arch/x86/include/uapi/asm/signal.h

   1 #ifndef _UAPI_ASM_X86_SIGNAL_H
   2 #define _UAPI_ASM_X86_SIGNAL_H
   3
   4 #ifndef __ASSEMBLY__
   5 #include <linux/types.h>
   6 #include <linux/time.h>
   7 #include <linux/compiler.h>
   8
   9 /* Avoid too many header ordering problems.  */
  10 struct siginfo;
  11
  12 #ifndef __KERNEL__
  13 /* Here we must cater to libcs that poke about in kernel headers.  */
  14
  15 #define NSIG            32
  16 typedef unsigned long sigset_t;
  17
  18 #endif /* __KERNEL__ */
  19 #endif /* __ASSEMBLY__ */
  20
  21
  22 #define SIGHUP           1
  23 #define SIGINT           2
  24 #define SIGQUIT          3
  25 #define SIGILL           4
  26 #define SIGTRAP          5
  27 #define SIGABRT          6
  28 #define SIGIOT           6
  29 #define SIGBUS           7
  30 #define SIGFPE           8
  31 #define SIGKILL          9
  32 #define SIGUSR1         10
  33 #define SIGSEGV         11
  34 #define SIGUSR2         12
  35 #define SIGPIPE         13
  36 #define SIGALRM         14
  37 #define SIGTERM         15
  38 #define SIGSTKFLT       16
  39 #define SIGCHLD         17
  40 #define SIGCONT         18
  41 #define SIGSTOP         19
  42 #define SIGTSTP         20
  43 #define SIGTTIN         21
  44 #define SIGTTOU         22
  45 #define SIGURG          23
  46 #define SIGXCPU         24
  47 #define SIGXFSZ         25
  48 #define SIGVTALRM       26
  49 #define SIGPROF         27
  50 #define SIGWINCH        28
  51 #define SIGIO           29
  52 #define SIGPOLL         SIGIO
  53 /*
  54 #define SIGLOST         29
  55 */
  56 #define SIGPWR          30
  57 #define SIGSYS          31
  58 #define SIGUNUSED       31
  59
  60 /* These should not be considered constants from userland.  */
  61 #define SIGRTMIN        32
  62 #define SIGRTMAX        _NSIG
  63
  64 /*
  65  * SA_FLAGS values:
  66  *
  67  * SA_ONSTACK indicates that a registered stack_t will be used.
  68  * SA_RESTART flag to get restarting signals (which were the default long ago)
  69  * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
  70  * SA_RESETHAND clears the handler when the signal is delivered.
  71  * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
  72  * SA_NODEFER prevents the current signal from being masked in the handler.
  73  *
  74  * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
  75  * Unix names RESETHAND and NODEFER respectively.
  76  */
  77 #define SA_NOCLDSTOP    0x00000001u
  78 #define SA_NOCLDWAIT    0x00000002u
  79 #define SA_SIGINFO      0x00000004u
  80 #define SA_ONSTACK      0x08000000u
  81 #define SA_RESTART      0x10000000u
  82 #define SA_NODEFER      0x40000000u
  83 #define SA_RESETHAND    0x80000000u
  84
  85 #define SA_NOMASK       SA_NODEFER
  86 #define SA_ONESHOT      SA_RESETHAND
  87
  88 #define SA_RESTORER     0x04000000
  89
  90 /*
  91  * sigaltstack controls
  92  */
  93 #define SS_ONSTACK      1
  94 #define SS_DISABLE      2
  95
  96 #define MINSIGSTKSZ     2048
  97 #define SIGSTKSZ        8192
  98
  99 #include <asm-generic/signal-defs.h>
 100
 101 #ifndef __ASSEMBLY__
 102
 103
 104 #ifdef __i386__
 105 # ifndef __KERNEL__
 106 /* Here we must cater to libcs that poke about in kernel headers.  */
 107
 108 struct sigaction {
 109         union {
 110           __sighandler_t _sa_handler;
 111           void (*_sa_sigaction)(int, struct siginfo *, void *);
 112         } _u;
 113         sigset_t sa_mask;
 114         unsigned long sa_flags;
 115         void (*sa_restorer)(void);
 116 };
 117
 118 #define sa_handler      _u._sa_handler
 119 #define sa_sigaction    _u._sa_sigaction
 120
 121 # endif /* ! __KERNEL__ */
 122 #else /* __i386__ */
 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
 135 #endif /* !__i386__ */
 136
 137 typedef struct sigaltstack {
 138         void __user *ss_sp;
 139         int ss_flags;
 140         size_t ss_size;
 141 } stack_t;
 142
 143 #endif /* __ASSEMBLY__ */
 144
 145 #endif /* _UAPI_ASM_X86_SIGNAL_H */