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-defs.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