Error numbers

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< cpp‎ | error

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C++
 
Utilità libreria
Tipo di supporto (basic types, RTTI, type traits)
Gestione della memoria dinamica
La gestione degli errori
Programma di utilità
Funzioni variadic
Data e ora
Funzione oggetti
initializer_list(C++11)
bitset
hash(C++11)
Gli operatori relazionali
Original:
Relational operators
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rel_ops::operator!=
rel_ops::operator>
rel_ops::operator<=
rel_ops::operator>=
Coppie e tuple
Original:
Pairs and tuples
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pair
tuple(C++11)
piecewise_construct_t(C++11)
piecewise_construct(C++11)
Swap, in avanti e spostare
Original:
Swap, forward and move
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swap
forward(C++11)
move(C++11)
move_if_noexcept(C++11)
declval(C++11)
 
La gestione degli errori
Gestione delle eccezioni
Original:
Exception handling
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exception
uncaught_exception
exception_ptr(C++11)
make_exception_ptr(C++11)
current_exception(C++11)
rethrow_exception(C++11)
nested_exception(C++11)
throw_with_nested(C++11)
rethrow_if_nested(C++11)
Gestione delle eccezioni fallimenti
Original:
Exception handling failures
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terminate
terminate_handler
get_terminate(C++11)
set_terminate
unexpected(deprecato)
bad_exception
unexpected_handler(deprecato)
get_unexpected(C++11)(deprecato)
set_unexpected(deprecato)
Eccezione categorie
Original:
Exception categories
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logic_error
invalid_argument
domain_error
length_error
out_of_range
runtime_error
range_error
overflow_error
underflow_error
Codici di errore
Original:
Error codes
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Codici di errore
errno
Asserzioni
Original:
Assertions
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assert
impianto system_error
Original:
system_error facility
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error_category(C++11)
generic_category(C++11)
system_category(C++11)
error_condition(C++11)
errc(C++11)
error_code(C++11)
system_error(C++11)
 
Ciascuna delle macro definite in <cerrno> espande per interi espressioni costanti con int tipo, ciascuna con un valore positivo, la maggior parte della corrispondenza POSIX error codes. Le costanti sono (l'implementazione può definire più, purché cominciare 'E' seguita da cifre o lettere maiuscole)
Original:
Each of the macros defined in <cerrno> expands to integer constant expressions with type int, each with a positive value, matching most of the POSIX error codes. The following constants are defined (the implementation may define more, as long as they begin with 'E' followed by digits or uppercase letters)
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Definizione nell'header <cerrno>
E2BIG
(C++11)
Argomento elenco troppo lungo
Original:
Argument list too long
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(macro costante)
EACCES
(C++11)
Autorizzazione negata
Original:
Permission denied
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(macro costante)
EADDRINUSE
(C++11)
Indirizzo in uso
Original:
Address in use
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(macro costante)
EADDRNOTAVAIL
(C++11)
Indirizzo non disponibile
Original:
Address not available
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(macro costante)
EAFNOSUPPORT
(C++11)
Famiglia di indirizzi non supportata
Original:
Address family not supported
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(macro costante)
EAGAIN
(C++11)
Risorsa non disponibile, riprovare
Original:
Resource unavailable, try again
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(macro costante)
EALREADY
(C++11)
Connessione già in corso
Original:
Connection already in progress
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(macro costante)
EBADF
(C++11)
Descrittore di file non valido
Original:
Bad file descriptor
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(macro costante)
EBADMSG
(C++11)
Messaggio di Bad
Original:
Bad message
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(macro costante)
EBUSY
(C++11)
Dispositivo o risorsa occupata
Original:
Device or resource busy
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(macro costante)
ECANCELED
(C++11)
Operazione annullata
Original:
Operation canceled
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(macro costante)
ECHILD
(C++11)
Nessun bambino processi
Original:
No child processes
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(macro costante)
ECONNABORTED
(C++11)
Collegamento interrotto
Original:
Connection aborted
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(macro costante)
ECONNREFUSED
(C++11)
Connessione rifiutata
Original:
Connection refused
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(macro costante)
ECONNRESET
(C++11)
Connection reset
Original:
Connection reset
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(macro costante)
EDEADLK
(C++11)
Deadlock delle risorse si sarebbe verificato
Original:
Resource deadlock would occur
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(macro costante)
EDESTADDRREQ
(C++11)
Indirizzo di destinazione richiesto
Original:
Destination address required
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(macro costante)
EDOM
Matematica argomento di dominio della funzione
Original:
Mathematics argument out of domain of function
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(macro costante)
EEXIST
(C++11)
Il file esiste
Original:
File exists
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(macro costante)
EFAULT
(C++11)
Indirizzo non valido
Original:
Bad address
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(macro costante)
EFBIG
(C++11)
File troppo grande
Original:
File too large
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(macro costante)
EHOSTUNREACH
(C++11)
Host non è raggiungibile
Original:
Host is unreachable
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(macro costante)
EIDRM
(C++11)
Identificatore rimosso
Original:
Identifier removed
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(macro costante)
EILSEQ
(C++11)
Sequenza di byte non valida
Original:
Illegal byte sequence
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(macro costante)
EINPROGRESS
(C++11)
Operazione in corso
Original:
Operation in progress
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(macro costante)
EINTR
(C++11)
Interrotto funzione
Original:
Interrupted function
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(macro costante)
EINVAL
(C++11)
Argomento non valido
Original:
Invalid argument
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(macro costante)
EIO
(C++11)
Errore di I / O
Original:
I/O error
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(macro costante)
EISCONN
(C++11)
Socket è collegato
Original:
Socket is connected
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(macro costante)
EISDIR
(C++11)
È una directory
Original:
Is a directory
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(macro costante)
ELOOP
(C++11)
Troppi livelli di collegamenti simbolici
Original:
Too many levels of symbolic links
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(macro costante)
EMFILE
(C++11)
File descrittore di valore troppo grande
Original:
File descriptor value too large
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(macro costante)
EMLINK
(C++11)
Troppi collegamenti
Original:
Too many links
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(macro costante)
EMSGSIZE
(C++11)
Messaggio troppo grande
Original:
Message too large
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(macro costante)
ENAMETOOLONG
(C++11)
Nome del file troppo lungo
Original:
Filename too long
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(macro costante)
ENETDOWN
(C++11)
Rete inattiva
Original:
Network is down
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(macro costante)
ENETRESET
(C++11)
Connessione interrotta dalla rete
Original:
Connection aborted by network
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(macro costante)
ENETUNREACH
(C++11)
Rete non raggiungibile
Original:
Network unreachable
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(macro costante)
ENFILE
(C++11)
Troppi file aperti nel sistema
Original:
Too many files open in system
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(macro costante)
ENOBUFS
(C++11)
Nessuno spazio di buffer disponibile
Original:
No buffer space available
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(macro costante)
ENODATA
(C++11)
Nessun messaggio è disponibile nella coda di lettura STREAM testa
Original:
No message is available on the STREAM head read queue
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(macro costante)
ENODEV
(C++11)
No such device
Original:
No such device
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(macro costante)
ENOENT
(C++11)
Nessun file o directory
Original:
No such file or directory
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(macro costante)
ENOEXEC
(C++11)
File eseguibile errore di formato
Original:
Executable file format error
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(macro costante)
ENOLCK
(C++11)
Non blocca disponibile
Original:
No locks available
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(macro costante)
ENOLINK
(C++11)
Il link è stato reciso
Original:
Link has been severed
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(macro costante)
ENOMEM
(C++11)
Non abbastanza spazio
Original:
Not enough space
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(macro costante)
ENOMSG
(C++11)
Nessun messaggio del tipo desiderato
Original:
No message of the desired type
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(macro costante)
ENOPROTOOPT
(C++11)
Protocollo non disponibile
Original:
Protocol not available
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(macro costante)
ENOSPC
(C++11)
Spazio esaurito sul dispositivo
Original:
No space left on device
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(macro costante)
ENOSR
(C++11)
Nessun STREAM risorse
Original:
No STREAM resources
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(macro costante)
ENOSTR
(C++11)
Non un STREAM
Original:
Not a STREAM
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(macro costante)
ENOSYS
(C++11)
Funzione non supportata
Original:
Function not supported
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(macro costante)
ENOTCONN
(C++11)
La presa non è collegata
Original:
The socket is not connected
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(macro costante)
ENOTDIR
(C++11)
Non è una directory
Original:
Not a directory
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(macro costante)
ENOTEMPTY
(C++11)
Directory non vuota
Original:
Directory not empty
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(macro costante)
ENOTRECOVERABLE
(C++11)
Stato non dar luogo a rifusione
Original:
State not recoverable
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(macro costante)
ENOTSOCK
(C++11)
Non è una presa di corrente
Original:
Not a socket
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(macro costante)
ENOTSUP
(C++11)
Non supportato
Original:
Not supported
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(macro costante)
ENOTTY
(C++11)
Inappropriato controllo I / O funzionamento
Original:
Inappropriate I/O control operation
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(macro costante)
ENXIO
(C++11)
No such device o l'indirizzo
Original:
No such device or address
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(macro costante)
EOPNOTSUPP
(C++11)
Operazione non supportata su socket
Original:
Operation not supported on socket
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(macro costante)
EOVERFLOW
(C++11)
Valore troppo grande per essere memorizzato nel tipo di dati
Original:
Value too large to be stored in data type
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(macro costante)
EOWNERDEAD
(C++11)
Proprietario precedente è morto
Original:
Previous owner died
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(macro costante)
EPERM
(C++11)
Operazione non consentita
Original:
Operation not permitted
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(macro costante)
EPIPE
(C++11)
Rotto tubo
Original:
Broken pipe
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(macro costante)
EPROTO
(C++11)
Errore di protocollo
Original:
Protocol error
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(macro costante)
EPROTONOSUPPORT
(C++11)
Protocollo non supportato
Original:
Protocol not supported
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(macro costante)
EPROTOTYPE
(C++11)
Tipo di protocollo errato per il socket
Original:
Protocol wrong type for socket
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(macro costante)
ERANGE
Risultato troppo grande
Original:
Result too large
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(macro costante)
EROFS
(C++11)
Read-only file system
Original:
Read-only file system
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(macro costante)
ESPIPE
(C++11)
Ricerca non valida
Original:
Invalid seek
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(macro costante)
ESRCH
(C++11)
Il processo non è
Original:
No such process
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(macro costante)
ETIME
(C++11)
Flusso ioctl () timeout
Original:
Stream ioctl() timeout
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(macro costante)
ETIMEDOUT
(C++11)
Connessione scaduta
Original:
Connection timed out
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(macro costante)
ETXTBSY
(C++11)
File di testo occupato
Original:
Text file busy
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(macro costante)
EWOULDBLOCK
(C++11)
Operazione verrà bloccata
Original:
Operation would block
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(macro costante)
EXDEV
(C++11)
Cross-dispositivo di collegamento
Original:
Cross-device link
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(macro costante)
Tutti i valori devono essere unica differenza che i valori di EOPNOTSUPPENOTSUP e possono essere identici ed i valori di EAGAINEWOULDBLOCK e possono essere identici
Original:
All values are required to be unique except that the values of EOPNOTSUPP and ENOTSUP may be identical and the values of EAGAIN and EWOULDBLOCK may be identical
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[modifica]Esempio

[edit]
#include <iostream>#include <cmath>#include <cerrno>#include <cstring>   int main(){double not_a_number =std::log(-1.0);if(errno== EDOM){std::cout<<"log(-1) failed: "<<std::strerror(errno)<<'\n';}}

Output: 

log(-1) failed: Numerical argument out of domain

[modifica]Vedi anche

(C++11)
l'enumerazione std::error_condition elenco di tutti gli standard <cerrno> costanti macro
Original:
the std::error_condition enumeration listing all standard <cerrno> macro constants
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(classe)[modifica]
macro che si espande a POSIX thread locale variable
(variabili macro) Numero di errore
Original:
macro which expands to POSIX-compatible thread-local error number variable
(variabili macro)
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[modifica]
visualizza una stringa di caratteri del corrispondente errore di corrente stderr
Original:
displays a character string corresponding of the current error to stderr
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(funzione)[modifica]
restituisce una versione di testo di un codice di errore visualizzato
Original:
returns a text version of a given error code
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(funzione)[modifica]
Estratto da "https://it.cppreference.com/mwiki/index.php?title=cpp/error/errno_macros&oldid=25546"
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