LXR linux/include/uapi/asm-generic/signal.h

   1#ifndef _UAPI__ASM_GENERIC_SIGNAL_H
   2#define _UAPI__ASM_GENERIC_SIGNAL_H
   3
   4#include <linux/types.h>
   5
   6#define _NSIG           64
   7#define _NSIG_BPW       __BITS_PER_LONG
   8#define _NSIG_WORDS     (_NSIG / _NSIG_BPW)
   9
  10#define SIGHUP           1
  11#define SIGINT           2
  12#define SIGQUIT          3
  13#define SIGILL           4
  14#define SIGTRAP          5
  15#define SIGABRT          6
  16#define SIGIOT           6
  17#define SIGBUS           7
  18#define SIGFPE           8
  19#define SIGKILL          9
  20#define SIGUSR1         10
  21#define SIGSEGV         11
  22#define SIGUSR2         12
  23#define SIGPIPE         13
  24#define SIGALRM         14
  25#define SIGTERM         15
  26#define SIGSTKFLT       16
  27#define SIGCHLD         17
  28#define SIGCONT         18
  29#define SIGSTOP         19
  30#define SIGTSTP         20
  31#define SIGTTIN         21
  32#define SIGTTOU         22
  33#define SIGURG          23
  34#define SIGXCPU         24
  35#define SIGXFSZ         25
  36#define SIGVTALRM       26
  37#define SIGPROF         27
  38#define SIGWINCH        28
  39#define SIGIO           29
  40#define SIGPOLL         SIGIO
  41/*
  42#define SIGLOST         29
  43*/
  44#define SIGPWR          30
  45#define SIGSYS          31
  46#define SIGUNUSED       31
  47
  48/* These should not be considered constants from userland.  */
  49#define SIGRTMIN        32
  50#ifndef SIGRTMAX
  51#define SIGRTMAX        _NSIG
  52#endif
  53
  54/*
  55 * SA_FLAGS values:
  56 *
  57 * SA_ONSTACK indicates that a registered stack_t will be used.
  58 * SA_RESTART flag to get restarting signals (which were the default long ago)
  59 * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
  60 * SA_RESETHAND clears the handler when the signal is delivered.
  61 * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
  62 * SA_NODEFER prevents the current signal from being masked in the handler.
  63 *
  64 * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
  65 * Unix names RESETHAND and NODEFER respectively.
  66 */
  67#define SA_NOCLDSTOP    0x00000001
  68#define SA_NOCLDWAIT    0x00000002
  69#define SA_SIGINFO      0x00000004
  70#define SA_ONSTACK      0x08000000
  71#define SA_RESTART      0x10000000
  72#define SA_NODEFER      0x40000000
  73#define SA_RESETHAND    0x80000000
  74
  75#define SA_NOMASK       SA_NODEFER
  76#define SA_ONESHOT      SA_RESETHAND
  77
  78/*
  79 * New architectures should not define the obsolete
  80 *      SA_RESTORER     0x04000000
  81 */
  82
  83#if !defined MINSIGSTKSZ || !defined SIGSTKSZ
  84#define MINSIGSTKSZ     2048
  85#define SIGSTKSZ        8192
  86#endif
  87
  88#ifndef __ASSEMBLY__
  89typedef struct {
  90        unsigned long sig[_NSIG_WORDS];
  91} sigset_t;
  92
  93/* not actually used, but required for linux/syscalls.h */
  94typedef unsigned long old_sigset_t;
  95
  96#include <asm-generic/signal-defs.h>
  97
  98#ifdef SA_RESTORER
  99#define __ARCH_HAS_SA_RESTORER
 100#endif
 101
 102#ifndef __KERNEL__
 103struct sigaction {
 104        __sighandler_t sa_handler;
 105        unsigned long sa_flags;
 106#ifdef SA_RESTORER
 107        __sigrestore_t sa_restorer;
 108#endif
 109        sigset_t sa_mask;               /* mask last for extensibility */
 110};
 111#endif
 112
 113typedef struct sigaltstack {
 114        void __user *ss_sp;
 115        int ss_flags;
 116        size_t ss_size;
 117} stack_t;
 118
 119#endif /* __ASSEMBLY__ */
 120
 121#endif /* _UAPI__ASM_GENERIC_SIGNAL_H */
 122