arch/microblaze/include/asm/signal.h

   1 /*
   2  * Copyright (C) 2006 Atmark Techno, Inc.
   3  *      Yasushi SHOJI <yashi@atmark-techno.com>
   4  *      Tetsuya OHKAWA <tetsuya@atmark-techno.com>
   5  *
   6  * This file is subject to the terms and conditions of the GNU General Public
   7  * License. See the file "COPYING" in the main directory of this archive
   8  * for more details.
   9  */
  10
  11 #ifndef _ASM_MICROBLAZE_SIGNAL_H
  12 #define _ASM_MICROBLAZE_SIGNAL_H
  13
  14 #define SIGHUP          1
  15 #define SIGINT          2
  16 #define SIGQUIT         3
  17 #define SIGILL          4
  18 #define SIGTRAP         5
  19 #define SIGABRT         6
  20 #define SIGIOT          6
  21 #define SIGBUS          7
  22 #define SIGFPE          8
  23 #define SIGKILL         9
  24 #define SIGUSR1         10
  25 #define SIGSEGV         11
  26 #define SIGUSR2         12
  27 #define SIGPIPE         13
  28 #define SIGALRM         14
  29 #define SIGTERM         15
  30 #define SIGSTKFLT       16
  31 #define SIGCHLD         17
  32 #define SIGCONT         18
  33 #define SIGSTOP         19
  34 #define SIGTSTP         20
  35 #define SIGTTIN         21
  36 #define SIGTTOU         22
  37 #define SIGURG          23
  38 #define SIGXCPU         24
  39 #define SIGXFSZ         25
  40 #define SIGVTALRM       26
  41 #define SIGPROF         27
  42 #define SIGWINCH        28
  43 #define SIGIO           29
  44 #define SIGPOLL         SIGIO
  45 /*
  46 #define SIGLOST         29
  47 */
  48 #define SIGPWR          30
  49 #define SIGSYS          31
  50 #define SIGUNUSED       31
  51
  52 /* These should not be considered constants from userland. */
  53 #define SIGRTMIN        32
  54 #define SIGRTMAX        _NSIG
  55
  56 /*
  57  * SA_FLAGS values:
  58  *
  59  * SA_ONSTACK indicates that a registered stack_t will be used.
  60  * SA_RESTART flag to get restarting signals (which were the default long ago)
  61  * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
  62  * SA_RESETHAND clears the handler when the signal is delivered.
  63  * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
  64  * SA_NODEFER prevents the current signal from being masked in the handler.
  65  *
  66  * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
  67  * Unix names RESETHAND and NODEFER respectively.
  68  */
  69 #define SA_NOCLDSTOP    0x00000001
  70 #define SA_NOCLDWAIT    0x00000002
  71 #define SA_SIGINFO      0x00000004
  72 #define SA_ONSTACK      0x08000000
  73 #define SA_RESTART      0x10000000
  74 #define SA_NODEFER      0x40000000
  75 #define SA_RESETHAND    0x80000000
  76
  77 #define SA_NOMASK       SA_NODEFER
  78 #define SA_ONESHOT      SA_RESETHAND
  79
  80 #define SA_RESTORER     0x04000000
  81
  82 /*
  83  * sigaltstack controls
  84  */
  85 #define SS_ONSTACK      1
  86 #define SS_DISABLE      2
  87
  88 #define MINSIGSTKSZ     2048
  89 #define SIGSTKSZ        8192
  90
  91 # ifndef __ASSEMBLY__
  92 # include <linux/types.h>
  93 # include <asm-generic/signal-defs.h>
  94
  95 /* Avoid too many header ordering problems. */
  96 struct siginfo;
  97
  98 #  ifdef __KERNEL__
  99 /*
 100  * Most things should be clean enough to redefine this at will, if care
 101  * is taken to make libc match.
 102  */
 103 #  define _NSIG         64
 104 #  define _NSIG_BPW     32
 105 #  define _NSIG_WORDS   (_NSIG / _NSIG_BPW)
 106
 107 typedef unsigned long old_sigset_t; /* at least 32 bits */
 108
 109 typedef struct {
 110         unsigned long sig[_NSIG_WORDS];
 111 } sigset_t;
 112
 113 struct old_sigaction {
 114         __sighandler_t sa_handler;
 115         old_sigset_t sa_mask;
 116         unsigned long sa_flags;
 117         void (*sa_restorer)(void);
 118 };
 119
 120 struct sigaction {
 121         __sighandler_t sa_handler;
 122         unsigned long sa_flags;
 123         void (*sa_restorer)(void);
 124         sigset_t sa_mask; /* mask last for extensibility */
 125 };
 126
 127 struct k_sigaction {
 128         struct sigaction sa;
 129 };
 130
 131 #  include <asm/sigcontext.h>
 132 #  undef __HAVE_ARCH_SIG_BITOPS
 133
 134 #  define ptrace_signal_deliver(regs, cookie) do { } while (0)
 135
 136 #  else /* !__KERNEL__ */
 137
 138 /* Here we must cater to libcs that poke about in kernel headers. */
 139
 140 #  define NSIG          32
 141 typedef unsigned long sigset_t;
 142
 143 struct sigaction {
 144         union {
 145         __sighandler_t _sa_handler;
 146         void (*_sa_sigaction)(int, struct siginfo *, void *);
 147         } _u;
 148         sigset_t sa_mask;
 149         unsigned long sa_flags;
 150         void (*sa_restorer)(void);
 151 };
 152
 153 #  define sa_handler    _u._sa_handler
 154 #  define sa_sigaction  _u._sa_sigaction
 155
 156 #  endif /* __KERNEL__ */
 157
 158 typedef struct sigaltstack {
 159         void *ss_sp;
 160         int ss_flags;
 161         size_t ss_size;
 162 } stack_t;
 163
 164 # endif /* __ASSEMBLY__ */
 165 #endif /* _ASM_MICROBLAZE_SIGNAL_H */