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