LXR linux/arch/x86/include/uapi/asm/signal.h

   1#ifndef _UAPI_ASM_X86_SIGNAL_H
   2#define _UAPI_ASM_X86_SIGNAL_H
   3
   4#ifndef __ASSEMBLY__
   5#include <linux/types.h>
   6#include <linux/time.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 /* __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/*
  65 * SA_FLAGS values:
  66 *
  67 * SA_ONSTACK indicates that a registered stack_t will be used.
  68 * SA_RESTART flag to get restarting signals (which were the default long ago)
  69 * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
  70 * SA_RESETHAND clears the handler when the signal is delivered.
  71 * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
  72 * SA_NODEFER prevents the current signal from being masked in the handler.
  73 *
  74 * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
  75 * Unix names RESETHAND and NODEFER respectively.
  76 */
  77#define SA_NOCLDSTOP    0x00000001u
  78#define SA_NOCLDWAIT    0x00000002u
  79#define SA_SIGINFO      0x00000004u
  80#define SA_ONSTACK      0x08000000u
  81#define SA_RESTART      0x10000000u
  82#define SA_NODEFER      0x40000000u
  83#define SA_RESETHAND    0x80000000u
  84
  85#define SA_NOMASK       SA_NODEFER
  86#define SA_ONESHOT      SA_RESETHAND
  87
  88#define SA_RESTORER     0x04000000
  89
  90#define MINSIGSTKSZ     2048
  91#define SIGSTKSZ        8192
  92
  93#include <asm-generic/signal-defs.h>
  94
  95#ifndef __ASSEMBLY__
  96
  97
  98# ifndef __KERNEL__
  99/* Here we must cater to libcs that poke about in kernel headers.  */
 100#ifdef __i386__
 101
 102struct sigaction {
 103        union {
 104          __sighandler_t _sa_handler;
 105          void (*_sa_sigaction)(int, struct siginfo *, void *);
 106        } _u;
 107        sigset_t sa_mask;
 108        unsigned long sa_flags;
 109        void (*sa_restorer)(void);
 110};
 111
 112#define sa_handler      _u._sa_handler
 113#define sa_sigaction    _u._sa_sigaction
 114
 115#else /* __i386__ */
 116
 117struct sigaction {
 118        __sighandler_t sa_handler;
 119        unsigned long sa_flags;
 120        __sigrestore_t sa_restorer;
 121        sigset_t sa_mask;               /* mask last for extensibility */
 122};
 123
 124#endif /* !__i386__ */
 125# endif /* ! __KERNEL__ */
 126
 127typedef struct sigaltstack {
 128        void __user *ss_sp;
 129        int ss_flags;
 130        size_t ss_size;
 131} stack_t;
 132
 133#endif /* __ASSEMBLY__ */
 134
 135#endif /* _UAPI_ASM_X86_SIGNAL_H */
 136