mirror of https://github.com/Wind4/vlmcsd
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
361 lines
10 KiB
C
361 lines
10 KiB
C
8 years ago
|
/* siginfo_t, sigevent and constants. Linux x86-64 version.
|
||
|
Copyright (C) 2012-2016 Free Software Foundation, Inc.
|
||
|
This file is part of the GNU C Library.
|
||
|
|
||
|
The GNU C Library is free software; you can redistribute it and/or
|
||
|
modify it under the terms of the GNU Lesser General Public
|
||
|
License as published by the Free Software Foundation; either
|
||
|
version 2.1 of the License, or (at your option) any later version.
|
||
|
|
||
|
The GNU C Library is distributed in the hope that it will be useful,
|
||
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||
|
Lesser General Public License for more details.
|
||
|
|
||
|
You should have received a copy of the GNU Lesser General Public
|
||
|
License along with the GNU C Library; if not, see
|
||
|
<http://www.gnu.org/licenses/>. */
|
||
|
|
||
|
#if !defined _SIGNAL_H && !defined __need_siginfo_t \
|
||
|
&& !defined __need_sigevent_t
|
||
|
# error "Never include this file directly. Use <signal.h> instead"
|
||
|
#endif
|
||
|
|
||
|
#include <bits/wordsize.h>
|
||
|
|
||
|
#if (!defined __have_sigval_t \
|
||
|
&& (defined _SIGNAL_H || defined __need_siginfo_t \
|
||
|
|| defined __need_sigevent_t))
|
||
|
# define __have_sigval_t 1
|
||
|
|
||
|
/* Type for data associated with a signal. */
|
||
|
typedef union sigval
|
||
|
{
|
||
|
int sival_int;
|
||
|
void *sival_ptr;
|
||
|
} sigval_t;
|
||
|
#endif
|
||
|
|
||
|
#if (!defined __have_siginfo_t \
|
||
|
&& (defined _SIGNAL_H || defined __need_siginfo_t))
|
||
|
# define __have_siginfo_t 1
|
||
|
|
||
|
# define __SI_MAX_SIZE 128
|
||
|
# if __WORDSIZE == 64
|
||
|
# define __SI_PAD_SIZE ((__SI_MAX_SIZE / sizeof (int)) - 4)
|
||
|
# else
|
||
|
# define __SI_PAD_SIZE ((__SI_MAX_SIZE / sizeof (int)) - 3)
|
||
|
# endif
|
||
|
|
||
|
# if defined __x86_64__ && __WORDSIZE == 32
|
||
|
/* si_utime and si_stime must be 4 byte aligned for x32 to match the
|
||
|
kernel. We align siginfo_t to 8 bytes so that si_utime and si_stime
|
||
|
are actually aligned to 8 bytes since their offsets are multiple of
|
||
|
8 bytes. */
|
||
|
typedef __clock_t __attribute__ ((__aligned__ (4))) __sigchld_clock_t;
|
||
|
# define __SI_ALIGNMENT __attribute__ ((__aligned__ (8)))
|
||
|
# else
|
||
|
typedef __clock_t __sigchld_clock_t;
|
||
|
# define __SI_ALIGNMENT
|
||
|
# endif
|
||
|
|
||
|
typedef struct
|
||
|
{
|
||
|
int si_signo; /* Signal number. */
|
||
|
int si_errno; /* If non-zero, an errno value associated with
|
||
|
this signal, as defined in <errno.h>. */
|
||
|
int si_code; /* Signal code. */
|
||
|
|
||
|
union
|
||
|
{
|
||
|
int _pad[__SI_PAD_SIZE];
|
||
|
|
||
|
/* kill(). */
|
||
|
struct
|
||
|
{
|
||
|
__pid_t si_pid; /* Sending process ID. */
|
||
|
__uid_t si_uid; /* Real user ID of sending process. */
|
||
|
} _kill;
|
||
|
|
||
|
/* POSIX.1b timers. */
|
||
|
struct
|
||
|
{
|
||
|
int si_tid; /* Timer ID. */
|
||
|
int si_overrun; /* Overrun count. */
|
||
|
sigval_t si_sigval; /* Signal value. */
|
||
|
} _timer;
|
||
|
|
||
|
/* POSIX.1b signals. */
|
||
|
struct
|
||
|
{
|
||
|
__pid_t si_pid; /* Sending process ID. */
|
||
|
__uid_t si_uid; /* Real user ID of sending process. */
|
||
|
sigval_t si_sigval; /* Signal value. */
|
||
|
} _rt;
|
||
|
|
||
|
/* SIGCHLD. */
|
||
|
struct
|
||
|
{
|
||
|
__pid_t si_pid; /* Which child. */
|
||
|
__uid_t si_uid; /* Real user ID of sending process. */
|
||
|
int si_status; /* Exit value or signal. */
|
||
|
__sigchld_clock_t si_utime;
|
||
|
__sigchld_clock_t si_stime;
|
||
|
} _sigchld;
|
||
|
|
||
|
/* SIGILL, SIGFPE, SIGSEGV, SIGBUS. */
|
||
|
struct
|
||
|
{
|
||
|
void *si_addr; /* Faulting insn/memory ref. */
|
||
|
short int si_addr_lsb; /* Valid LSB of the reported address. */
|
||
|
struct
|
||
|
{
|
||
|
void *_lower;
|
||
|
void *_upper;
|
||
|
} si_addr_bnd;
|
||
|
} _sigfault;
|
||
|
|
||
|
/* SIGPOLL. */
|
||
|
struct
|
||
|
{
|
||
|
long int si_band; /* Band event for SIGPOLL. */
|
||
|
int si_fd;
|
||
|
} _sigpoll;
|
||
|
|
||
|
/* SIGSYS. */
|
||
|
struct
|
||
|
{
|
||
|
void *_call_addr; /* Calling user insn. */
|
||
|
int _syscall; /* Triggering system call number. */
|
||
|
unsigned int _arch; /* AUDIT_ARCH_* of syscall. */
|
||
|
} _sigsys;
|
||
|
} _sifields;
|
||
|
} siginfo_t __SI_ALIGNMENT;
|
||
|
|
||
|
|
||
|
/* X/Open requires some more fields with fixed names. */
|
||
|
# define si_pid _sifields._kill.si_pid
|
||
|
# define si_uid _sifields._kill.si_uid
|
||
|
# define si_timerid _sifields._timer.si_tid
|
||
|
# define si_overrun _sifields._timer.si_overrun
|
||
|
# define si_status _sifields._sigchld.si_status
|
||
|
# define si_utime _sifields._sigchld.si_utime
|
||
|
# define si_stime _sifields._sigchld.si_stime
|
||
|
# define si_value _sifields._rt.si_sigval
|
||
|
# define si_int _sifields._rt.si_sigval.sival_int
|
||
|
# define si_ptr _sifields._rt.si_sigval.sival_ptr
|
||
|
# define si_addr _sifields._sigfault.si_addr
|
||
|
# define si_addr_lsb _sifields._sigfault.si_addr_lsb
|
||
|
# define si_lower _sifields._sigfault.si_addr_bnd._lower
|
||
|
# define si_upper _sifields._sigfault.si_addr_bnd._upper
|
||
|
# define si_band _sifields._sigpoll.si_band
|
||
|
# define si_fd _sifields._sigpoll.si_fd
|
||
|
# define si_call_addr _sifields._sigsys._call_addr
|
||
|
# define si_syscall _sifields._sigsys._syscall
|
||
|
# define si_arch _sifields._sigsys._arch
|
||
|
|
||
|
|
||
|
/* Values for `si_code'. Positive values are reserved for kernel-generated
|
||
|
signals. */
|
||
|
enum
|
||
|
{
|
||
|
SI_ASYNCNL = -60, /* Sent by asynch name lookup completion. */
|
||
|
# define SI_ASYNCNL SI_ASYNCNL
|
||
|
SI_TKILL = -6, /* Sent by tkill. */
|
||
|
# define SI_TKILL SI_TKILL
|
||
|
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. */
|
||
|
# define SI_USER SI_USER
|
||
|
SI_KERNEL = 0x80 /* Send by kernel. */
|
||
|
#define SI_KERNEL SI_KERNEL
|
||
|
};
|
||
|
|
||
|
|
||
|
# if defined __USE_XOPEN_EXTENDED || defined __USE_XOPEN2K8
|
||
|
/* `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
|
||
|
BUS_MCEERR_AR, /* Hardware memory error: action required. */
|
||
|
# define BUS_MCEERR_AR BUS_MCEERR_AR
|
||
|
BUS_MCEERR_AO /* Hardware memory error: action optional. */
|
||
|
# define BUS_MCEERR_AO BUS_MCEERR_AO
|
||
|
};
|
||
|
# endif
|
||
|
|
||
|
# ifdef __USE_XOPEN_EXTENDED
|
||
|
/* `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
|
||
|
};
|
||
|
# endif
|
||
|
|
||
|
# if defined __USE_XOPEN_EXTENDED || defined __USE_XOPEN2K8
|
||
|
/* `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
|
||
|
};
|
||
|
# endif
|
||
|
|
||
|
# undef __need_siginfo_t
|
||
|
#endif /* !have siginfo_t && (have _SIGNAL_H || need siginfo_t). */
|
||
|
|
||
|
|
||
|
#if (defined _SIGNAL_H || defined __need_sigevent_t) \
|
||
|
&& !defined __have_sigevent_t
|
||
|
# define __have_sigevent_t 1
|
||
|
|
||
|
/* Structure to transport application-defined values with signals. */
|
||
|
# define __SIGEV_MAX_SIZE 64
|
||
|
# if __WORDSIZE == 64
|
||
|
# define __SIGEV_PAD_SIZE ((__SIGEV_MAX_SIZE / sizeof (int)) - 4)
|
||
|
# else
|
||
|
# define __SIGEV_PAD_SIZE ((__SIGEV_MAX_SIZE / sizeof (int)) - 3)
|
||
|
# endif
|
||
|
|
||
|
/* Forward declaration. */
|
||
|
# ifndef __have_pthread_attr_t
|
||
|
typedef union pthread_attr_t pthread_attr_t;
|
||
|
# define __have_pthread_attr_t 1
|
||
|
# endif
|
||
|
|
||
|
typedef struct sigevent
|
||
|
{
|
||
|
sigval_t sigev_value;
|
||
|
int sigev_signo;
|
||
|
int sigev_notify;
|
||
|
|
||
|
union
|
||
|
{
|
||
|
int _pad[__SIGEV_PAD_SIZE];
|
||
|
|
||
|
/* When SIGEV_SIGNAL and SIGEV_THREAD_ID set, LWP ID of the
|
||
|
thread to receive the signal. */
|
||
|
__pid_t _tid;
|
||
|
|
||
|
struct
|
||
|
{
|
||
|
void (*_function) (sigval_t); /* Function to start. */
|
||
|
pthread_attr_t *_attribute; /* Thread attributes. */
|
||
|
} _sigev_thread;
|
||
|
} _sigev_un;
|
||
|
} sigevent_t;
|
||
|
|
||
|
/* POSIX names to access some of the members. */
|
||
|
# define sigev_notify_function _sigev_un._sigev_thread._function
|
||
|
# define sigev_notify_attributes _sigev_un._sigev_thread._attribute
|
||
|
|
||
|
/* `sigev_notify' values. */
|
||
|
enum
|
||
|
{
|
||
|
SIGEV_SIGNAL = 0, /* Notify via signal. */
|
||
|
# define SIGEV_SIGNAL SIGEV_SIGNAL
|
||
|
SIGEV_NONE, /* Other notification: meaningless. */
|
||
|
# define SIGEV_NONE SIGEV_NONE
|
||
|
SIGEV_THREAD, /* Deliver via thread creation. */
|
||
|
# define SIGEV_THREAD SIGEV_THREAD
|
||
|
|
||
|
SIGEV_THREAD_ID = 4 /* Send signal to specific thread. */
|
||
|
#define SIGEV_THREAD_ID SIGEV_THREAD_ID
|
||
|
};
|
||
|
|
||
|
#endif /* have _SIGNAL_H. */
|