linux/arch/s390/include/asm/signal.h
<<
>>
Prefs
   1/*
   2 *  include/asm-s390/signal.h
   3 *
   4 *  S390 version
   5 *
   6 *  Derived from "include/asm-i386/signal.h"
   7 */
   8
   9#ifndef _ASMS390_SIGNAL_H
  10#define _ASMS390_SIGNAL_H
  11
  12#include <linux/types.h>
  13#include <linux/time.h>
  14
  15/* Avoid too many header ordering problems.  */
  16struct siginfo;
  17struct pt_regs;
  18
  19#ifdef __KERNEL__
  20/* Most things should be clean enough to redefine this at will, if care
  21   is taken to make libc match.  */
  22#include <asm/sigcontext.h>
  23#define _NSIG           _SIGCONTEXT_NSIG
  24#define _NSIG_BPW       _SIGCONTEXT_NSIG_BPW
  25#define _NSIG_WORDS     _SIGCONTEXT_NSIG_WORDS
  26
  27typedef unsigned long old_sigset_t;             /* at least 32 bits */
  28
  29typedef struct {
  30        unsigned long sig[_NSIG_WORDS];
  31} sigset_t;
  32
  33#else
  34/* Here we must cater to libcs that poke about in kernel headers.  */
  35
  36#define NSIG            32
  37typedef unsigned long sigset_t;
  38
  39#endif /* __KERNEL__ */
  40
  41#define SIGHUP           1
  42#define SIGINT           2
  43#define SIGQUIT          3
  44#define SIGILL           4
  45#define SIGTRAP          5
  46#define SIGABRT          6
  47#define SIGIOT           6
  48#define SIGBUS           7
  49#define SIGFPE           8
  50#define SIGKILL          9
  51#define SIGUSR1         10
  52#define SIGSEGV         11
  53#define SIGUSR2         12
  54#define SIGPIPE         13
  55#define SIGALRM         14
  56#define SIGTERM         15
  57#define SIGSTKFLT       16
  58#define SIGCHLD         17
  59#define SIGCONT         18
  60#define SIGSTOP         19
  61#define SIGTSTP         20
  62#define SIGTTIN         21
  63#define SIGTTOU         22
  64#define SIGURG          23
  65#define SIGXCPU         24
  66#define SIGXFSZ         25
  67#define SIGVTALRM       26
  68#define SIGPROF         27
  69#define SIGWINCH        28
  70#define SIGIO           29
  71#define SIGPOLL         SIGIO
  72/*
  73#define SIGLOST         29
  74*/
  75#define SIGPWR          30
  76#define SIGSYS          31
  77#define SIGUNUSED       31
  78
  79/* These should not be considered constants from userland.  */
  80#define SIGRTMIN        32
  81#define SIGRTMAX        _NSIG
  82
  83/*
  84 * SA_FLAGS values:
  85 *
  86 * SA_ONSTACK indicates that a registered stack_t will be used.
  87 * SA_RESTART flag to get restarting signals (which were the default long ago)
  88 * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
  89 * SA_RESETHAND clears the handler when the signal is delivered.
  90 * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
  91 * SA_NODEFER prevents the current signal from being masked in the handler.
  92 *
  93 * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
  94 * Unix names RESETHAND and NODEFER respectively.
  95 */
  96#define SA_NOCLDSTOP    0x00000001
  97#define SA_NOCLDWAIT    0x00000002
  98#define SA_SIGINFO      0x00000004
  99#define SA_ONSTACK      0x08000000
 100#define SA_RESTART      0x10000000
 101#define SA_NODEFER      0x40000000
 102#define SA_RESETHAND    0x80000000
 103
 104#define SA_NOMASK       SA_NODEFER
 105#define SA_ONESHOT      SA_RESETHAND
 106
 107#define SA_RESTORER     0x04000000
 108
 109/*
 110 * sigaltstack controls
 111 */
 112#define SS_ONSTACK      1
 113#define SS_DISABLE      2
 114
 115#define MINSIGSTKSZ     2048
 116#define SIGSTKSZ        8192
 117
 118#include <asm-generic/signal.h>
 119
 120#ifdef __KERNEL__
 121struct old_sigaction {
 122        __sighandler_t sa_handler;
 123        old_sigset_t sa_mask;
 124        unsigned long sa_flags;
 125        void (*sa_restorer)(void);
 126};
 127
 128struct sigaction {
 129        __sighandler_t sa_handler;
 130        unsigned long sa_flags;
 131        void (*sa_restorer)(void);
 132        sigset_t sa_mask;               /* mask last for extensibility */
 133};
 134
 135struct k_sigaction {
 136        struct sigaction sa;
 137};
 138
 139#define ptrace_signal_deliver(regs, cookie) do { } while (0)
 140
 141#else
 142/* Here we must cater to libcs that poke about in kernel headers.  */
 143
 144struct sigaction {
 145        union {
 146          __sighandler_t _sa_handler;
 147          void (*_sa_sigaction)(int, struct siginfo *, void *);
 148        } _u;
 149#ifndef __s390x__ /* lovely */
 150        sigset_t sa_mask;
 151        unsigned long sa_flags;
 152        void (*sa_restorer)(void);
 153#else  /* __s390x__ */
 154        unsigned long sa_flags;
 155        void (*sa_restorer)(void);
 156        sigset_t sa_mask;
 157#endif /* __s390x__ */
 158};
 159
 160#define sa_handler      _u._sa_handler
 161#define sa_sigaction    _u._sa_sigaction
 162
 163#endif /* __KERNEL__ */
 164
 165typedef struct sigaltstack {
 166        void __user *ss_sp;
 167        int ss_flags;
 168        size_t ss_size;
 169} stack_t;
 170
 171
 172#endif
 173
lxr.linux.no kindly hosted by Redpill Linpro AS, provider of Linux consulting and operations services since 1995.