Файл errno.h

Обработка причин ошибок в библиотечных функциях. Подробнее...

Макросы
#define	errno   (*p_errno ())

Функции
int *	p_errno ()
	Адрес переменной errno для каждой задачи / потока.

Коды ошибок
#define	E2BIG   7
#define	EACCES   13
#define	EADDRINUSE   98
#define	EADDRNOTAVAIL   99
#define	EADV   68
#define	EAFNOSUPPORT   97
#define	EAGAIN   11
#define	EALREADY   114
#define	EBADE   52
#define	EBADF   9
#define	EBADFD   77
#define	EBADMSG   74
#define	EBADR   53
#define	EBADRQC   56
#define	EBADSLT   57
#define	EBFONT   59
#define	EBUSY   16
#define	ECANCELED   125
#define	ECHILD   10
#define	ECHRNG   44
#define	ECOMM   70
#define	ECONNABORTED   103
#define	ECONNREFUSED   111
#define	ECONNRESET   104
#define	EDEADLK   35
#define	EDEADLOCK   EDEADLK
#define	EDESTADDRREQ   89
#define	EDOM   33
#define	EDOTDOT   73
#define	EDQUOT   122
#define	EEXIST   17
#define	EFAULT   14
#define	EFBIG   27
#define	EHOSTDOWN   112
#define	EHOSTUNREACH   113
#define	EHWPOISON   133
#define	EIDRM   43
#define	EILSEQ   84
#define	EINPROGRESS   115
#define	EINTR   4
#define	EINVAL   22
#define	EIO   5
#define	EISCONN   106
#define	EISDIR   21
#define	EISNAM   120
#define	EKEYEXPIRED   127
#define	EKEYREJECTED   129
#define	EKEYREVOKED   128
#define	EL2HLT   51
#define	EL2NSYNC   45
#define	EL3HLT   46
#define	EL3RST   47
#define	ELIBACC   79
#define	ELIBBAD   80
#define	ELIBEXEC   83
#define	ELIBMAX   82
#define	ELIBSCN   81
#define	ELNRNG   48
#define	ELOOP   40
#define	EMEDIUMTYPE   124
#define	EMFILE   24
#define	EMLINK   31
#define	EMSGSIZE   90
#define	EMULTIHOP   72
#define	ENAMETOOLONG   36
#define	ENAVAIL   119
#define	ENETDOWN   100
#define	ENETRESET   102
#define	ENETUNREACH   101
#define	ENFILE   23
#define	ENOANO   55
#define	ENOBUFS   105
#define	ENOCSI   50
#define	ENODATA   61
#define	ENODEV   19
#define	ENOENT   2
#define	ENOEXEC   8
#define	ENOKEY   126
#define	ENOLCK   37
#define	ENOLINK   67
#define	ENOMEDIUM   123
#define	ENOMEM   12
#define	ENOMSG   42
#define	ENONET   64
#define	ENOPKG   65
#define	ENOPROTOOPT   92
#define	ENOSPC   28
#define	ENOSR   63
#define	ENOSTR   60
#define	ENOSYS   38
#define	ENOTBLK   15
#define	ENOTCONN   107
#define	ENOTDIR   20
#define	ENOTEMPTY   39
#define	ENOTNAM   118
#define	ENOTRECOVERABLE   131
#define	ENOTSOCK   88
#define	ENOTSUP   200
#define	ENOTTY   25
#define	ENOTUNIQ   76
#define	ENXIO   6
#define	EOPNOTSUPP   95
#define	EOVERFLOW   75
#define	EOWNERDEAD   130
#define	EPERM   1
#define	EPFNOSUPPORT   96
#define	EPIPE   32
#define	EPROTO   71
#define	EPROTONOSUPPORT   93
#define	EPROTOTYPE   91
#define	ERANGE   34
#define	EREMCHG   78
#define	EREMOTE   66
#define	EREMOTEIO   121
#define	ERESTART   85
#define	ERFKILL   132
#define	EROFS   30
#define	ESHUTDOWN   108
#define	ESOCKTNOSUPPORT   94
#define	ESPIPE   29
#define	ESRCH   3
#define	ESRMNT   69
#define	ESTALE   116
#define	ESTRPIPE   86
#define	ETIME   62
#define	ETIMEDOUT   110
#define	ETOOMANYREFS   109
#define	ETXTBSY   26
#define	EUCLEAN   117
#define	EUNATCH   49
#define	EUSERS   87
#define	EWOULDBLOCK   EAGAIN
#define	EXDEV   18
#define	EXFULL   54

Подробное описание

См. стандарт C11 7.5.

См. также

C11 standard 7.5.

Заметки

В основном используется 'внешними' библиотеками, например, FFMPEG или LIBZ.

Макросы

E2BIG

#define E2BIG   7

Argument list too long

EACCES

#define EACCES   13

Permission denied

EADDRINUSE

#define EADDRINUSE   98

Address already in use

EADDRNOTAVAIL

#define EADDRNOTAVAIL   99

Cannot assign requested address

EADV

#define EADV   68

Advertise error

EAFNOSUPPORT

#define EAFNOSUPPORT   97

Address family not supported by protocol

EAGAIN

#define EAGAIN   11

Try again

EALREADY

#define EALREADY   114

Operation already in progress

EBADE

#define EBADE   52

Invalid exchange

EBADF

#define EBADF   9

Bad file number

EBADFD

#define EBADFD   77

File descriptor in bad state

EBADMSG

#define EBADMSG   74

Not a data message

EBADR

#define EBADR   53

Invalid request descriptor

EBADRQC

#define EBADRQC   56

Invalid request code

EBADSLT

#define EBADSLT   57

Invalid slot

EBFONT

#define EBFONT   59

Bad font file format

EBUSY

#define EBUSY   16

Device or resource busy

ECANCELED

#define ECANCELED   125

Operation Canceled

ECHILD

#define ECHILD   10

No child processes

ECHRNG

#define ECHRNG   44

Channel number out of range

ECOMM

#define ECOMM   70

Communication error on send

ECONNABORTED

#define ECONNABORTED   103

Software caused connection abort

ECONNREFUSED

#define ECONNREFUSED   111

Connection refused

ECONNRESET

#define ECONNRESET   104

Connection reset by peer

EDEADLK

#define EDEADLK   35

Resource deadlock would occur

EDEADLOCK

#define EDEADLOCK   EDEADLK

EDESTADDRREQ

#define EDESTADDRREQ   89

Destination address required

EDOM

#define EDOM   33

Math argument out of domain of func

EDOTDOT

#define EDOTDOT   73

RFS specific error

EDQUOT

#define EDQUOT   122

Quota exceeded

EEXIST

#define EEXIST   17

File exists

EFAULT

#define EFAULT   14

Bad address

EFBIG

#define EFBIG   27

File too large

EHOSTDOWN

#define EHOSTDOWN   112

Host is down

EHOSTUNREACH

#define EHOSTUNREACH   113

No route to host

EHWPOISON

#define EHWPOISON   133

Memory page has hardware error

EIDRM

#define EIDRM   43

Identifier removed

EILSEQ

#define EILSEQ   84

Illegal byte sequence

EINPROGRESS

#define EINPROGRESS   115

Operation now in progress

EINTR

#define EINTR   4

Interrupted system call

EINVAL

#define EINVAL   22

Invalid argument

EIO

#define EIO   5

I/O error

EISCONN

#define EISCONN   106

Transport endpoint is already connected

EISDIR

#define EISDIR   21

Is a directory

EISNAM

#define EISNAM   120

Is a named type file

EKEYEXPIRED

#define EKEYEXPIRED   127

Key has expired

EKEYREJECTED

#define EKEYREJECTED   129

Key was rejected by service

EKEYREVOKED

#define EKEYREVOKED   128

Key has been revoked

EL2HLT

#define EL2HLT   51

Level 2 halted

EL2NSYNC

#define EL2NSYNC   45

Level 2 not synchronized

EL3HLT

#define EL3HLT   46

Level 3 halted

EL3RST

#define EL3RST   47

Level 3 reset

ELIBACC

#define ELIBACC   79

Can not access a needed shared library

ELIBBAD

#define ELIBBAD   80

Accessing a corrupted shared library

ELIBEXEC

#define ELIBEXEC   83

Cannot exec a shared library directly

ELIBMAX

#define ELIBMAX   82

Attempting to link in too many shared libraries

ELIBSCN

#define ELIBSCN   81

.lib section in a.out corrupted

ELNRNG

#define ELNRNG   48

Link number out of range

ELOOP

#define ELOOP   40

Too many symbolic links encountered

EMEDIUMTYPE

#define EMEDIUMTYPE   124

Wrong medium type

EMFILE

#define EMFILE   24

Too many open files

EMLINK

#define EMLINK   31

Too many links

EMSGSIZE

#define EMSGSIZE   90

Message too long

EMULTIHOP

#define EMULTIHOP   72

Multihop attempted

ENAMETOOLONG

#define ENAMETOOLONG   36

File name too long

ENAVAIL

#define ENAVAIL   119

No XENIX semaphores available

ENETDOWN

#define ENETDOWN   100

Network is down

ENETRESET

#define ENETRESET   102

Network dropped connection because of reset

ENETUNREACH

#define ENETUNREACH   101

Network is unreachable

ENFILE

#define ENFILE   23

File table overflow

ENOANO

#define ENOANO   55

No anode

ENOBUFS

#define ENOBUFS   105

No buffer space available

ENOCSI

#define ENOCSI   50

No CSI structure available

ENODATA

#define ENODATA   61

No data available

ENODEV

#define ENODEV   19

No such device

ENOENT

#define ENOENT   2

No such file or directory

ENOEXEC

#define ENOEXEC   8

Exec format error

ENOKEY

#define ENOKEY   126

Required key not available

ENOLCK

#define ENOLCK   37

No record locks available

ENOLINK

#define ENOLINK   67

Link has been severed

ENOMEDIUM

#define ENOMEDIUM   123

No medium found

ENOMEM

#define ENOMEM   12

Out of memory

ENOMSG

#define ENOMSG   42

No message of desired type

ENONET

#define ENONET   64

Machine is not on the network

ENOPKG

#define ENOPKG   65

Package not installed

ENOPROTOOPT

#define ENOPROTOOPT   92

Protocol not available

ENOSPC

#define ENOSPC   28

No space left on device

ENOSR

#define ENOSR   63

Out of streams resources

ENOSTR

#define ENOSTR   60

Device not a stream

ENOSYS

#define ENOSYS   38

Function not implemented

ENOTBLK

#define ENOTBLK   15

Block device required

ENOTCONN

#define ENOTCONN   107

Transport endpoint is not connected

ENOTDIR

#define ENOTDIR   20

Not a directory

ENOTEMPTY

#define ENOTEMPTY   39

Directory not empty

ENOTNAM

#define ENOTNAM   118

Not a XENIX named type file

ENOTRECOVERABLE

#define ENOTRECOVERABLE   131

Robust mutex: State not recoverable

ENOTSOCK

#define ENOTSOCK   88

Socket operation on non-socket

ENOTSUP

#define ENOTSUP   200

ENOTTY

#define ENOTTY   25

Not a typewriter

ENOTUNIQ

#define ENOTUNIQ   76

Name not unique on network

ENXIO

#define ENXIO   6

No such device or address

EOPNOTSUPP

#define EOPNOTSUPP   95

Operation not supported on transport endpoint

EOVERFLOW

#define EOVERFLOW   75

Value too large for defined data type

EOWNERDEAD

#define EOWNERDEAD   130

Robust mutex: Owner died

EPERM

#define EPERM   1

Operation not permitted

EPFNOSUPPORT

#define EPFNOSUPPORT   96

Protocol family not supported

EPIPE

#define EPIPE   32

Broken pipe

EPROTO

#define EPROTO   71

Protocol error

EPROTONOSUPPORT

#define EPROTONOSUPPORT   93

Protocol not supported

EPROTOTYPE

#define EPROTOTYPE   91

Protocol wrong type for socket

ERANGE

#define ERANGE   34

Math result not representable

EREMCHG

#define EREMCHG   78

Remote address changed

EREMOTE

#define EREMOTE   66

Object is remote

EREMOTEIO

#define EREMOTEIO   121

Remote I/O error

ERESTART

#define ERESTART   85

Interrupted system call should be restarted

ERFKILL

#define ERFKILL   132

Operation not possible due to RF-kill

EROFS

#define EROFS   30

Read-only file system

errno

#define errno   (*p_errno ())

Переменная текущей задачи, хранящая в себе код ошибки.

ESHUTDOWN

#define ESHUTDOWN   108

Cannot send after transport endpoint shutdown

ESOCKTNOSUPPORT

#define ESOCKTNOSUPPORT   94

Socket type not supported

ESPIPE

#define ESPIPE   29

Illegal seek

ESRCH

#define ESRCH   3

No such process

ESRMNT

#define ESRMNT   69

Srmount error

ESTALE

#define ESTALE   116

Stale NFS file handle

ESTRPIPE

#define ESTRPIPE   86

Streams pipe error

ETIME

#define ETIME   62

Timer expired

ETIMEDOUT

#define ETIMEDOUT   110

Connection timed out

ETOOMANYREFS

#define ETOOMANYREFS   109

Too many references: cannot splice

ETXTBSY

#define ETXTBSY   26

Text file busy

EUCLEAN

#define EUCLEAN   117

Structure needs cleaning

EUNATCH

#define EUNATCH   49

Protocol driver not attached

EUSERS

#define EUSERS   87

Too many users

EWOULDBLOCK

#define EWOULDBLOCK   EAGAIN

Operation would block

EXDEV

#define EXDEV   18

Cross-device link

EXFULL

#define EXFULL   54

Exchange full

Функции

p_errno()

int * p_errno ( )

inline

Функция определяет на каком ядре выполняется задача и возвращает переменную errno в зависимости от этого.

Возвращает

Указатель на переменную errno.