include/asm-generic/signal.h

   1 #ifndef __ASM_GENERIC_SIGNAL_H
   2 #define __ASM_GENERIC_SIGNAL_H
   3
   4 #include <linux/types.h>
   5
   6 #define _NSIG           64
   7 #define _NSIG_BPW       __BITS_PER_LONG
   8 #define _NSIG_WORDS     (_NSIG / _NSIG_BPW)
   9
  10 #define SIGHUP           1
  11 #define SIGINT           2
  12 #define SIGQUIT          3
  13 #define SIGILL           4
  14 #define SIGTRAP          5
  15 #define SIGABRT          6
  16 #define SIGIOT           6
  17 #define SIGBUS           7
  18 #define SIGFPE           8
  19 #define SIGKILL          9
  20 #define SIGUSR1         10
  21 #define SIGSEGV         11
  22 #define SIGUSR2         12
  23 #define SIGPIPE         13
  24 #define SIGALRM         14
  25 #define SIGTERM         15
  26 #define SIGSTKFLT       16
  27 #define SIGCHLD         17
  28 #define SIGCONT         18
  29 #define SIGSTOP         19
  30 #define SIGTSTP         20
  31 #define SIGTTIN         21
  32 #define SIGTTOU         22
  33 #define SIGURG          23
  34 #define SIGXCPU         24
  35 #define SIGXFSZ         25
  36 #define SIGVTALRM       26
  37 #define SIGPROF         27
  38 #define SIGWINCH        28
  39 #define SIGIO           29
  40 #define SIGPOLL         SIGIO
  41 /*
  42 #define SIGLOST         29
  43 */
  44 #define SIGPWR          30
  45 #define SIGSYS          31
  46 #define SIGUNUSED       31
  47
  48 /* These should not be considered constants from userland.  */
  49 #define SIGRTMIN        32
  50 #ifndef SIGRTMAX
  51 #define SIGRTMAX        _NSIG
  52 #endif
  53
  54 /*
  55  * SA_FLAGS values:
  56  *
  57  * SA_ONSTACK indicates that a registered stack_t will be used.
  58  * SA_RESTART flag to get restarting signals (which were the default long ago)
  59  * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
  60  * SA_RESETHAND clears the handler when the signal is delivered.
  61  * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
  62  * SA_NODEFER prevents the current signal from being masked in the handler.
  63  *
  64  * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
  65  * Unix names RESETHAND and NODEFER respectively.
  66  */
  67 #define SA_NOCLDSTOP    0x00000001
  68 #define SA_NOCLDWAIT    0x00000002
  69 #define SA_SIGINFO      0x00000004
  70 #define SA_ONSTACK      0x08000000
  71 #define SA_RESTART      0x10000000
  72 #define SA_NODEFER      0x40000000
  73 #define SA_RESETHAND    0x80000000
  74
  75 #define SA_NOMASK       SA_NODEFER
  76 #define SA_ONESHOT      SA_RESETHAND
  77
  78 /*
  79  * New architectures should not define the obsolete
  80  *      SA_RESTORER     0x04000000
  81  */
  82
  83 /*
  84  * sigaltstack controls
  85  */
  86 #define SS_ONSTACK      1
  87 #define SS_DISABLE      2
  88
  89 #define MINSIGSTKSZ     2048
  90 #define SIGSTKSZ        8192
  91
  92 #ifndef __ASSEMBLY__
  93 typedef struct {
  94         unsigned long sig[_NSIG_WORDS];
  95 } sigset_t;
  96
  97 /* not actually used, but required for linux/syscalls.h */
  98 typedef unsigned long old_sigset_t;
  99
 100 #include <asm-generic/signal-defs.h>
 101
 102 struct sigaction {
 103         __sighandler_t sa_handler;
 104         unsigned long sa_flags;
 105 #ifdef SA_RESTORER
 106         __sigrestore_t sa_restorer;
 107 #endif
 108         sigset_t sa_mask;               /* mask last for extensibility */
 109 };
 110
 111 struct k_sigaction {
 112         struct sigaction sa;
 113 };
 114
 115 typedef struct sigaltstack {
 116         void __user *ss_sp;
 117         int ss_flags;
 118         size_t ss_size;
 119 } stack_t;
 120
 121 #ifdef __KERNEL__
 122
 123 #include <asm/sigcontext.h>
 124 #undef __HAVE_ARCH_SIG_BITOPS
 125
 126 #define ptrace_signal_deliver(regs, cookie) do { } while (0)
 127
 128 #endif /* __KERNEL__ */
 129 #endif /* __ASSEMBLY__ */
 130
 131 #endif /* _ASM_GENERIC_SIGNAL_H */