include/asm-parisc/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_INTERRUPT is a no-op, but left due to historical reasons. Use the
  52  * SA_RESTART flag to get restarting signals (which were the default long ago)
  53  * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
  54  * SA_RESETHAND clears the handler when the signal is delivered.
  55  * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
  56  * SA_NODEFER prevents the current signal from being masked in the handler.
  57  *
  58  * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
  59  * Unix names RESETHAND and NODEFER respectively.
  60  */
  61 #define SA_ONSTACK      0x00000001
  62 #define SA_RESETHAND    0x00000004
  63 #define SA_NOCLDSTOP    0x00000008
  64 #define SA_SIGINFO      0x00000010
  65 #define SA_NODEFER      0x00000020
  66 #define SA_RESTART      0x00000040
  67 #define SA_NOCLDWAIT    0x00000080
  68 #define _SA_SIGGFAULT   0x00000100 /* HPUX */
  69
  70 #define SA_NOMASK       SA_NODEFER
  71 #define SA_ONESHOT      SA_RESETHAND
  72 #define SA_INTERRUPT    0x20000000 /* dummy -- ignored */
  73
  74 #define SA_RESTORER     0x04000000 /* obsolete -- ignored */
  75
  76 /*
  77  * sigaltstack controls
  78  */
  79 #define SS_ONSTACK      1
  80 #define SS_DISABLE      2
  81
  82 #define MINSIGSTKSZ     2048
  83 #define SIGSTKSZ        8192
  84
  85 #ifdef __KERNEL__
  86
  87 #define _NSIG           64
  88 /* bits-per-word, where word apparently means 'long' not 'int' */
  89 #define _NSIG_BPW       BITS_PER_LONG
  90 #define _NSIG_WORDS     (_NSIG / _NSIG_BPW)
  91
  92 #endif /* __KERNEL__ */
  93
  94 #define SIG_BLOCK          0    /* for blocking signals */
  95 #define SIG_UNBLOCK        1    /* for unblocking signals */
  96 #define SIG_SETMASK        2    /* for setting the signal mask */
  97
  98 #define SIG_DFL ((__sighandler_t)0)     /* default signal handling */
  99 #define SIG_IGN ((__sighandler_t)1)     /* ignore signal */
 100 #define SIG_ERR ((__sighandler_t)-1)    /* error return from signal */
 101
 102 # ifndef __ASSEMBLY__
 103
 104 #  include <linux/types.h>
 105
 106 /* Avoid too many header ordering problems.  */
 107 struct siginfo;
 108
 109 /* Type of a signal handler.  */
 110 #ifdef __LP64__
 111 /* function pointers on 64-bit parisc are pointers to little structs and the
 112  * compiler doesn't support code which changes or tests the address of
 113  * the function in the little struct.  This is really ugly -PB
 114  */
 115 typedef char __user *__sighandler_t;
 116 #else
 117 typedef void __signalfn_t(int);
 118 typedef __signalfn_t __user *__sighandler_t;
 119 #endif
 120
 121 typedef struct sigaltstack {
 122         void __user *ss_sp;
 123         int ss_flags;
 124         size_t ss_size;
 125 } stack_t;
 126
 127 #ifdef __KERNEL__
 128
 129 /* Most things should be clean enough to redefine this at will, if care
 130    is taken to make libc match.  */
 131
 132 typedef unsigned long old_sigset_t;             /* at least 32 bits */
 133
 134 typedef struct {
 135         /* next_signal() assumes this is a long - no choice */
 136         unsigned long sig[_NSIG_WORDS];
 137 } sigset_t;
 138
 139 struct sigaction {
 140         __sighandler_t sa_handler;
 141         unsigned long sa_flags;
 142         sigset_t sa_mask;               /* mask last for extensibility */
 143 };
 144
 145 struct k_sigaction {
 146         struct sigaction sa;
 147 };
 148
 149 #define ptrace_signal_deliver(regs, cookie) do { } while (0)
 150
 151 #include <asm/sigcontext.h>
 152
 153 #endif /* __KERNEL__ */
 154 #endif /* !__ASSEMBLY */
 155 #endif /* _ASM_PARISC_SIGNAL_H */