LXR linux/arch/parisc/include/asm/signal.h

   1#ifndef _ASM_PARISC_SIGNAL_H
   2#define _ASM_PARISC_SIGNAL_H
   3
   4#define SIGHUP           1
   5#define SIGINT           2
   6#define SIGQUIT          3
   7#define SIGILL           4
   8#define SIGTRAP          5
   9#define SIGABRT          6
  10#define SIGIOT           6
  11#define SIGEMT           7
  12#define SIGFPE           8
  13#define SIGKILL          9
  14#define SIGBUS          10
  15#define SIGSEGV         11
  16#define SIGSYS          12 /* Linux doesn't use this */
  17#define SIGPIPE         13
  18#define SIGALRM         14
  19#define SIGTERM         15
  20#define SIGUSR1         16
  21#define SIGUSR2         17
  22#define SIGCHLD         18
  23#define SIGPWR          19
  24#define SIGVTALRM       20
  25#define SIGPROF         21
  26#define SIGIO           22
  27#define SIGPOLL         SIGIO
  28#define SIGWINCH        23
  29#define SIGSTOP         24
  30#define SIGTSTP         25
  31#define SIGCONT         26
  32#define SIGTTIN         27
  33#define SIGTTOU         28
  34#define SIGURG          29
  35#define SIGLOST         30 /* Linux doesn't use this either */
  36#define SIGUNUSED       31
  37#define SIGRESERVE      SIGUNUSED
  38
  39#define SIGXCPU         33
  40#define SIGXFSZ         34
  41#define SIGSTKFLT       36
  42
  43/* These should not be considered constants from userland.  */
  44#define SIGRTMIN        37
  45#define SIGRTMAX        _NSIG /* it's 44 under HP/UX */
  46
  47/*
  48 * SA_FLAGS values:
  49 *
  50 * SA_ONSTACK indicates that a registered stack_t will be used.
  51 * SA_RESTART flag to get restarting signals (which were the default long ago)
  52 * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
  53 * SA_RESETHAND clears the handler when the signal is delivered.
  54 * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
  55 * SA_NODEFER prevents the current signal from being masked in the handler.
  56 *
  57 * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
  58 * Unix names RESETHAND and NODEFER respectively.
  59 */
  60#define SA_ONSTACK      0x00000001
  61#define SA_RESETHAND    0x00000004
  62#define SA_NOCLDSTOP    0x00000008
  63#define SA_SIGINFO      0x00000010
  64#define SA_NODEFER      0x00000020
  65#define SA_RESTART      0x00000040
  66#define SA_NOCLDWAIT    0x00000080
  67#define _SA_SIGGFAULT   0x00000100 /* HPUX */
  68
  69#define SA_NOMASK       SA_NODEFER
  70#define SA_ONESHOT      SA_RESETHAND
  71
  72#define SA_RESTORER     0x04000000 /* obsolete -- ignored */
  73
  74/* 
  75 * sigaltstack controls
  76 */
  77#define SS_ONSTACK      1
  78#define SS_DISABLE      2
  79
  80#define MINSIGSTKSZ     2048
  81#define SIGSTKSZ        8192
  82
  83#ifdef __KERNEL__
  84
  85#define _NSIG           64
  86/* bits-per-word, where word apparently means 'long' not 'int' */
  87#define _NSIG_BPW       BITS_PER_LONG
  88#define _NSIG_WORDS     (_NSIG / _NSIG_BPW)
  89
  90#endif /* __KERNEL__ */
  91
  92#define SIG_BLOCK          0    /* for blocking signals */
  93#define SIG_UNBLOCK        1    /* for unblocking signals */
  94#define SIG_SETMASK        2    /* for setting the signal mask */
  95
  96#define SIG_DFL ((__sighandler_t)0)     /* default signal handling */
  97#define SIG_IGN ((__sighandler_t)1)     /* ignore signal */
  98#define SIG_ERR ((__sighandler_t)-1)    /* error return from signal */
  99
 100# ifndef __ASSEMBLY__
 101
 102#  include <linux/types.h>
 103
 104/* Avoid too many header ordering problems.  */
 105struct siginfo;
 106
 107/* Type of a signal handler.  */
 108#ifdef CONFIG_64BIT
 109/* function pointers on 64-bit parisc are pointers to little structs and the
 110 * compiler doesn't support code which changes or tests the address of
 111 * the function in the little struct.  This is really ugly -PB
 112 */
 113typedef char __user *__sighandler_t;
 114#else
 115typedef void __signalfn_t(int);
 116typedef __signalfn_t __user *__sighandler_t;
 117#endif
 118
 119typedef struct sigaltstack {
 120        void __user *ss_sp;
 121        int ss_flags;
 122        size_t ss_size;
 123} stack_t;
 124
 125#ifdef __KERNEL__
 126
 127/* Most things should be clean enough to redefine this at will, if care
 128   is taken to make libc match.  */
 129
 130typedef unsigned long old_sigset_t;             /* at least 32 bits */
 131
 132typedef struct {
 133        /* next_signal() assumes this is a long - no choice */
 134        unsigned long sig[_NSIG_WORDS];
 135} sigset_t;
 136
 137struct sigaction {
 138        __sighandler_t sa_handler;
 139        unsigned long sa_flags;
 140        sigset_t sa_mask;               /* mask last for extensibility */
 141};
 142
 143struct k_sigaction {
 144        struct sigaction sa;
 145};
 146
 147#define ptrace_signal_deliver(regs, cookie) do { } while (0)
 148
 149#include <asm/sigcontext.h>
 150
 151#endif /* __KERNEL__ */
 152#endif /* !__ASSEMBLY */
 153#endif /* _ASM_PARISC_SIGNAL_H */
 154