1c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#ifndef _ASMARM_SIGNAL_H 2c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define _ASMARM_SIGNAL_H 3c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 4c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#include <linux/types.h> 5c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 6c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru/* Avoid too many header ordering problems. */ 7c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querustruct siginfo; 8c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 9c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#ifdef __KERNEL__ 10c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru/* Most things should be clean enough to redefine this at will, if care 11c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru is taken to make libc match. */ 12c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 13c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define _NSIG 64 14c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define _NSIG_BPW 32 15c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define _NSIG_WORDS (_NSIG / _NSIG_BPW) 16c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 17c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querutypedef unsigned long old_sigset_t; /* at least 32 bits */ 18c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 19c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querutypedef struct { 20c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru unsigned long sig[_NSIG_WORDS]; 21c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru} sigset_t; 22c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 23c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#else 24c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru/* Here we must cater to libcs that poke about in kernel headers. */ 25c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 26c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define NSIG 32 27c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querutypedef unsigned long sigset_t; 28c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 29c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#endif /* __KERNEL__ */ 30c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 31c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SIGHUP 1 32c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SIGINT 2 33c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SIGQUIT 3 34c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SIGILL 4 35c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SIGTRAP 5 36c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SIGABRT 6 37c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SIGIOT 6 38c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SIGBUS 7 39c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SIGFPE 8 40c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SIGKILL 9 41c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SIGUSR1 10 42c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SIGSEGV 11 43c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SIGUSR2 12 44c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SIGPIPE 13 45c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SIGALRM 14 46c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SIGTERM 15 47c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SIGSTKFLT 16 48c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SIGCHLD 17 49c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SIGCONT 18 50c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SIGSTOP 19 51c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SIGTSTP 20 52c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SIGTTIN 21 53c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SIGTTOU 22 54c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SIGURG 23 55c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SIGXCPU 24 56c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SIGXFSZ 25 57c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SIGVTALRM 26 58c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SIGPROF 27 59c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SIGWINCH 28 60c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SIGIO 29 61c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SIGPOLL SIGIO 62c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru/* 63c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SIGLOST 29 64c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru*/ 65c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SIGPWR 30 66c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SIGSYS 31 67c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SIGUNUSED 31 68c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 69c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru/* These should not be considered constants from userland. */ 70c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SIGRTMIN 32 71c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SIGRTMAX _NSIG 72c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 73c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SIGSWI 32 74c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 75c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru/* 76c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * SA_FLAGS values: 77c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * 78c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop. 79c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies. 80c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * SA_SIGINFO deliver the signal with SIGINFO structs 81c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * SA_THIRTYTWO delivers the signal in 32-bit mode, even if the task 82c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * is running in 26-bit. 83c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * SA_ONSTACK allows alternate signal stacks (see sigaltstack(2)). 84c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * SA_RESTART flag to get restarting signals (which were the default long ago) 85c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * SA_NODEFER prevents the current signal from being masked in the handler. 86c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * SA_RESETHAND clears the handler when the signal is delivered. 87c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * 88c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single 89c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * Unix names RESETHAND and NODEFER respectively. 90c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru */ 91c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SA_NOCLDSTOP 0x00000001 92c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SA_NOCLDWAIT 0x00000002 93c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SA_SIGINFO 0x00000004 94c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SA_THIRTYTWO 0x02000000 95c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SA_RESTORER 0x04000000 96c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SA_ONSTACK 0x08000000 97c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SA_RESTART 0x10000000 98c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SA_NODEFER 0x40000000 99c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SA_RESETHAND 0x80000000 100c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 101c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SA_NOMASK SA_NODEFER 102c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SA_ONESHOT SA_RESETHAND 103c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 104c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 105c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru/* 106c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * sigaltstack controls 107c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru */ 108c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SS_ONSTACK 1 109c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SS_DISABLE 2 110c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 111c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define MINSIGSTKSZ 2048 112c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SIGSTKSZ 8192 113c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 114c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#include <asm-generic/signal.h> 115c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 116c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#ifdef __KERNEL__ 117c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querustruct old_sigaction { 118c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru __sighandler_t sa_handler; 119c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru old_sigset_t sa_mask; 120c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru unsigned long sa_flags; 121c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru __sigrestore_t sa_restorer; 122c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru}; 123c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 124c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querustruct sigaction { 125c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru __sighandler_t sa_handler; 126c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru unsigned long sa_flags; 127c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru __sigrestore_t sa_restorer; 128c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru sigset_t sa_mask; /* mask last for extensibility */ 129c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru}; 130c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 131c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querustruct k_sigaction { 132c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru struct sigaction sa; 133c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru}; 134c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 135c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#else 136c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru/* Here we must cater to libcs that poke about in kernel headers. */ 137c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 138c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querustruct sigaction { 139c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru union { 140c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru __sighandler_t _sa_handler; 141c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru void (*_sa_sigaction)(int, struct siginfo *, void *); 142c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru } _u; 143c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru sigset_t sa_mask; 144c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru unsigned long sa_flags; 145c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru void (*sa_restorer)(void); 146c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru}; 147c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 148c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define sa_handler _u._sa_handler 149c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define sa_sigaction _u._sa_sigaction 150c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 151c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#endif /* __KERNEL__ */ 152c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 153c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querutypedef struct sigaltstack { 154c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru void __user *ss_sp; 155c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru int ss_flags; 156c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru size_t ss_size; 157c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru} stack_t; 158c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 159c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#ifdef __KERNEL__ 160c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#include <asm/sigcontext.h> 161c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ptrace_signal_deliver(regs, cookie) do { } while (0) 162c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#endif 163c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 164c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#endif 165