1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * S390 version 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Derived from "include/asm-i386/signal.h" 6*4882a593Smuzhiyun */ 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun #ifndef _UAPI_ASMS390_SIGNAL_H 9*4882a593Smuzhiyun #define _UAPI_ASMS390_SIGNAL_H 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun #include <linux/types.h> 12*4882a593Smuzhiyun #include <linux/time.h> 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun /* Avoid too many header ordering problems. */ 15*4882a593Smuzhiyun struct siginfo; 16*4882a593Smuzhiyun struct pt_regs; 17*4882a593Smuzhiyun 18*4882a593Smuzhiyun #ifndef __KERNEL__ 19*4882a593Smuzhiyun /* Here we must cater to libcs that poke about in kernel headers. */ 20*4882a593Smuzhiyun 21*4882a593Smuzhiyun #define NSIG 32 22*4882a593Smuzhiyun typedef unsigned long sigset_t; 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun #endif /* __KERNEL__ */ 25*4882a593Smuzhiyun 26*4882a593Smuzhiyun #define SIGHUP 1 27*4882a593Smuzhiyun #define SIGINT 2 28*4882a593Smuzhiyun #define SIGQUIT 3 29*4882a593Smuzhiyun #define SIGILL 4 30*4882a593Smuzhiyun #define SIGTRAP 5 31*4882a593Smuzhiyun #define SIGABRT 6 32*4882a593Smuzhiyun #define SIGIOT 6 33*4882a593Smuzhiyun #define SIGBUS 7 34*4882a593Smuzhiyun #define SIGFPE 8 35*4882a593Smuzhiyun #define SIGKILL 9 36*4882a593Smuzhiyun #define SIGUSR1 10 37*4882a593Smuzhiyun #define SIGSEGV 11 38*4882a593Smuzhiyun #define SIGUSR2 12 39*4882a593Smuzhiyun #define SIGPIPE 13 40*4882a593Smuzhiyun #define SIGALRM 14 41*4882a593Smuzhiyun #define SIGTERM 15 42*4882a593Smuzhiyun #define SIGSTKFLT 16 43*4882a593Smuzhiyun #define SIGCHLD 17 44*4882a593Smuzhiyun #define SIGCONT 18 45*4882a593Smuzhiyun #define SIGSTOP 19 46*4882a593Smuzhiyun #define SIGTSTP 20 47*4882a593Smuzhiyun #define SIGTTIN 21 48*4882a593Smuzhiyun #define SIGTTOU 22 49*4882a593Smuzhiyun #define SIGURG 23 50*4882a593Smuzhiyun #define SIGXCPU 24 51*4882a593Smuzhiyun #define SIGXFSZ 25 52*4882a593Smuzhiyun #define SIGVTALRM 26 53*4882a593Smuzhiyun #define SIGPROF 27 54*4882a593Smuzhiyun #define SIGWINCH 28 55*4882a593Smuzhiyun #define SIGIO 29 56*4882a593Smuzhiyun #define SIGPOLL SIGIO 57*4882a593Smuzhiyun /* 58*4882a593Smuzhiyun #define SIGLOST 29 59*4882a593Smuzhiyun */ 60*4882a593Smuzhiyun #define SIGPWR 30 61*4882a593Smuzhiyun #define SIGSYS 31 62*4882a593Smuzhiyun #define SIGUNUSED 31 63*4882a593Smuzhiyun 64*4882a593Smuzhiyun /* These should not be considered constants from userland. */ 65*4882a593Smuzhiyun #define SIGRTMIN 32 66*4882a593Smuzhiyun #define SIGRTMAX _NSIG 67*4882a593Smuzhiyun 68*4882a593Smuzhiyun #define SA_RESTORER 0x04000000 69*4882a593Smuzhiyun 70*4882a593Smuzhiyun #define MINSIGSTKSZ 2048 71*4882a593Smuzhiyun #define SIGSTKSZ 8192 72*4882a593Smuzhiyun 73*4882a593Smuzhiyun #include <asm-generic/signal-defs.h> 74*4882a593Smuzhiyun 75*4882a593Smuzhiyun #ifndef __KERNEL__ 76*4882a593Smuzhiyun 77*4882a593Smuzhiyun /* 78*4882a593Smuzhiyun * There are two system calls in regard to sigaction, sys_rt_sigaction 79*4882a593Smuzhiyun * and sys_sigaction. Internally the kernel uses the struct old_sigaction 80*4882a593Smuzhiyun * for the older sys_sigaction system call, and the kernel version of the 81*4882a593Smuzhiyun * struct sigaction for the newer sys_rt_sigaction. 82*4882a593Smuzhiyun * 83*4882a593Smuzhiyun * The uapi definition for struct sigaction has made a strange distinction 84*4882a593Smuzhiyun * between 31-bit and 64-bit in the past. For 64-bit the uapi structure 85*4882a593Smuzhiyun * looks like the kernel struct sigaction, but for 31-bit it used to 86*4882a593Smuzhiyun * look like the kernel struct old_sigaction. That practically made the 87*4882a593Smuzhiyun * structure unusable for either system call. To get around this problem 88*4882a593Smuzhiyun * the glibc always had its own definitions for the sigaction structures. 89*4882a593Smuzhiyun * 90*4882a593Smuzhiyun * The current struct sigaction uapi definition below is suitable for the 91*4882a593Smuzhiyun * sys_rt_sigaction system call only. 92*4882a593Smuzhiyun */ 93*4882a593Smuzhiyun struct sigaction { 94*4882a593Smuzhiyun union { 95*4882a593Smuzhiyun __sighandler_t _sa_handler; 96*4882a593Smuzhiyun void (*_sa_sigaction)(int, struct siginfo *, void *); 97*4882a593Smuzhiyun } _u; 98*4882a593Smuzhiyun unsigned long sa_flags; 99*4882a593Smuzhiyun void (*sa_restorer)(void); 100*4882a593Smuzhiyun sigset_t sa_mask; 101*4882a593Smuzhiyun }; 102*4882a593Smuzhiyun 103*4882a593Smuzhiyun #define sa_handler _u._sa_handler 104*4882a593Smuzhiyun #define sa_sigaction _u._sa_sigaction 105*4882a593Smuzhiyun 106*4882a593Smuzhiyun #endif /* __KERNEL__ */ 107*4882a593Smuzhiyun 108*4882a593Smuzhiyun typedef struct sigaltstack { 109*4882a593Smuzhiyun void __user *ss_sp; 110*4882a593Smuzhiyun int ss_flags; 111*4882a593Smuzhiyun size_t ss_size; 112*4882a593Smuzhiyun } stack_t; 113*4882a593Smuzhiyun 114*4882a593Smuzhiyun 115*4882a593Smuzhiyun #endif /* _UAPI_ASMS390_SIGNAL_H */ 116