Preview: siginfo_t.h
Size: 3.80 KB
//usr/include/bits/types/siginfo_t.h
#ifndef __siginfo_t_defined
#define __siginfo_t_defined 1
#include <bits/wordsize.h>
#include <bits/types.h>
#include <bits/types/__sigval_t.h>
#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
/* Some fields of siginfo_t have architecture-specific variations. */
#include <bits/siginfo-arch.h>
#ifndef __SI_ALIGNMENT
# define __SI_ALIGNMENT /* nothing */
#endif
#ifndef __SI_BAND_TYPE
# define __SI_BAND_TYPE long int
#endif
#ifndef __SI_CLOCK_T
# define __SI_CLOCK_T __clock_t
#endif
#ifndef __SI_ERRNO_THEN_CODE
# define __SI_ERRNO_THEN_CODE 1
#endif
#ifndef __SI_HAVE_SIGSYS
# define __SI_HAVE_SIGSYS 1
#endif
#ifndef __SI_SIGFAULT_ADDL
# define __SI_SIGFAULT_ADDL /* nothing */
#endif
typedef struct
{
int si_signo; /* Signal number. */
#if __SI_ERRNO_THEN_CODE
int si_errno; /* If non-zero, an errno value associated with
this signal, as defined in <errno.h>. */
int si_code; /* Signal code. */
#else
int si_code;
int si_errno;
#endif
#if __WORDSIZE == 64
int __pad0; /* Explicit padding. */
#endif
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. */
__SI_CLOCK_T si_utime;
__SI_CLOCK_T si_stime;
} _sigchld;
/* SIGILL, SIGFPE, SIGSEGV, SIGBUS. */
struct
{
void *si_addr; /* Faulting insn/memory ref. */
__SI_SIGFAULT_ADDL
short int si_addr_lsb; /* Valid LSB of the reported address. */
union
{
/* used when si_code=SEGV_BNDERR */
struct
{
void *_lower;
void *_upper;
} _addr_bnd;
/* used when si_code=SEGV_PKUERR */
__uint32_t _pkey;
} _bounds;
} _sigfault;
/* SIGPOLL. */
struct
{
__SI_BAND_TYPE si_band; /* Band event for SIGPOLL. */
int si_fd;
} _sigpoll;
/* SIGSYS. */
#if __SI_HAVE_SIGSYS
struct
{
void *_call_addr; /* Calling user insn. */
int _syscall; /* Triggering system call number. */
unsigned int _arch; /* AUDIT_ARCH_* of syscall. */
} _sigsys;
#endif
} _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._bounds._addr_bnd._lower
#define si_upper _sifields._sigfault._bounds._addr_bnd._upper
#define si_pkey _sifields._sigfault._bounds._pkey
#define si_band _sifields._sigpoll.si_band
#define si_fd _sifields._sigpoll.si_fd
#if __SI_HAVE_SIGSYS
# define si_call_addr _sifields._sigsys._call_addr
# define si_syscall _sifields._sigsys._syscall
# define si_arch _sifields._sigsys._arch
#endif
#endif
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