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

   1 #ifndef _UAPI_ASMARM_SIGNAL_H
   2 #define _UAPI_ASMARM_SIGNAL_H
   3
   4 #include <linux/types.h>
   5
   6 /* Avoid too many header ordering problems.  */
   7 struct siginfo;
   8
   9 #ifndef __KERNEL__
  10 /* Here we must cater to libcs that poke about in kernel headers.  */
  11
  12 #define NSIG            32
  13 typedef unsigned long sigset_t;
  14
  15 #endif /* __KERNEL__ */
  16
  17 #define SIGHUP           1
  18 #define SIGINT           2
  19 #define SIGQUIT          3
  20 #define SIGILL           4
  21 #define SIGTRAP          5
  22 #define SIGABRT          6
  23 #define SIGIOT           6
  24 #define SIGBUS           7
  25 #define SIGFPE           8
  26 #define SIGKILL          9
  27 #define SIGUSR1         10
  28 #define SIGSEGV         11
  29 #define SIGUSR2         12
  30 #define SIGPIPE         13
  31 #define SIGALRM         14
  32 #define SIGTERM         15
  33 #define SIGSTKFLT       16
  34 #define SIGCHLD         17
  35 #define SIGCONT         18
  36 #define SIGSTOP         19
  37 #define SIGTSTP         20
  38 #define SIGTTIN         21
  39 #define SIGTTOU         22
  40 #define SIGURG          23
  41 #define SIGXCPU         24
  42 #define SIGXFSZ         25
  43 #define SIGVTALRM       26
  44 #define SIGPROF         27
  45 #define SIGWINCH        28
  46 #define SIGIO           29
  47 #define SIGPOLL         SIGIO
  48 /*
  49 #define SIGLOST         29
  50 */
  51 #define SIGPWR          30
  52 #define SIGSYS          31
  53 #define SIGUNUSED       31
  54
  55 /* These should not be considered constants from userland.  */
  56 #define SIGRTMIN        32
  57 #define SIGRTMAX        _NSIG
  58
  59 #define SIGSWI          32
  60
  61 /*
  62  * SA_FLAGS values:
  63  *
  64  * SA_NOCLDSTOP         flag to turn off SIGCHLD when children stop.
  65  * SA_NOCLDWAIT         flag on SIGCHLD to inhibit zombies.
  66  * SA_SIGINFO           deliver the signal with SIGINFO structs
  67  * SA_THIRTYTWO         delivers the signal in 32-bit mode, even if the task
  68  *                      is running in 26-bit.
  69  * SA_ONSTACK           allows alternate signal stacks (see sigaltstack(2)).
  70  * SA_RESTART           flag to get restarting signals (which were the default long ago)
  71  * SA_NODEFER           prevents the current signal from being masked in the handler.
  72  * SA_RESETHAND         clears the handler when the signal is delivered.
  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    0x00000001
  78 #define SA_NOCLDWAIT    0x00000002
  79 #define SA_SIGINFO      0x00000004
  80 #define SA_THIRTYTWO    0x02000000
  81 #define SA_RESTORER     0x04000000
  82 #define SA_ONSTACK      0x08000000
  83 #define SA_RESTART      0x10000000
  84 #define SA_NODEFER      0x40000000
  85 #define SA_RESETHAND    0x80000000
  86
  87 #define SA_NOMASK       SA_NODEFER
  88 #define SA_ONESHOT      SA_RESETHAND
  89
  90 #define MINSIGSTKSZ     2048
  91 #define SIGSTKSZ        8192
  92
  93 #include <asm-generic/signal-defs.h>
  94
  95 #ifndef __KERNEL__
  96 /* Here we must cater to libcs that poke about in kernel headers.  */
  97
  98 struct sigaction {
  99         union {
 100           __sighandler_t _sa_handler;
 101           void (*_sa_sigaction)(int, struct siginfo *, void *);
 102         } _u;
 103         sigset_t sa_mask;
 104         unsigned long sa_flags;
 105         void (*sa_restorer)(void);
 106 };
 107
 108 #define sa_handler      _u._sa_handler
 109 #define sa_sigaction    _u._sa_sigaction
 110
 111 #endif /* __KERNEL__ */
 112
 113 typedef struct sigaltstack {
 114         void __user *ss_sp;
 115         int ss_flags;
 116         size_t ss_size;
 117 } stack_t;
 118
 119
 120 #endif /* _UAPI_ASMARM_SIGNAL_H */