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

   1#ifndef _UAPI_ASMAXP_SIGNAL_H
   2#define _UAPI_ASMAXP_SIGNAL_H
   3
   4#include <linux/types.h>
   5
   6/* Avoid too many header ordering problems.  */
   7struct siginfo;
   8
   9#ifndef __KERNEL__
  10/* Here we must cater to libcs that poke about in kernel headers.  */
  11
  12#define NSIG            32
  13typedef unsigned long sigset_t;
  14
  15#endif /* __KERNEL__ */
  16
  17
  18/*
  19 * Linux/AXP has different signal numbers that Linux/i386: I'm trying
  20 * to make it OSF/1 binary compatible, at least for normal binaries.
  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 SIGEMT           7
  29#define SIGFPE           8
  30#define SIGKILL          9
  31#define SIGBUS          10
  32#define SIGSEGV         11
  33#define SIGSYS          12
  34#define SIGPIPE         13
  35#define SIGALRM         14
  36#define SIGTERM         15
  37#define SIGURG          16
  38#define SIGSTOP         17
  39#define SIGTSTP         18
  40#define SIGCONT         19
  41#define SIGCHLD         20
  42#define SIGTTIN         21
  43#define SIGTTOU         22
  44#define SIGIO           23
  45#define SIGXCPU         24
  46#define SIGXFSZ         25
  47#define SIGVTALRM       26
  48#define SIGPROF         27
  49#define SIGWINCH        28
  50#define SIGINFO         29
  51#define SIGUSR1         30
  52#define SIGUSR2         31
  53
  54#define SIGPOLL SIGIO
  55#define SIGPWR  SIGINFO
  56#define SIGIOT  SIGABRT
  57
  58/* These should not be considered constants from userland.  */
  59#define SIGRTMIN        32
  60#define SIGRTMAX        _NSIG
  61
  62/*
  63 * SA_FLAGS values:
  64 *
  65 * SA_ONSTACK indicates that a registered stack_t will be used.
  66 * SA_RESTART flag to get restarting signals (which were the default long ago)
  67 * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
  68 * SA_RESETHAND clears the handler when the signal is delivered.
  69 * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
  70 * SA_NODEFER prevents the current signal from being masked in the handler.
  71 *
  72 * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
  73 * Unix names RESETHAND and NODEFER respectively.
  74 */
  75
  76#define SA_ONSTACK      0x00000001
  77#define SA_RESTART      0x00000002
  78#define SA_NOCLDSTOP    0x00000004
  79#define SA_NODEFER      0x00000008
  80#define SA_RESETHAND    0x00000010
  81#define SA_NOCLDWAIT    0x00000020
  82#define SA_SIGINFO      0x00000040
  83
  84#define SA_ONESHOT      SA_RESETHAND
  85#define SA_NOMASK       SA_NODEFER
  86
  87#define MINSIGSTKSZ     4096
  88#define SIGSTKSZ        16384
  89
  90#define SIG_BLOCK          1    /* for blocking signals */
  91#define SIG_UNBLOCK        2    /* for unblocking signals */
  92#define SIG_SETMASK        3    /* for setting the signal mask */
  93
  94#include <asm-generic/signal-defs.h>
  95
  96#ifndef __KERNEL__
  97/* Here we must cater to libcs that poke about in kernel headers.  */
  98
  99struct sigaction {
 100        union {
 101          __sighandler_t        _sa_handler;
 102          void (*_sa_sigaction)(int, struct siginfo *, void *);
 103        } _u;
 104        sigset_t        sa_mask;
 105        int             sa_flags;
 106};
 107
 108#define sa_handler      _u._sa_handler
 109#define sa_sigaction    _u._sa_sigaction
 110
 111#endif /* __KERNEL__ */
 112
 113typedef struct sigaltstack {
 114        void __user *ss_sp;
 115        int ss_flags;
 116        size_t ss_size;
 117} stack_t;
 118
 119/* sigstack(2) is deprecated, and will be withdrawn in a future version
 120   of the X/Open CAE Specification.  Use sigaltstack instead.  It is only
 121   implemented here for OSF/1 compatibility.  */
 122
 123struct sigstack {
 124        void __user *ss_sp;
 125        int ss_onstack;
 126};
 127
 128
 129#endif /* _UAPI_ASMAXP_SIGNAL_H */
 130