Errno wraps and gives access to libc's errno. This is mostly useful when
dealing with C libraries.
Constructors
value
returns the value of libc's errno.
Class methods
Sets the value of libc's errno.
Instance methods
e2_big?
Returns true if this enum value equals E2BIG
eacces?
Returns true if this enum value equals EACCES
eaddrinuse?
Returns true if this enum value equals EADDRINUSE
eaddrnotavail?
Returns true if this enum value equals EADDRNOTAVAIL
eafnosupport?
Returns true if this enum value equals EAFNOSUPPORT
eagain?
Returns true if this enum value equals EAGAIN
ealready?
Returns true if this enum value equals EALREADY
ebadf?
Returns true if this enum value equals EBADF
ebadmsg?
Returns true if this enum value equals EBADMSG
ebusy?
Returns true if this enum value equals EBUSY
ecanceled?
Returns true if this enum value equals ECANCELED
echild?
Returns true if this enum value equals ECHILD
econnaborted?
Returns true if this enum value equals ECONNABORTED
econnrefused?
Returns true if this enum value equals ECONNREFUSED
econnreset?
Returns true if this enum value equals ECONNRESET
edeadlk?
Returns true if this enum value equals EDEADLK
edestaddrreq?
Returns true if this enum value equals EDESTADDRREQ
edom?
Returns true if this enum value equals EDOM
edquot?
Returns true if this enum value equals EDQUOT
eexist?
Returns true if this enum value equals EEXIST
efault?
Returns true if this enum value equals EFAULT
efbig?
Returns true if this enum value equals EFBIG
ehostunreach?
Returns true if this enum value equals EHOSTUNREACH
eidrm?
Returns true if this enum value equals EIDRM
eilseq?
Returns true if this enum value equals EILSEQ
einprogress?
Returns true if this enum value equals EINPROGRESS
eintr?
Returns true if this enum value equals EINTR
einval?
Returns true if this enum value equals EINVAL
eio?
Returns true if this enum value equals EIO
eisconn?
Returns true if this enum value equals EISCONN
eisdir?
Returns true if this enum value equals EISDIR
eloop?
Returns true if this enum value equals ELOOP
emfile?
Returns true if this enum value equals EMFILE
emlink?
Returns true if this enum value equals EMLINK
emsgsize?
Returns true if this enum value equals EMSGSIZE
emultihop?
Returns true if this enum value equals EMULTIHOP
enetdown?
Returns true if this enum value equals ENETDOWN
enetreset?
Returns true if this enum value equals ENETRESET
enetunreach?
Returns true if this enum value equals ENETUNREACH
enfile?
Returns true if this enum value equals ENFILE
enobufs?
Returns true if this enum value equals ENOBUFS
enodata?
Returns true if this enum value equals ENODATA
enodev?
Returns true if this enum value equals ENODEV
enoent?
Returns true if this enum value equals ENOENT
enoexec?
Returns true if this enum value equals ENOEXEC
enolck?
Returns true if this enum value equals ENOLCK
enolink?
Returns true if this enum value equals ENOLINK
enomem?
Returns true if this enum value equals ENOMEM
enomsg?
Returns true if this enum value equals ENOMSG
enoprotoopt?
Returns true if this enum value equals ENOPROTOOPT
enospc?
Returns true if this enum value equals ENOSPC
enosr?
Returns true if this enum value equals ENOSR
enostr?
Returns true if this enum value equals ENOSTR
enosys?
Returns true if this enum value equals ENOSYS
enotconn?
Returns true if this enum value equals ENOTCONN
enotdir?
Returns true if this enum value equals ENOTDIR
enotempty?
Returns true if this enum value equals ENOTEMPTY
enotrecoverable?
Returns true if this enum value equals ENOTRECOVERABLE
enotsock?
Returns true if this enum value equals ENOTSOCK
enotty?
Returns true if this enum value equals ENOTTY
enxio?
Returns true if this enum value equals ENXIO
eopnotsupp?
Returns true if this enum value equals EOPNOTSUPP
eoverflow?
Returns true if this enum value equals EOVERFLOW
eownerdead?
Returns true if this enum value equals EOWNERDEAD
eperm?
Returns true if this enum value equals EPERM
epipe?
Returns true if this enum value equals EPIPE
eproto?
Returns true if this enum value equals EPROTO
eprotonosupport?
Returns true if this enum value equals EPROTONOSUPPORT
eprototype?
Returns true if this enum value equals EPROTOTYPE
erange?
Returns true if this enum value equals ERANGE
erofs?
Returns true if this enum value equals EROFS
espipe?
Returns true if this enum value equals ESPIPE
esrch?
Returns true if this enum value equals ESRCH
estale?
Returns true if this enum value equals ESTALE
etime?
Returns true if this enum value equals ETIME
etimedout?
Returns true if this enum value equals ETIMEDOUT
etxtbsy?
Returns true if this enum value equals ETXTBSY
ewouldblock?
Returns true if this enum value equals EWOULDBLOCK
exdev?
Returns true if this enum value equals EXDEV
message
Returns the system error message associated with this errno.
NOTE: The result may depend on the current system locale. Specs and
comparisons should use #value instead of this method.
none?
Returns true if this enum value equals NONE