include/asm-m32r/signal.h

   1 #ifndef _ASM_M32R_SIGNAL_H
   2 #define _ASM_M32R_SIGNAL_H
   3
   4 /* $Id$ */
   5
   6 /* orig : i386 2.4.18 */
   7
   8 #include <linux/types.h>
   9 #include <linux/time.h>
  10 #include <linux/compiler.h>
  11
  12 /* Avoid too many header ordering problems.  */
  13 struct siginfo;
  14
  15 #ifdef __KERNEL__
  16 /* Most things should be clean enough to redefine this at will, if care
  17    is taken to make libc match.  */
  18
  19 #define _NSIG           64
  20 #define _NSIG_BPW       32
  21 #define _NSIG_WORDS     (_NSIG / _NSIG_BPW)
  22
  23 typedef unsigned long old_sigset_t;             /* at least 32 bits */
  24
  25 typedef struct {
  26         unsigned long sig[_NSIG_WORDS];
  27 } sigset_t;
  28
  29 #else
  30 /* Here we must cater to libcs that poke about in kernel headers.  */
  31
  32 #define NSIG            32
  33 typedef unsigned long sigset_t;
  34
  35 #endif /* __KERNEL__ */
  36
  37 #define SIGHUP           1
  38 #define SIGINT           2
  39 #define SIGQUIT          3
  40 #define SIGILL           4
  41 #define SIGTRAP          5
  42 #define SIGABRT          6
  43 #define SIGIOT           6
  44 #define SIGBUS           7
  45 #define SIGFPE           8
  46 #define SIGKILL          9
  47 #define SIGUSR1         10
  48 #define SIGSEGV         11
  49 #define SIGUSR2         12
  50 #define SIGPIPE         13
  51 #define SIGALRM         14
  52 #define SIGTERM         15
  53 #define SIGSTKFLT       16
  54 #define SIGCHLD         17
  55 #define SIGCONT         18
  56 #define SIGSTOP         19
  57 #define SIGTSTP         20
  58 #define SIGTTIN         21
  59 #define SIGTTOU         22
  60 #define SIGURG          23
  61 #define SIGXCPU         24
  62 #define SIGXFSZ         25
  63 #define SIGVTALRM       26
  64 #define SIGPROF         27
  65 #define SIGWINCH        28
  66 #define SIGIO           29
  67 #define SIGPOLL         SIGIO
  68 /*
  69 #define SIGLOST         29
  70 */
  71 #define SIGPWR          30
  72 #define SIGSYS          31
  73 #define SIGUNUSED       31
  74
  75 /* These should not be considered constants from userland.  */
  76 #define SIGRTMIN        32
  77 #define SIGRTMAX        _NSIG
  78
  79 /*
  80  * SA_FLAGS values:
  81  *
  82  * SA_ONSTACK indicates that a registered stack_t will be used.
  83  * SA_RESTART flag to get restarting signals (which were the default long ago)
  84  * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
  85  * SA_RESETHAND clears the handler when the signal is delivered.
  86  * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
  87  * SA_NODEFER prevents the current signal from being masked in the handler.
  88  *
  89  * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
  90  * Unix names RESETHAND and NODEFER respectively.
  91  */
  92 #define SA_NOCLDSTOP    0x00000001u
  93 #define SA_NOCLDWAIT    0x00000002u
  94 #define SA_SIGINFO      0x00000004u
  95 #define SA_ONSTACK      0x08000000u
  96 #define SA_RESTART      0x10000000u
  97 #define SA_NODEFER      0x40000000u
  98 #define SA_RESETHAND    0x80000000u
  99
 100 #define SA_NOMASK       SA_NODEFER
 101 #define SA_ONESHOT      SA_RESETHAND
 102
 103 #define SA_RESTORER     0x04000000
 104
 105 /*
 106  * sigaltstack controls
 107  */
 108 #define SS_ONSTACK      1
 109 #define SS_DISABLE      2
 110
 111 #define MINSIGSTKSZ     2048
 112 #define SIGSTKSZ        8192
 113
 114 #include <asm-generic/signal.h>
 115
 116 #ifdef __KERNEL__
 117 struct old_sigaction {
 118         __sighandler_t sa_handler;
 119         old_sigset_t sa_mask;
 120         unsigned long sa_flags;
 121         __sigrestore_t sa_restorer;
 122 };
 123
 124 struct sigaction {
 125         __sighandler_t sa_handler;
 126         unsigned long sa_flags;
 127         __sigrestore_t sa_restorer;
 128         sigset_t sa_mask;               /* mask last for extensibility */
 129 };
 130
 131 struct k_sigaction {
 132         struct sigaction sa;
 133 };
 134 #else
 135 /* Here we must cater to libcs that poke about in kernel headers.  */
 136
 137 struct sigaction {
 138         union {
 139           __sighandler_t _sa_handler;
 140           void (*_sa_sigaction)(int, struct siginfo *, void *);
 141         } _u;
 142         sigset_t sa_mask;
 143         unsigned long sa_flags;
 144         void (*sa_restorer)(void);
 145 };
 146
 147 #define sa_handler      _u._sa_handler
 148 #define sa_sigaction    _u._sa_sigaction
 149
 150 #endif /* __KERNEL__ */
 151
 152 typedef struct sigaltstack {
 153         void __user *ss_sp;
 154         int ss_flags;
 155         size_t ss_size;
 156 } stack_t;
 157
 158 #ifdef __KERNEL__
 159 #include <asm/sigcontext.h>
 160
 161 #undef __HAVE_ARCH_SIG_BITOPS
 162
 163 struct pt_regs;
 164 extern int FASTCALL(do_signal(struct pt_regs *regs, sigset_t *oldset));
 165
 166 #define ptrace_signal_deliver(regs, cookie)     do { } while (0)
 167
 168 #endif /* __KERNEL__ */
 169
 170 #endif  /* _ASM_M32R_SIGNAL_H */