arch/m32r/include/asm/signal.h

   1 #ifndef _ASM_M32R_SIGNAL_H
   2 #define _ASM_M32R_SIGNAL_H
   3
   4 #include <linux/types.h>
   5 #include <linux/time.h>
   6 #include <linux/compiler.h>
   7
   8 /* Avoid too many header ordering problems.  */
   9 struct siginfo;
  10
  11 #ifdef __KERNEL__
  12 /* Most things should be clean enough to redefine this at will, if care
  13    is taken to make libc match.  */
  14
  15 #define _NSIG           64
  16 #define _NSIG_BPW       32
  17 #define _NSIG_WORDS     (_NSIG / _NSIG_BPW)
  18
  19 typedef unsigned long old_sigset_t;             /* at least 32 bits */
  20
  21 typedef struct {
  22         unsigned long sig[_NSIG_WORDS];
  23 } sigset_t;
  24
  25 #else
  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 #define SIGHUP           1
  34 #define SIGINT           2
  35 #define SIGQUIT          3
  36 #define SIGILL           4
  37 #define SIGTRAP          5
  38 #define SIGABRT          6
  39 #define SIGIOT           6
  40 #define SIGBUS           7
  41 #define SIGFPE           8
  42 #define SIGKILL          9
  43 #define SIGUSR1         10
  44 #define SIGSEGV         11
  45 #define SIGUSR2         12
  46 #define SIGPIPE         13
  47 #define SIGALRM         14
  48 #define SIGTERM         15
  49 #define SIGSTKFLT       16
  50 #define SIGCHLD         17
  51 #define SIGCONT         18
  52 #define SIGSTOP         19
  53 #define SIGTSTP         20
  54 #define SIGTTIN         21
  55 #define SIGTTOU         22
  56 #define SIGURG          23
  57 #define SIGXCPU         24
  58 #define SIGXFSZ         25
  59 #define SIGVTALRM       26
  60 #define SIGPROF         27
  61 #define SIGWINCH        28
  62 #define SIGIO           29
  63 #define SIGPOLL         SIGIO
  64 /*
  65 #define SIGLOST         29
  66 */
  67 #define SIGPWR          30
  68 #define SIGSYS          31
  69 #define SIGUNUSED       31
  70
  71 /* These should not be considered constants from userland.  */
  72 #define SIGRTMIN        32
  73 #define SIGRTMAX        _NSIG
  74
  75 /*
  76  * SA_FLAGS values:
  77  *
  78  * SA_ONSTACK indicates that a registered stack_t will be used.
  79  * SA_RESTART flag to get restarting signals (which were the default long ago)
  80  * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
  81  * SA_RESETHAND clears the handler when the signal is delivered.
  82  * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
  83  * SA_NODEFER prevents the current signal from being masked in the handler.
  84  *
  85  * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
  86  * Unix names RESETHAND and NODEFER respectively.
  87  */
  88 #define SA_NOCLDSTOP    0x00000001u
  89 #define SA_NOCLDWAIT    0x00000002u
  90 #define SA_SIGINFO      0x00000004u
  91 #define SA_ONSTACK      0x08000000u
  92 #define SA_RESTART      0x10000000u
  93 #define SA_NODEFER      0x40000000u
  94 #define SA_RESETHAND    0x80000000u
  95
  96 #define SA_NOMASK       SA_NODEFER
  97 #define SA_ONESHOT      SA_RESETHAND
  98
  99 #define SA_RESTORER     0x04000000
 100
 101 /*
 102  * sigaltstack controls
 103  */
 104 #define SS_ONSTACK      1
 105 #define SS_DISABLE      2
 106
 107 #define MINSIGSTKSZ     2048
 108 #define SIGSTKSZ        8192
 109
 110 #include <asm-generic/signal-defs.h>
 111
 112 #ifdef __KERNEL__
 113 struct old_sigaction {
 114         __sighandler_t sa_handler;
 115         old_sigset_t sa_mask;
 116         unsigned long sa_flags;
 117         __sigrestore_t sa_restorer;
 118 };
 119
 120 struct sigaction {
 121         __sighandler_t sa_handler;
 122         unsigned long sa_flags;
 123         __sigrestore_t sa_restorer;
 124         sigset_t sa_mask;               /* mask last for extensibility */
 125 };
 126
 127 struct k_sigaction {
 128         struct sigaction sa;
 129 };
 130 #else
 131 /* Here we must cater to libcs that poke about in kernel headers.  */
 132
 133 struct sigaction {
 134         union {
 135           __sighandler_t _sa_handler;
 136           void (*_sa_sigaction)(int, struct siginfo *, void *);
 137         } _u;
 138         sigset_t sa_mask;
 139         unsigned long sa_flags;
 140         void (*sa_restorer)(void);
 141 };
 142
 143 #define sa_handler      _u._sa_handler
 144 #define sa_sigaction    _u._sa_sigaction
 145
 146 #endif /* __KERNEL__ */
 147
 148 typedef struct sigaltstack {
 149         void __user *ss_sp;
 150         int ss_flags;
 151         size_t ss_size;
 152 } stack_t;
 153
 154 #ifdef __KERNEL__
 155 #include <asm/sigcontext.h>
 156
 157 #undef __HAVE_ARCH_SIG_BITOPS
 158
 159 struct pt_regs;
 160 extern int do_signal(struct pt_regs *regs, sigset_t *oldset);
 161
 162 #define ptrace_signal_deliver(regs, cookie)     do { } while (0)
 163
 164 #endif /* __KERNEL__ */
 165
 166 #endif  /* _ASM_M32R_SIGNAL_H */