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

INCLUDED FROM

   1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2 #ifndef _UAPI_ASMARM_SIGNAL_H
   3 #define _UAPI_ASMARM_SIGNAL_H
   4 
   5 #include <linux/types.h>
   6 
   7 /* Avoid too many header ordering problems.  */
   8 struct siginfo;
   9 
  10 #ifndef __KERNEL__
  11 /* Here we must cater to libcs that poke about in kernel headers.  */
  12 
  13 #define NSIG            32
  14 typedef unsigned long sigset_t;
  15 
  16 #endif /* __KERNEL__ */
  17 
  18 #define SIGHUP           1
  19 #define SIGINT           2
  20 #define SIGQUIT          3
  21 #define SIGILL           4
  22 #define SIGTRAP          5
  23 #define SIGABRT          6
  24 #define SIGIOT           6
  25 #define SIGBUS           7
  26 #define SIGFPE           8
  27 #define SIGKILL          9
  28 #define SIGUSR1         10
  29 #define SIGSEGV         11
  30 #define SIGUSR2         12
  31 #define SIGPIPE         13
  32 #define SIGALRM         14
  33 #define SIGTERM         15
  34 #define SIGSTKFLT       16
  35 #define SIGCHLD         17
  36 #define SIGCONT         18
  37 #define SIGSTOP         19
  38 #define SIGTSTP         20
  39 #define SIGTTIN         21
  40 #define SIGTTOU         22
  41 #define SIGURG          23
  42 #define SIGXCPU         24
  43 #define SIGXFSZ         25
  44 #define SIGVTALRM       26
  45 #define SIGPROF         27
  46 #define SIGWINCH        28
  47 #define SIGIO           29
  48 #define SIGPOLL         SIGIO
  49 /*
  50 #define SIGLOST         29
  51 */
  52 #define SIGPWR          30
  53 #define SIGSYS          31
  54 #define SIGUNUSED       31
  55 
  56 /* These should not be considered constants from userland.  */
  57 #define SIGRTMIN        32
  58 #define SIGRTMAX        _NSIG
  59 
  60 #define SIGSWI          32
  61 
  62 /*
  63  * SA_FLAGS values:
  64  *
  65  * SA_NOCLDSTOP         flag to turn off SIGCHLD when children stop.
  66  * SA_NOCLDWAIT         flag on SIGCHLD to inhibit zombies.
  67  * SA_SIGINFO           deliver the signal with SIGINFO structs
  68  * SA_THIRTYTWO         delivers the signal in 32-bit mode, even if the task 
  69  *                      is running in 26-bit.
  70  * SA_ONSTACK           allows alternate signal stacks (see sigaltstack(2)).
  71  * SA_RESTART           flag to get restarting signals (which were the default long ago)
  72  * SA_NODEFER           prevents the current signal from being masked in the handler.
  73  * SA_RESETHAND         clears the handler when the signal is delivered.
  74  *
  75  * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
  76  * Unix names RESETHAND and NODEFER respectively.
  77  */
  78 #define SA_NOCLDSTOP    0x00000001
  79 #define SA_NOCLDWAIT    0x00000002
  80 #define SA_SIGINFO      0x00000004
  81 #define SA_THIRTYTWO    0x02000000
  82 #define SA_RESTORER     0x04000000
  83 #define SA_ONSTACK      0x08000000
  84 #define SA_RESTART      0x10000000
  85 #define SA_NODEFER      0x40000000
  86 #define SA_RESETHAND    0x80000000
  87 
  88 #define SA_NOMASK       SA_NODEFER
  89 #define SA_ONESHOT      SA_RESETHAND
  90 
  91 #define MINSIGSTKSZ     2048
  92 #define SIGSTKSZ        8192
  93 
  94 #include <asm-generic/signal-defs.h>
  95 
  96 #ifndef __KERNEL__
  97 /* Here we must cater to libcs that poke about in kernel headers.  */
  98 
  99 struct sigaction {
 100         union {
 101           __sighandler_t _sa_handler;
 102           void (*_sa_sigaction)(int, struct siginfo *, void *);
 103         } _u;
 104         sigset_t sa_mask;
 105         unsigned long sa_flags;
 106         void (*sa_restorer)(void);
 107 };
 108 
 109 #define sa_handler      _u._sa_handler
 110 #define sa_sigaction    _u._sa_sigaction
 111 
 112 #endif /* __KERNEL__ */
 113 
 114 typedef struct sigaltstack {
 115         void __user *ss_sp;
 116         int ss_flags;
 117         size_t ss_size;
 118 } stack_t;
 119 
 120 
 121 #endif /* _UAPI_ASMARM_SIGNAL_H */