arch/s390/include/uapi/asm/signal.h

   1 /*
   2  *  S390 version
   3  *
   4  *  Derived from "include/asm-i386/signal.h"
   5  */
   6
   7 #ifndef _UAPI_ASMS390_SIGNAL_H
   8 #define _UAPI_ASMS390_SIGNAL_H
   9
  10 #include <linux/types.h>
  11 #include <linux/time.h>
  12
  13 /* Avoid too many header ordering problems.  */
  14 struct siginfo;
  15 struct pt_regs;
  16
  17 #ifndef __KERNEL__
  18 /* Here we must cater to libcs that poke about in kernel headers.  */
  19
  20 #define NSIG            32
  21 typedef unsigned long sigset_t;
  22
  23 #endif /* __KERNEL__ */
  24
  25 #define SIGHUP           1
  26 #define SIGINT           2
  27 #define SIGQUIT          3
  28 #define SIGILL           4
  29 #define SIGTRAP          5
  30 #define SIGABRT          6
  31 #define SIGIOT           6
  32 #define SIGBUS           7
  33 #define SIGFPE           8
  34 #define SIGKILL          9
  35 #define SIGUSR1         10
  36 #define SIGSEGV         11
  37 #define SIGUSR2         12
  38 #define SIGPIPE         13
  39 #define SIGALRM         14
  40 #define SIGTERM         15
  41 #define SIGSTKFLT       16
  42 #define SIGCHLD         17
  43 #define SIGCONT         18
  44 #define SIGSTOP         19
  45 #define SIGTSTP         20
  46 #define SIGTTIN         21
  47 #define SIGTTOU         22
  48 #define SIGURG          23
  49 #define SIGXCPU         24
  50 #define SIGXFSZ         25
  51 #define SIGVTALRM       26
  52 #define SIGPROF         27
  53 #define SIGWINCH        28
  54 #define SIGIO           29
  55 #define SIGPOLL         SIGIO
  56 /*
  57 #define SIGLOST         29
  58 */
  59 #define SIGPWR          30
  60 #define SIGSYS          31
  61 #define SIGUNUSED       31
  62
  63 /* These should not be considered constants from userland.  */
  64 #define SIGRTMIN        32
  65 #define SIGRTMAX        _NSIG
  66
  67 /*
  68  * SA_FLAGS values:
  69  *
  70  * SA_ONSTACK indicates that a registered stack_t will be used.
  71  * SA_RESTART flag to get restarting signals (which were the default long ago)
  72  * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
  73  * SA_RESETHAND clears the handler when the signal is delivered.
  74  * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
  75  * SA_NODEFER prevents the current signal from being masked in the handler.
  76  *
  77  * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
  78  * Unix names RESETHAND and NODEFER respectively.
  79  */
  80 #define SA_NOCLDSTOP    0x00000001
  81 #define SA_NOCLDWAIT    0x00000002
  82 #define SA_SIGINFO      0x00000004
  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 SA_RESTORER     0x04000000
  92
  93 #define MINSIGSTKSZ     2048
  94 #define SIGSTKSZ        8192
  95
  96 #include <asm-generic/signal-defs.h>
  97
  98 #ifndef __KERNEL__
  99 /* Here we must cater to libcs that poke about in kernel headers.  */
 100
 101 struct sigaction {
 102         union {
 103           __sighandler_t _sa_handler;
 104           void (*_sa_sigaction)(int, struct siginfo *, void *);
 105         } _u;
 106 #ifndef __s390x__ /* lovely */
 107         sigset_t sa_mask;
 108         unsigned long sa_flags;
 109         void (*sa_restorer)(void);
 110 #else  /* __s390x__ */
 111         unsigned long sa_flags;
 112         void (*sa_restorer)(void);
 113         sigset_t sa_mask;
 114 #endif /* __s390x__ */
 115 };
 116
 117 #define sa_handler      _u._sa_handler
 118 #define sa_sigaction    _u._sa_sigaction
 119
 120 #endif /* __KERNEL__ */
 121
 122 typedef struct sigaltstack {
 123         void __user *ss_sp;
 124         int ss_flags;
 125         size_t ss_size;
 126 } stack_t;
 127
 128
 129 #endif /* _UAPI_ASMS390_SIGNAL_H */