1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 #ifndef _UAPI_ASMARM_SIGNAL_H 3 #define _UAPI_ASMARM_SIGNAL_H 4 5 #include <linux/types.h> 6 7 /* Avoid too many header ordering problems. */ 8 struct siginfo; 9 10 #ifndef __KERNEL__ 11 /* Here we must cater to libcs that poke about in kernel headers. */ 12 13 #define NSIG 32 14 typedef unsigned long sigset_t; 15 16 #endif /* __KERNEL__ */ 17 18 #define SIGHUP 1 19 #define SIGINT 2 20 #define SIGQUIT 3 21 #define SIGILL 4 22 #define SIGTRAP 5 23 #define SIGABRT 6 24 #define SIGIOT 6 25 #define SIGBUS 7 26 #define SIGFPE 8 27 #define SIGKILL 9 28 #define SIGUSR1 10 29 #define SIGSEGV 11 30 #define SIGUSR2 12 31 #define SIGPIPE 13 32 #define SIGALRM 14 33 #define SIGTERM 15 34 #define SIGSTKFLT 16 35 #define SIGCHLD 17 36 #define SIGCONT 18 37 #define SIGSTOP 19 38 #define SIGTSTP 20 39 #define SIGTTIN 21 40 #define SIGTTOU 22 41 #define SIGURG 23 42 #define SIGXCPU 24 43 #define SIGXFSZ 25 44 #define SIGVTALRM 26 45 #define SIGPROF 27 46 #define SIGWINCH 28 47 #define SIGIO 29 48 #define SIGPOLL SIGIO 49 /* 50 #define SIGLOST 29 51 */ 52 #define SIGPWR 30 53 #define SIGSYS 31 54 #define SIGUNUSED 31 55 56 /* These should not be considered constants from userland. */ 57 #define SIGRTMIN 32 58 #define SIGRTMAX _NSIG 59 60 #define SIGSWI 32 61 62 /* 63 * SA_FLAGS values: 64 * 65 * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop. 66 * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies. 67 * SA_SIGINFO deliver the signal with SIGINFO structs 68 * SA_THIRTYTWO delivers the signal in 32-bit mode, even if the task 69 * is running in 26-bit. 70 * SA_ONSTACK allows alternate signal stacks (see sigaltstack(2)). 71 * SA_RESTART flag to get restarting signals (which were the default long ago) 72 * SA_NODEFER prevents the current signal from being masked in the handler. 73 * SA_RESETHAND clears the handler when the signal is delivered. 74 * 75 * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single 76 * Unix names RESETHAND and NODEFER respectively. 77 */ 78 #define SA_NOCLDSTOP 0x00000001 79 #define SA_NOCLDWAIT 0x00000002 80 #define SA_SIGINFO 0x00000004 81 #define SA_THIRTYTWO 0x02000000 82 #define SA_RESTORER 0x04000000 83 #define SA_ONSTACK 0x08000000 84 #define SA_RESTART 0x10000000 85 #define SA_NODEFER 0x40000000 86 #define SA_RESETHAND 0x80000000 87 88 #define SA_NOMASK SA_NODEFER 89 #define SA_ONESHOT SA_RESETHAND 90 91 #define MINSIGSTKSZ 2048 92 #define SIGSTKSZ 8192 93 94 #include <asm-generic/signal-defs.h> 95 96 #ifndef __KERNEL__ 97 /* Here we must cater to libcs that poke about in kernel headers. */ 98 99 struct sigaction { 100 union { 101 __sighandler_t _sa_handler; 102 void (*_sa_sigaction)(int, struct siginfo *, void *); 103 } _u; 104 sigset_t sa_mask; 105 unsigned long sa_flags; 106 void (*sa_restorer)(void); 107 }; 108 109 #define sa_handler _u._sa_handler 110 #define sa_sigaction _u._sa_sigaction 111 112 #endif /* __KERNEL__ */ 113 114 typedef struct sigaltstack { 115 void __user *ss_sp; 116 int ss_flags; 117 size_t ss_size; 118 } stack_t; 119 120 121 #endif /* _UAPI_ASMARM_SIGNAL_H */ 122