#ifndef _SIGNAL_H
#define _SIGNAL_H
#include <sys/cdefs.h>
__BEGIN_DECLS
#define __WANT_POSIX1B_SIGNALS__
#include <sys/types.h>
#include <endian.h>
#define NSIG 32
#ifdef __mips__
#define _NSIG 128
#else
#define _NSIG 65
#endif
#define SIGHUP 1
#define SIGINT 2
#define SIGQUIT 3
#define SIGILL 4
#define SIGTRAP 5
#define SIGABRT 6
#define SIGIOT 6
#define SIGFPE 8
#define SIGKILL 9
#define SIGSEGV 11
#define SIGPIPE 13
#define SIGALRM 14
#define SIGTERM 15
#define SIGUNUSED 31
#if defined(__i386__) || defined(__x86_64__) || defined(__powerpc__) || defined(__arm__) \
|| defined(__s390__) || defined(__ia64__) || defined(__powerpc64__) || defined(__aarch64__)
#define SIGBUS 7
#define SIGUSR1 10
#define SIGUSR2 12
#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 SIGPWR 30
#define SIGSYS 31
#elif defined(__alpha__) || defined(__sparc__)
#define SIGEMT 7
#define SIGBUS 10
#define SIGSYS 12
#define SIGURG 16
#define SIGSTOP 17
#define SIGTSTP 18
#define SIGCONT 19
#define SIGCHLD 20
#define SIGTTIN 21
#define SIGTTOU 22
#define SIGIO 23
#define SIGXCPU 24
#define SIGXFSZ 25
#define SIGVTALRM 26
#define SIGPROF 27
#define SIGWINCH 28
#define SIGPWR 29
#define SIGUSR1 30
#define SIGUSR2 31
#if defined(__alpha__)
#define SIGINFO SIGPWR
#endif
#elif defined(__mips__)
#define SIGEMT 7
#define SIGBUS 10
#define SIGSYS 12
#define SIGUSR1 16
#define SIGUSR2 17
#define SIGCHLD 18
#define SIGPWR 19
#define SIGWINCH 20
#define SIGURG 21
#define SIGIO 22
#define SIGSTOP 23
#define SIGTSTP 24
#define SIGCONT 25
#define SIGTTIN 26
#define SIGTTOU 27
#define SIGVTALRM 28
#define SIGPROF 29
#define SIGXCPU 30
#define SIGXFSZ 31
#elif defined(__hppa__)
#define SIGSTKFLT 7
#define SIGBUS 10
#define SIGXCPU 12
#define SIGUSR1 16
#define SIGUSR2 17
#define SIGCHLD 18
#define SIGPWR 19
#define SIGVTALRM 20
#define SIGPROF 21
#define SIGIO 22
#define SIGWINCH 23
#define SIGSTOP 24
#define SIGTSTP 25
#define SIGCONT 26
#define SIGTTIN 27
#define SIGTTOU 28
#define SIGURG 29
#define SIGXFSZ 30
#define SIGUNUSED 31
#define SIGRESERVE SIGUNUSED
#define SIGSYS 31
#else
#error signal layout not yet known
#endif
#define SIGCLD SIGCHLD
#define SIGPOLL SIGIO
/* These should not be considered constants from userland. */
#define SIGLOST SIGPWR
#define SIGRTMIN 32
#define SIGRTMAX (_NSIG-1)
/* SA_FLAGS values: */
#if defined(__alpha__)
#define SA_ONSTACK 0x00000001
#define SA_RESTART 0x00000002
#define SA_NOCLDSTOP 0x00000004
#define SA_NODEFER 0x00000008
#define SA_RESETHAND 0x00000010
#define SA_NOCLDWAIT 0x00000020 /* not supported yet */
#define SA_SIGINFO 0x00000040
#define SA_INTERRUPT 0x20000000 /* dummy -- ignored */
#elif defined(__hppa__)
#define SA_ONSTACK 0x00000001
#define SA_RESETHAND 0x00000004
#define SA_NOCLDSTOP 0x00000008
#define SA_SIGINFO 0x00000010
#define SA_NODEFER 0x00000020
#define SA_RESTART 0x00000040
#define SA_NOCLDWAIT 0x00000080 /* not supported yet */
#define _SA_SIGGFAULT 0x00000100 /* HPUX */
#define SA_INTERRUPT 0x20000000 /* dummy -- ignored */
#define SA_RESTORER 0x04000000 /* obsolete -- ignored */
#elif defined (__sparc__)
#define SV_SSTACK 1 /* This signal handler should use sig-stack */
#define SV_INTR 2 /* Sig return should not restart system call */
#define SV_RESET 4 /* Set handler to SIG_DFL upon taken signal */
#define SV_IGNCHILD 8 /* Do not send SIGCHLD */
#define SA_NOCLDSTOP SV_IGNCHILD
#define SA_STACK SV_SSTACK
#define SA_ONSTACK SV_SSTACK
#define SA_RESTART SV_INTR
#define SA_RESETHAND SV_RESET
#define SA_INTERRUPT 0x10
#define SA_NODEFER 0x20
#define SA_SHIRQ 0x40
#define SA_NOCLDWAIT 0x100 /* not supported yet */
#define SA_SIGINFO 0x200
#else
#if defined (__mips__)
#define SA_NOCLDSTOP 0x00000001
#define SA_SIGINFO 0x00000008
#define SA_NOCLDWAIT 0x00010000 /* Not supported yet */
#else
#define SA_NOCLDSTOP 0x00000001
#define SA_NOCLDWAIT 0x00000002 /* not supported yet */
#define SA_SIGINFO 0x00000004
#endif
#if defined(__arm__)
#define SA_THIRTYTWO 0x02000000
#endif
#define SA_RESTORER 0x04000000
#define SA_ONSTACK 0x08000000
#define SA_RESTART 0x10000000
#define SA_INTERRUPT 0x20000000 /* dummy -- ignored */
#define SA_NODEFER 0x40000000
#define SA_RESETHAND 0x80000000
#endif
/* ugh, historic Linux legacy, for gpm :-( */
#define SA_NOMASK SA_NODEFER
#define SA_ONESHOT SA_RESETHAND
/* sigaltstack controls */
#define SS_ONSTACK 1
#define SS_DISABLE 2
#define MINSIGSTKSZ 2048
#define SIGSTKSZ 8192
#if defined(__sparc__)
#define SIG_BLOCK 1
#define SIG_UNBLOCK 2
#define SIG_SETMASK 4
#elif defined(__alpha__) || defined(__mips__)
#define SIG_BLOCK 1
#define SIG_UNBLOCK 2
#define SIG_SETMASK 3
#else
#define SIG_BLOCK 0 /* for blocking signals */
#define SIG_UNBLOCK 1 /* for unblocking signals */
#define SIG_SETMASK 2 /* for setting the signal mask */
#endif
typedef int sig_atomic_t;
typedef void (*sighandler_t)(int);
#ifdef _BSD_SOURCE
typedef sighandler_t sig_t;
#endif
#ifdef _GNU_SOURCE
typedef sighandler_t __sighandler_t; /* shoot the glibc people! */
#endif
#define SIG_DFL ((sighandler_t)0L) /* default signal handling */
#define SIG_IGN ((sighandler_t)1L) /* ignore signal */
#define SIG_ERR ((sighandler_t)-1L) /* error return from signal */
typedef union sigval {
int sival_int;
void *sival_ptr;
} sigval_t;
#define SI_MAX_SIZE 128
#if __WORDSIZE == 64
#define SI_PAD_SIZE ((SI_MAX_SIZE/sizeof(int32_t)) - 4)
#else
#define SI_PAD_SIZE ((SI_MAX_SIZE/sizeof(int32_t)) - 3)
#endif
#ifdef __sparc_v9__
typedef int32_t __band_t;
#else
typedef long __band_t;
#endif
typedef struct siginfo {
int32_t si_signo;
int32_t si_errno;
int32_t si_code;
union {
int32_t _pad[SI_PAD_SIZE];
/* kill() */
struct {
pid_t _pid; /* sender's pid */
uid_t _uid; /* sender's uid */
} _kill;
/* POSIX.1b timers */
struct {
uint32_t _timer1;
uint32_t _timer2;
} _timer;
/* POSIX.1b signals */
struct {
pid_t _pid; /* sender's pid */
uid_t _uid; /* sender's uid */
sigval_t _sigval;
} _rt;
/* SIGCHLD */
struct {
pid_t _pid; /* which child */
uid_t _uid; /* sender's uid */
int32_t _status; /* exit code */
clock_t _utime;
clock_t _stime;
} _sigchld;
/* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
struct {
void *_addr; /* faulting insn/memory ref. */
} _sigfault;
/* SIGPOLL */
struct {
__band_t _band; /* POLL_IN, POLL_OUT, POLL_MSG */
int32_t _fd;
} _sigpoll;
} _sifields;
} siginfo_t;
/*
* How these fields are to be accessed.
*/
#define si_pid _sifields._kill._pid
#define si_uid _sifields._kill._uid
#define si_status _sifields._sigchld._status
#define si_utime _sifields._sigchld._utime
#define si_stime _sifields._sigchld._stime
#define si_value _sifields._rt._sigval
#define si_int _sifields._rt._sigval.sival_int
#define si_ptr _sifields._rt._sigval.sival_ptr
#define si_addr _sifields._sigfault._addr
#define si_band _sifields._sigpoll._band
#define si_fd _sifields._sigpoll._fd
/* Values for `si_code'. Positive values are reserved for kernel-generated
signals. */
enum {
SI_ASYNCNL = -6, /* Sent by asynch name lookup completion. */
# define SI_ASYNCNL SI_ASYNCNL
SI_SIGIO, /* Sent by queued SIGIO. */
# define SI_SIGIO SI_SIGIO
SI_ASYNCIO, /* Sent by AIO completion. */
# define SI_ASYNCIO SI_ASYNCIO
SI_MESGQ, /* Sent by real time mesq state change. */
# define SI_MESGQ SI_MESGQ
SI_TIMER, /* Sent by timer expiration. */
# define SI_TIMER SI_TIMER
SI_QUEUE, /* Sent by sigqueue. */
# define SI_QUEUE SI_QUEUE
SI_USER, /* Sent by kill, sigsend, raise. */
# define SI_USER SI_USER
SI_KERNEL = 0x80 /* Send by kernel. */
#define SI_KERNEL SI_KERNEL
};
/* `si_code' values for SIGILL signal. */
enum {
ILL_ILLOPC = 1, /* Illegal opcode. */
# define ILL_ILLOPC ILL_ILLOPC
ILL_ILLOPN, /* Illegal operand. */
# define ILL_ILLOPN ILL_ILLOPN
ILL_ILLADR, /* Illegal addressing mode. */
# define ILL_ILLADR ILL_ILLADR
ILL_ILLTRP, /* Illegal trap. */
# define ILL_ILLTRP ILL_ILLTRP
ILL_PRVOPC, /* Privileged opcode. */
# define ILL_PRVOPC ILL_PRVOPC
ILL_PRVREG, /* Privileged register. */
# define ILL_PRVREG ILL_PRVREG
ILL_COPROC, /* Coprocessor error. */
# define ILL_COPROC ILL_COPROC
ILL_BADSTK /* Internal stack error. */
# define ILL_BADSTK ILL_BADSTK
};
/* `si_code' values for SIGFPE signal. */
enum {
FPE_INTDIV = 1, /* Integer divide by zero. */
# define FPE_INTDIV FPE_INTDIV
FPE_INTOVF, /* Integer overflow. */
# define FPE_INTOVF FPE_INTOVF
FPE_FLTDIV, /* Floating point divide by zero. */
# define FPE_FLTDIV FPE_FLTDIV
FPE_FLTOVF, /* Floating point overflow. */
# define FPE_FLTOVF FPE_FLTOVF
FPE_FLTUND, /* Floating point underflow. */
# define FPE_FLTUND FPE_FLTUND
FPE_FLTRES, /* Floating point inexact result. */
# define FPE_FLTRES FPE_FLTRES
FPE_FLTINV, /* Floating point invalid operation. */
# define FPE_FLTINV FPE_FLTINV
FPE_FLTSUB /* Subscript out of range. */
# define FPE_FLTSUB FPE_FLTSUB
};
/* `si_code' values for SIGSEGV signal. */
enum {
SEGV_MAPERR = 1, /* Address not mapped to object. */
# define SEGV_MAPERR SEGV_MAPERR
SEGV_ACCERR /* Invalid permissions for mapped object. */
# define SEGV_ACCERR SEGV_ACCERR
};
/* `si_code' values for SIGBUS signal. */
enum {
BUS_ADRALN = 1, /* Invalid address alignment. */
# define BUS_ADRALN BUS_ADRALN
BUS_ADRERR, /* Non-existant physical address. */
# define BUS_ADRERR BUS_ADRERR
BUS_OBJERR /* Object specific hardware error. */
# define BUS_OBJERR BUS_OBJERR
};
/* `si_code' values for SIGTRAP signal. */
enum {
TRAP_BRKPT = 1, /* Process breakpoint. */
# define TRAP_BRKPT TRAP_BRKPT
TRAP_TRACE /* Process trace trap. */
# define TRAP_TRACE TRAP_TRACE
};
/* `si_code' values for SIGCHLD signal. */
enum {
CLD_EXITED = 1, /* Child has exited. */
# define CLD_EXITED CLD_EXITED
CLD_KILLED, /* Child was killed. */
# define CLD_KILLED CLD_KILLED
CLD_DUMPED, /* Child terminated abnormally. */
# define CLD_DUMPED CLD_DUMPED
CLD_TRAPPED, /* Traced child has trapped. */
# define CLD_TRAPPED CLD_TRAPPED
CLD_STOPPED, /* Child has stopped. */
# define CLD_STOPPED CLD_STOPPED
CLD_CONTINUED /* Stopped child has continued. */
# define CLD_CONTINUED CLD_CONTINUED
};
/* `si_code' values for SIGPOLL signal. */
enum {
POLL_IN = 1, /* Data input available. */
# define POLL_IN POLL_IN
POLL_OUT, /* Output buffers available. */
# define POLL_OUT POLL_OUT
POLL_MSG, /* Input message available. */
# define POLL_MSG POLL_MSG
POLL_ERR, /* I/O error. */
# define POLL_ERR POLL_ERR
POLL_PRI, /* High priority input available. */
# define POLL_PRI POLL_PRI
POLL_HUP /* Device disconnected. */
# define POLL_HUP POLL_HUP
};
#define _SIGSET_WORDS (1024 / (8 * sizeof (unsigned long int)))
typedef struct {
unsigned long sig[_SIGSET_WORDS];
} sigset_t;
struct sigaction {
#if defined(__alpha__) || defined(__ia64__) || defined(__hppa__)
union {
sighandler_t _sa_handler;
void (*_sa_sigaction)(int, siginfo_t*, void*);
} _u;
unsigned long sa_flags;
sigset_t sa_mask;
#elif defined(__mips__)
unsigned long sa_flags;
union {
sighandler_t _sa_handler;
void (*_sa_sigaction)(int, siginfo_t*, void*);
} _u;
sigset_t sa_mask;
void (*sa_restorer)(void);
int32_t sa_resv[1];
#else /* arm, i386, ppc, s390, sparc, saprc64, x86_64 */
union {
sighandler_t _sa_handler;
void (*_sa_sigaction)(int, siginfo_t*, void*);
} _u;
unsigned long sa_flags;
void (*sa_restorer)(void);
sigset_t sa_mask;
#endif
};
#define sa_handler _u._sa_handler
#define sa_sigaction _u._sa_sigaction
#define SIGEV_SIGNAL 0 /* notify via signal */
#define SIGEV_NONE 1 /* other notification: meaningless */
#define SIGEV_THREAD 2 /* deliver via thread creation */
#define SIGEV_THREAD_ID 4 /* deliver to thread */
#define SIGEV_MAX_SIZE 64
#ifndef SIGEV_PAD_SIZE
#define SIGEV_PAD_SIZE ((SIGEV_MAX_SIZE/sizeof(int32_t)) - 3)
#endif
typedef struct sigevent {
sigval_t sigev_value;
int32_t sigev_signo;
int32_t sigev_notify;
union {
int32_t _pad[SIGEV_PAD_SIZE];
int32_t _tid;
struct {
void(*_function)(sigval_t);
void*_attribute; /* really pthread_attr_t */
} _sigev_thread;
} _sigev_un;
} sigevent_t;
#define sigev_notify_function _sigev_un._sigev_thread._function
#define sigev_notify_attributes _sigev_un._sigev_thread._attribute
#define sigev_notify_thread_id _sigev_un._tid
typedef struct sigaltstack {
#if defined(__mips__)
void *ss_sp;
size_t ss_size;
int32_t ss_flags;
#else
void *ss_sp;
int32_t ss_flags;
size_t ss_size;
#endif
} stack_t;
int sigaltstack(const struct sigaltstack *newstack, struct sigaltstack *oldstack) __THROW;
int sigemptyset(sigset_t *set) __THROW;
int sigfillset(sigset_t *set) __THROW;
int sigaddset(sigset_t *set, int signum) __THROW;
int sigdelset(sigset_t *set, int signum) __THROW;
int sigismember(const sigset_t *set, int signo) __THROW;
int sigsuspend(const sigset_t *mask) __THROW;
int sigpending(sigset_t *set) __THROW;
int sigprocmask(int how, const sigset_t *set, sigset_t *oldset) __THROW;
#ifdef _GNU_SOURCE
int sigisemptyset(const sigset_t *set) __THROW __pure;
int sigorset(sigset_t *set, const sigset_t *left, const sigset_t *right) __THROW;
int sigandset(sigset_t *set, const sigset_t *left, const sigset_t *right) __THROW;
#endif
sighandler_t signal(int signum, sighandler_t action);
int raise (int sig) __THROW;
int kill(pid_t pid, int sig) __THROW;
int sigaction(int signum, const struct sigaction *act, struct sigaction *oldact) __THROW;
#include <sys/time.h>
int sigtimedwait(const sigset_t *mask, siginfo_t *info, const struct timespec *ts) __THROW;
int sigqueueinfo(pid_t pid, int sig, siginfo_t *info) __THROW;
int siginterrupt(int sig, int flag) __THROW;
int killpg(pid_t pgrp, int sig) __THROW;
/* 0 is OK ! kernel puts in MAX_THREAD_TIMEOUT :) */
#define sigwaitinfo(m, i) sigtimedwait((m),(i),0)
int sigwait(const sigset_t* set,int* sig) __THROW;
extern const char *const* sys_siglist;
#include <sys/ucontext.h>
__END_DECLS
#endif
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