1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ /* * S390 version * * Derived from "include/asm-i386/signal.h" */ #ifndef _UAPI_ASMS390_SIGNAL_H #define _UAPI_ASMS390_SIGNAL_H #include <linux/types.h> #include <linux/time.h> /* Avoid too many header ordering problems. */ struct siginfo; struct pt_regs; #ifndef __KERNEL__ /* Here we must cater to libcs that poke about in kernel headers. */ #define NSIG 32 typedef unsigned long sigset_t; #endif /* __KERNEL__ */ #define SIGHUP 1 #define SIGINT 2 #define SIGQUIT 3 #define SIGILL 4 #define SIGTRAP 5 #define SIGABRT 6 #define SIGIOT 6 #define SIGBUS 7 #define SIGFPE 8 #define SIGKILL 9 #define SIGUSR1 10 #define SIGSEGV 11 #define SIGUSR2 12 #define SIGPIPE 13 #define SIGALRM 14 #define SIGTERM 15 #define SIGSTKFLT 16 #define SIGCHLD 17 #define SIGCONT 18 #define SIGSTOP 19 #define SIGTSTP 20 #define SIGTTIN 21 #define SIGTTOU 22 #define SIGURG 23 #define SIGXCPU 24 #define SIGXFSZ 25 #define SIGVTALRM 26 #define SIGPROF 27 #define SIGWINCH 28 #define SIGIO 29 #define SIGPOLL SIGIO /* #define SIGLOST 29 */ #define SIGPWR 30 #define SIGSYS 31 #define SIGUNUSED 31 /* These should not be considered constants from userland. */ #define SIGRTMIN 32 #define SIGRTMAX _NSIG /* * SA_FLAGS values: * * SA_ONSTACK indicates that a registered stack_t will be used. * SA_RESTART flag to get restarting signals (which were the default long ago) * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop. * SA_RESETHAND clears the handler when the signal is delivered. * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies. * SA_NODEFER prevents the current signal from being masked in the handler. * * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single * Unix names RESETHAND and NODEFER respectively. */ #define SA_NOCLDSTOP 0x00000001 #define SA_NOCLDWAIT 0x00000002 #define SA_SIGINFO 0x00000004 #define SA_ONSTACK 0x08000000 #define SA_RESTART 0x10000000 #define SA_NODEFER 0x40000000 #define SA_RESETHAND 0x80000000 #define SA_NOMASK SA_NODEFER #define SA_ONESHOT SA_RESETHAND #define SA_RESTORER 0x04000000 #define MINSIGSTKSZ 2048 #define SIGSTKSZ 8192 #include <asm-generic/signal-defs.h> #ifndef __KERNEL__ /* * There are two system calls in regard to sigaction, sys_rt_sigaction * and sys_sigaction. Internally the kernel uses the struct old_sigaction * for the older sys_sigaction system call, and the kernel version of the * struct sigaction for the newer sys_rt_sigaction. * * The uapi definition for struct sigaction has made a strange distinction * between 31-bit and 64-bit in the past. For 64-bit the uapi structure * looks like the kernel struct sigaction, but for 31-bit it used to * look like the kernel struct old_sigaction. That practically made the * structure unusable for either system call. To get around this problem * the glibc always had its own definitions for the sigaction structures. * * The current struct sigaction uapi definition below is suitable for the * sys_rt_sigaction system call only. */ struct sigaction { union { __sighandler_t _sa_handler; void (*_sa_sigaction)(int, struct siginfo *, void *); } _u; unsigned long sa_flags; void (*sa_restorer)(void); sigset_t sa_mask; }; #define sa_handler _u._sa_handler #define sa_sigaction _u._sa_sigaction #endif /* __KERNEL__ */ typedef struct sigaltstack { void __user *ss_sp; int ss_flags; size_t ss_size; } stack_t; #endif /* _UAPI_ASMS390_SIGNAL_H */ |