include/asm-v850/signal.h

   1 #ifndef __V850_SIGNAL_H__
   2 #define __V850_SIGNAL_H__
   3
   4 #include <linux/types.h>
   5
   6 /* Avoid too many header ordering problems.  */
   7 struct siginfo;
   8
   9
  10 #ifdef __KERNEL__
  11
  12 /* Most things should be clean enough to redefine this at will, if care
  13    is taken to make libc match.  */
  14 #define _NSIG           64
  15 #define _NSIG_BPW       32
  16 #define _NSIG_WORDS     (_NSIG / _NSIG_BPW)
  17
  18 typedef unsigned long old_sigset_t;             /* at least 32 bits */
  19
  20 typedef struct {
  21         unsigned long sig[_NSIG_WORDS];
  22 } sigset_t;
  23
  24 #else /* !__KERNEL__ */
  25
  26 /* Here we must cater to libcs that poke about in kernel headers.  */
  27
  28 #define NSIG            32
  29 typedef unsigned long sigset_t;
  30
  31 #endif /* __KERNEL__ */
  32
  33
  34 #define SIGHUP           1
  35 #define SIGINT           2
  36 #define SIGQUIT          3
  37 #define SIGILL           4
  38 #define SIGTRAP          5
  39 #define SIGABRT          6
  40 #define SIGIOT           6
  41 #define SIGBUS           7
  42 #define SIGFPE           8
  43 #define SIGKILL          9
  44 #define SIGUSR1         10
  45 #define SIGSEGV         11
  46 #define SIGUSR2         12
  47 #define SIGPIPE         13
  48 #define SIGALRM         14
  49 #define SIGTERM         15
  50 #define SIGSTKFLT       16
  51 #define SIGCHLD         17
  52 #define SIGCONT         18
  53 #define SIGSTOP         19
  54 #define SIGTSTP         20
  55 #define SIGTTIN         21
  56 #define SIGTTOU         22
  57 #define SIGURG          23
  58 #define SIGXCPU         24
  59 #define SIGXFSZ         25
  60 #define SIGVTALRM       26
  61 #define SIGPROF         27
  62 #define SIGWINCH        28
  63 #define SIGIO           29
  64 #define SIGPOLL         SIGIO
  65 /*
  66 #define SIGLOST         29
  67 */
  68 #define SIGPWR          30
  69 #define SIGSYS          31
  70 #define SIGUNUSED       31
  71
  72 /* These should not be considered constants from userland.  */
  73 #define SIGRTMIN        32
  74 #define SIGRTMAX        _NSIG
  75
  76 /*
  77  * SA_FLAGS values:
  78  *
  79  * SA_ONSTACK indicates that a registered stack_t will be used.
  80  * SA_INTERRUPT is a no-op, but left due to historical reasons. Use the
  81  * SA_RESTART flag to get restarting signals (which were the default long ago)
  82  * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
  83  * SA_RESETHAND clears the handler when the signal is delivered.
  84  * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
  85  * SA_NODEFER prevents the current signal from being masked in the handler.
  86  *
  87  * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
  88  * Unix names RESETHAND and NODEFER respectively.
  89  */
  90 #define SA_NOCLDSTOP    0x00000001
  91 #define SA_NOCLDWAIT    0x00000002
  92 #define SA_SIGINFO      0x00000004
  93 #define SA_ONSTACK      0x08000000
  94 #define SA_RESTART      0x10000000
  95 #define SA_NODEFER      0x40000000
  96 #define SA_RESETHAND    0x80000000
  97
  98 #define SA_NOMASK       SA_NODEFER
  99 #define SA_ONESHOT      SA_RESETHAND
 100 #define SA_INTERRUPT    0x20000000 /* dummy -- ignored */
 101
 102 #define SA_RESTORER     0x04000000
 103
 104 /*
 105  * sigaltstack controls
 106  */
 107 #define SS_ONSTACK      1
 108 #define SS_DISABLE      2
 109
 110 #define MINSIGSTKSZ     2048
 111 #define SIGSTKSZ        8192
 112
 113
 114 #ifdef __KERNEL__
 115 /*
 116  * These values of sa_flags are used only by the kernel as part of the
 117  * irq handling routines.
 118  *
 119  * SA_INTERRUPT is also used by the irq handling routines.
 120  * SA_SHIRQ is for shared interrupt support on PCI and EISA.
 121  */
 122 #define SA_PROBE                SA_ONESHOT
 123 #define SA_SAMPLE_RANDOM        SA_RESTART
 124 #define SA_SHIRQ                0x04000000
 125 #endif /* __KERNEL__ */
 126
 127
 128 #define SIG_BLOCK          0    /* for blocking signals */
 129 #define SIG_UNBLOCK        1    /* for unblocking signals */
 130 #define SIG_SETMASK        2    /* for setting the signal mask */
 131
 132 /* Type of a signal handler.  */
 133 typedef void (*__sighandler_t)(int);
 134
 135 #define SIG_DFL ((__sighandler_t)0)     /* default signal handling */
 136 #define SIG_IGN ((__sighandler_t)1)     /* ignore signal */
 137 #define SIG_ERR ((__sighandler_t)-1)    /* error return from signal */
 138
 139
 140 #ifdef __KERNEL__
 141
 142 struct old_sigaction {
 143         __sighandler_t sa_handler;
 144         old_sigset_t sa_mask;
 145         unsigned long sa_flags;
 146         void (*sa_restorer)(void);
 147 };
 148
 149 struct sigaction {
 150         __sighandler_t sa_handler;
 151         unsigned long sa_flags;
 152         void (*sa_restorer)(void);
 153         sigset_t sa_mask;               /* mask last for extensibility */
 154 };
 155
 156 struct k_sigaction {
 157         struct sigaction sa;
 158 };
 159
 160 #else /* !__KERNEL__ */
 161
 162 /* Here we must cater to libcs that poke about in kernel headers.  */
 163
 164 struct sigaction {
 165         union {
 166           __sighandler_t _sa_handler;
 167           void (*_sa_sigaction)(int, struct siginfo *, void *);
 168         } _u;
 169         sigset_t sa_mask;
 170         unsigned long sa_flags;
 171         void (*sa_restorer)(void);
 172 };
 173
 174 #define sa_handler      _u._sa_handler
 175 #define sa_sigaction    _u._sa_sigaction
 176
 177 #endif /* __KERNEL__ */
 178
 179
 180 typedef struct sigaltstack {
 181         void *ss_sp;
 182         int ss_flags;
 183         size_t ss_size;
 184 } stack_t;
 185
 186 #ifdef __KERNEL__
 187
 188 #include <asm/sigcontext.h>
 189 #undef __HAVE_ARCH_SIG_BITOPS
 190
 191 #define ptrace_signal_deliver(regs, cookie) do { } while (0)
 192
 193 #endif /* __KERNEL__ */
 194
 195 #endif /* __V850_SIGNAL_H__ */