */
 113