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.  */
   7 struct siginfo;
   8
   9 #ifndef __KERNEL__
  10 /* Here we must cater to libcs that poke about in kernel headers.  */
  11
  12 #define NSIG            32
  13 typedef 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 /*
  88  * sigaltstack controls
  89  */
  90 #define SS_ONSTACK      1
  91 #define SS_DISABLE      2
  92
  93 #define MINSIGSTKSZ     4096
  94 #define SIGSTKSZ        16384
  95
  96 #define SIG_BLOCK          1    /* for blocking signals */
  97 #define SIG_UNBLOCK        2    /* for unblocking signals */
  98 #define SIG_SETMASK        3    /* for setting the signal mask */
  99
 100 #include <asm-generic/signal-defs.h>
 101
 102 #ifndef __KERNEL__
 103 /* Here we must cater to libcs that poke about in kernel headers.  */
 104
 105 struct sigaction {
 106         union {
 107           __sighandler_t        _sa_handler;
 108           void (*_sa_sigaction)(int, struct siginfo *, void *);
 109         } _u;
 110         sigset_t        sa_mask;
 111         int             sa_flags;
 112 };
 113
 114 #define sa_handler      _u._sa_handler
 115 #define sa_sigaction    _u._sa_sigaction
 116
 117 #endif /* __KERNEL__ */
 118
 119 typedef struct sigaltstack {
 120         void __user *ss_sp;
 121         int ss_flags;
 122         size_t ss_size;
 123 } stack_t;
 124
 125 /* sigstack(2) is deprecated, and will be withdrawn in a future version
 126    of the X/Open CAE Specification.  Use sigaltstack instead.  It is only
 127    implemented here for OSF/1 compatibility.  */
 128
 129 struct sigstack {
 130         void __user *ss_sp;
 131         int ss_onstack;
 132 };
 133
 134
 135 #endif /* _UAPI_ASMAXP_SIGNAL_H */