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.  */
 105 struct 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  */
 113 typedef char __user *__sighandler_t;
 114 #else
 115 typedef void __signalfn_t(int);
 116 typedef __signalfn_t __user *__sighandler_t;
 117 #endif
 118
 119 typedef 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
 130 typedef unsigned long old_sigset_t;             /* at least 32 bits */
 131
 132 typedef struct {
 133         /* next_signal() assumes this is a long - no choice */
 134         unsigned long sig[_NSIG_WORDS];
 135 } sigset_t;
 136
 137 struct sigaction {
 138         __sighandler_t sa_handler;
 139         unsigned long sa_flags;
 140         sigset_t sa_mask;               /* mask last for extensibility */
 141 };
 142
 143 struct 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 */