256 lines
7.4 KiB
C
256 lines
7.4 KiB
C
/**
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* \file arch/x86/kernel/include/signal.h
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* License details are found in the file LICENSE.
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* \brief
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* define signal
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* \author Tomoki Shirasawa <tomoki.shirasawa.kk@hitachi-solutions.com> \par
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* Copyright (C) 2012 - 2013 Hitachi, Ltd.
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*/
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/*
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* HISTORY:
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* 2012/02/11 bgerofi what kind of new features have been added
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*/
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#ifndef __HEADER_X86_COMMON_SIGNAL_H
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#define __HEADER_X86_COMMON_SIGNAL_H
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#define _NSIG 64
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#define _NSIG_BPW 64
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#define _NSIG_WORDS (_NSIG / _NSIG_BPW)
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static inline int valid_signal(unsigned long sig)
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{
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return sig <= _NSIG ? 1 : 0;
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}
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typedef unsigned long int __sigset_t;
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#define __sigmask(sig) (((__sigset_t) 1) << ((sig) - 1))
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typedef struct {
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__sigset_t __val[_NSIG_WORDS];
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} sigset_t;
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#define SIG_BLOCK 0
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#define SIG_UNBLOCK 1
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#define SIG_SETMASK 2
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struct sigaction {
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void (*sa_handler)(int);
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unsigned long sa_flags;
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void (*sa_restorer)(int);
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sigset_t sa_mask;
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};
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typedef void __sig_fn_t(int);
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typedef __sig_fn_t *__sig_handler_t;
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#define SIG_DFL (__sig_handler_t)0
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#define SIG_IGN (__sig_handler_t)1
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#define SIG_ERR (__sig_handler_t)-1
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#define SA_NOCLDSTOP 0x00000001U
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#define SA_NOCLDWAIT 0x00000002U
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#define SA_NODEFER 0x40000000U
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#define SA_ONSTACK 0x08000000U
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#define SA_RESETHAND 0x80000000U
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#define SA_RESTART 0x10000000U
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#define SA_SIGINFO 0x00000004U
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struct k_sigaction {
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struct sigaction sa;
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};
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typedef struct sigaltstack {
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void *ss_sp;
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int ss_flags;
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size_t ss_size;
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} stack_t;
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#define MINSIGSTKSZ 2048
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#define SS_ONSTACK 1
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#define SS_DISABLE 2
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typedef union sigval {
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int sival_int;
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void *sival_ptr;
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} sigval_t;
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#define __SI_MAX_SIZE 128
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#define __SI_PAD_SIZE ((__SI_MAX_SIZE / sizeof (int)) - 4)
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typedef struct siginfo {
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int si_signo; /* Signal number. */
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int si_errno; /* If non-zero, an errno value associated with
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this signal, as defined in <errno.h>. */
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int si_code; /* Signal code. */
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#define SI_USER 0 /* sent by kill, sigsend, raise */
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#define SI_KERNEL 0x80 /* sent by the kernel from somewhere */
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#define SI_QUEUE -1 /* sent by sigqueue */
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#define SI_TIMER __SI_CODE(__SI_TIMER,-2) /* sent by timer expiration */
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#define SI_MESGQ __SI_CODE(__SI_MESGQ,-3) /* sent by real time mesq state change
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*/
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#define SI_ASYNCIO -4 /* sent by AIO completion */
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#define SI_SIGIO -5 /* sent by queued SIGIO */
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#define SI_TKILL -6 /* sent by tkill system call */
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#define SI_DETHREAD -7 /* sent by execve() killing subsidiary threads */
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#define ILL_ILLOPC 1 /* illegal opcode */
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#define ILL_ILLOPN 2 /* illegal operand */
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#define ILL_ILLADR 3 /* illegal addressing mode */
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#define ILL_ILLTRP 4 /* illegal trap */
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#define ILL_PRVOPC 5 /* privileged opcode */
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#define ILL_PRVREG 6 /* privileged register */
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#define ILL_COPROC 7 /* coprocessor error */
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#define ILL_BADSTK 8 /* internal stack error */
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#define FPE_INTDIV 1 /* integer divide by zero */
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#define FPE_INTOVF 2 /* integer overflow */
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#define FPE_FLTDIV 3 /* floating point divide by zero */
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#define FPE_FLTOVF 4 /* floating point overflow */
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#define FPE_FLTUND 5 /* floating point underflow */
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#define FPE_FLTRES 6 /* floating point inexact result */
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#define FPE_FLTINV 7 /* floating point invalid operation */
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#define FPE_FLTSUB 8 /* subscript out of range */
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#define SEGV_MAPERR 1 /* address not mapped to object */
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#define SEGV_ACCERR 2 /* invalid permissions for mapped object */
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#define BUS_ADRALN 1 /* invalid address alignment */
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#define BUS_ADRERR 2 /* non-existant physical address */
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#define BUS_OBJERR 3 /* object specific hardware error */
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/* hardware memory error consumed on a machine check: action required */
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#define BUS_MCEERR_AR 4
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/* hardware memory error detected in process but not consumed: action optional*/
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#define BUS_MCEERR_AO 5
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#define TRAP_BRKPT 1 /* process breakpoint */
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#define TRAP_TRACE 2 /* process trace trap */
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#define TRAP_BRANCH 3 /* process taken branch trap */
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#define TRAP_HWBKPT 4 /* hardware breakpoint/watchpoint */
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#define CLD_EXITED 1 /* child has exited */
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#define CLD_KILLED 2 /* child was killed */
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#define CLD_DUMPED 3 /* child terminated abnormally */
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#define CLD_TRAPPED 4 /* traced child has trapped */
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#define CLD_STOPPED 5 /* child has stopped */
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#define CLD_CONTINUED 6 /* stopped child has continued */
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#define POLL_IN 1 /* data input available */
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#define POLL_OUT 2 /* output buffers available */
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#define POLL_MSG 3 /* input message available */
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#define POLL_ERR 4 /* i/o error */
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#define POLL_PRI 5 /* high priority input available */
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#define POLL_HUP 6 /* device disconnected */
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#define SIGEV_SIGNAL 0 /* notify via signal */
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#define SIGEV_NONE 1 /* other notification: meaningless */
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#define SIGEV_THREAD 2 /* deliver via thread creation */
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#define SIGEV_THREAD_ID 4 /* deliver to thread */
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union {
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int _pad[__SI_PAD_SIZE];
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/* kill(). */
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struct {
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int si_pid;/* Sending process ID. */
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int si_uid;/* Real user ID of sending process. */
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} _kill;
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/* POSIX.1b timers. */
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struct {
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int si_tid; /* Timer ID. */
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int si_overrun; /* Overrun count. */
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sigval_t si_sigval; /* Signal value. */
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} _timer;
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/* POSIX.1b signals. */
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struct {
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int si_pid; /* Sending process ID. */
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int si_uid; /* Real user ID of sending process. */
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sigval_t si_sigval; /* Signal value. */
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} _rt;
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/* SIGCHLD. */
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struct {
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int si_pid; /* Which child. */
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int si_uid; /* Real user ID of sending process. */
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int si_status; /* Exit value or signal. */
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long si_utime;
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long si_stime;
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} _sigchld;
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/* SIGILL, SIGFPE, SIGSEGV, SIGBUS. */
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struct {
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void *si_addr; /* Faulting insn/memory ref. */
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} _sigfault;
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/* SIGPOLL. */
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struct {
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long int si_band; /* Band event for SIGPOLL. */
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int si_fd;
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} _sigpoll;
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} _sifields;
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} siginfo_t;
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struct signalfd_siginfo {
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unsigned int ssi_signo;
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int ssi_errno;
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int ssi_code;
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unsigned int ssi_pid;
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unsigned int ssi_uid;
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int ssi_fd;
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unsigned int ssi_tid;
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unsigned int ssi_band;
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unsigned int ssi_overrun;
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unsigned int ssi_trapno;
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int ssi_status;
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int ssi_int;
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unsigned long ssi_ptr;
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unsigned long ssi_utime;
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unsigned long ssi_stime;
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unsigned long ssi_addr;
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unsigned short ssi_addr_lsb;
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char __pad[46];
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};
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#define SIGHUP 1
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#define SIGINT 2
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#define SIGQUIT 3
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#define SIGILL 4
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#define SIGTRAP 5
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#define SIGABRT 6
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#define SIGIOT 6
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#define SIGBUS 7
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#define SIGFPE 8
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#define SIGKILL 9
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#define SIGUSR1 10
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#define SIGSEGV 11
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#define SIGUSR2 12
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#define SIGPIPE 13
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#define SIGALRM 14
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#define SIGTERM 15
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#define SIGSTKFLT 16
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#define SIGCHLD 17
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#define SIGCONT 18
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#define SIGSTOP 19
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#define SIGTSTP 20
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#define SIGTTIN 21
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#define SIGTTOU 22
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#define SIGURG 23
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#define SIGXCPU 24
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#define SIGXFSZ 25
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#define SIGVTALRM 26
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#define SIGPROF 27
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#define SIGWINCH 28
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#define SIGIO 29
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#define SIGPOLL SIGIO
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#define SIGPWR 30
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#define SIGSYS 31
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#define SIGUNUSED 31
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#define SIGRTMIN 32
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#define PTRACE_EVENT_EXEC 4
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#endif /*__HEADER_X86_COMMON_SIGNAL_H*/
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