include/asm-sh64/signal.h

   1 #ifndef __ASM_SH64_SIGNAL_H
   2 #define __ASM_SH64_SIGNAL_H
   3
   4 /*
   5  * This file is subject to the terms and conditions of the GNU General Public
   6  * License.  See the file "COPYING" in the main directory of this archive
   7  * for more details.
   8  *
   9  * include/asm-sh64/signal.h
  10  *
  11  * Copyright (C) 2000, 2001  Paolo Alberelli
  12  *
  13  */
  14
  15 #include <linux/types.h>
  16
  17 /* Avoid too many header ordering problems.  */
  18 struct siginfo;
  19
  20 #define _NSIG           64
  21 #define _NSIG_BPW       32
  22 #define _NSIG_WORDS     (_NSIG / _NSIG_BPW)
  23
  24 typedef unsigned long old_sigset_t;             /* at least 32 bits */
  25
  26 typedef struct {
  27         unsigned long sig[_NSIG_WORDS];
  28 } sigset_t;
  29
  30 #define SIGHUP           1
  31 #define SIGINT           2
  32 #define SIGQUIT          3
  33 #define SIGILL           4
  34 #define SIGTRAP          5
  35 #define SIGABRT          6
  36 #define SIGIOT           6
  37 #define SIGBUS           7
  38 #define SIGFPE           8
  39 #define SIGKILL          9
  40 #define SIGUSR1         10
  41 #define SIGSEGV         11
  42 #define SIGUSR2         12
  43 #define SIGPIPE         13
  44 #define SIGALRM         14
  45 #define SIGTERM         15
  46 #define SIGSTKFLT       16
  47 #define SIGCHLD         17
  48 #define SIGCONT         18
  49 #define SIGSTOP         19
  50 #define SIGTSTP         20
  51 #define SIGTTIN         21
  52 #define SIGTTOU         22
  53 #define SIGURG          23
  54 #define SIGXCPU         24
  55 #define SIGXFSZ         25
  56 #define SIGVTALRM       26
  57 #define SIGPROF         27
  58 #define SIGWINCH        28
  59 #define SIGIO           29
  60 #define SIGPOLL         SIGIO
  61 /*
  62 #define SIGLOST         29
  63 */
  64 #define SIGPWR          30
  65 #define SIGSYS          31
  66 #define SIGUNUSED       31
  67
  68 /* These should not be considered constants from userland.  */
  69 #define SIGRTMIN        32
  70 #define SIGRTMAX        (_NSIG-1)
  71
  72 /*
  73  * SA_FLAGS values:
  74  *
  75  * SA_ONSTACK indicates that a registered stack_t will be used.
  76  * SA_RESTART flag to get restarting signals (which were the default long ago)
  77  * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
  78  * SA_RESETHAND clears the handler when the signal is delivered.
  79  * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
  80  * SA_NODEFER prevents the current signal from being masked in the handler.
  81  *
  82  * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
  83  * Unix names RESETHAND and NODEFER respectively.
  84  */
  85 #define SA_NOCLDSTOP    0x00000001
  86 #define SA_NOCLDWAIT    0x00000002 /* not supported yet */
  87 #define SA_SIGINFO      0x00000004
  88 #define SA_ONSTACK      0x08000000
  89 #define SA_RESTART      0x10000000
  90 #define SA_NODEFER      0x40000000
  91 #define SA_RESETHAND    0x80000000
  92
  93 #define SA_NOMASK       SA_NODEFER
  94 #define SA_ONESHOT      SA_RESETHAND
  95
  96 #define SA_RESTORER     0x04000000
  97
  98 /*
  99  * sigaltstack controls
 100  */
 101 #define SS_ONSTACK      1
 102 #define SS_DISABLE      2
 103
 104 #define MINSIGSTKSZ     2048
 105 #define SIGSTKSZ        THREAD_SIZE
 106
 107 #include <asm-generic/signal.h>
 108
 109 #ifdef __KERNEL__
 110 struct old_sigaction {
 111         __sighandler_t sa_handler;
 112         old_sigset_t sa_mask;
 113         unsigned long sa_flags;
 114         void (*sa_restorer)(void);
 115 };
 116
 117 struct sigaction {
 118         __sighandler_t sa_handler;
 119         unsigned long sa_flags;
 120         void (*sa_restorer)(void);
 121         sigset_t sa_mask;               /* mask last for extensibility */
 122 };
 123
 124 struct k_sigaction {
 125         struct sigaction sa;
 126 };
 127 #else
 128 /* Here we must cater to libcs that poke about in kernel headers.  */
 129
 130 struct sigaction {
 131         union {
 132           __sighandler_t _sa_handler;
 133           void (*_sa_sigaction)(int, struct siginfo *, void *);
 134         } _u;
 135         sigset_t sa_mask;
 136         unsigned long sa_flags;
 137         void (*sa_restorer)(void);
 138 };
 139
 140 #define sa_handler      _u._sa_handler
 141 #define sa_sigaction    _u._sa_sigaction
 142
 143 #endif /* __KERNEL__ */
 144
 145 typedef struct sigaltstack {
 146         void *ss_sp;
 147         int ss_flags;
 148         size_t ss_size;
 149 } stack_t;
 150
 151 #ifdef __KERNEL__
 152 #include <asm/sigcontext.h>
 153
 154 #define sigmask(sig)    (1UL << ((sig) - 1))
 155 #define ptrace_signal_deliver(regs, cookie) do { } while (0)
 156
 157 #endif /* __KERNEL__ */
 158
 159 #endif /* __ASM_SH64_SIGNAL_H */