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enum Errno

Overview

Errno wraps and gives access to libc's errno. This is mostly useful when dealing with C libraries.

Defined in:

errno.cr

Enum Members

NONE = 0
E2BIG = 7
EPERM = 1
ENOENT = 2
ESRCH = 3
EINTR = 4
EIO = 5
ENXIO = 6
ENOEXEC = 8
EBADF = 9
ECHILD = 10
EDEADLK = 35
ENOMEM = 12
EACCES = 13
EFAULT = 14
EBUSY = 16
EEXIST = 17
EXDEV = 18
ENODEV = 19
ENOTDIR = 20
EISDIR = 21
EINVAL = 22
ENFILE = 23
EMFILE = 24
ENOTTY = 25
ETXTBSY = 26
EFBIG = 27
ENOSPC = 28
ESPIPE = 29
EROFS = 30
EMLINK = 31
EPIPE = 32
EDOM = 33
ERANGE = 34
EAGAIN = 11
EWOULDBLOCK = 11
EINPROGRESS = 115
EALREADY = 114
ENOTSOCK = 88
EDESTADDRREQ = 89
EMSGSIZE = 90
EPROTOTYPE = 91
ENOPROTOOPT = 92
EPROTONOSUPPORT = 93
EAFNOSUPPORT = 97
EADDRINUSE = 98
EADDRNOTAVAIL = 99
ENETDOWN = 100
ENETUNREACH = 101
ENETRESET = 102
ECONNABORTED = 103
ECONNRESET = 104
ENOBUFS = 105
EISCONN = 106
ENOTCONN = 107
ETIMEDOUT = 110
ECONNREFUSED = 111
ELOOP = 40
ENAMETOOLONG = 36
EHOSTUNREACH = 113
ENOTEMPTY = 39
EDQUOT = 122
ESTALE = 116
ENOLCK = 37
ENOSYS = 38
EOVERFLOW = 75
ECANCELED = 125
EIDRM = 43
ENOMSG = 42
EILSEQ = 84
EBADMSG = 74
EMULTIHOP = 72
ENODATA = 61
ENOLINK = 67
ENOSR = 63
ENOSTR = 60
EPROTO = 71
ETIME = 62
EOPNOTSUPP = 95
ENOTRECOVERABLE = 131
EOWNERDEAD = 130

Constructors

Class Method Summary

Instance Method Summary

Instance methods inherited from struct Enum

&(other : self) : self &, +(other : Int) : self +, -(other : Int) : self -, <=>(other : self) <=>, ==(other : self)
==(other) ==, ^(other : self) : self ^, |(other : self) : self |, ~ : self ~, clone clone, each(& : self -> ) each, hash(hasher) hash, includes?(other : self) : Bool includes?, inspect(io : IO) : Nil inspect, to_f32 : Float32 to_f32, to_f32! : Float32 to_f32!, to_f64 : Float64 to_f64, to_f64! : Float64 to_f64!, to_i : Int32 to_i, to_i128 : Int128 to_i128, to_i128! : Int128 to_i128!, to_i16 : Int16 to_i16, to_i16! : Int16 to_i16!, to_i32 : Int32 to_i32, to_i32! : Int32 to_i32!, to_i64 : Int64 to_i64, to_i64! : Int64 to_i64!, to_i8 : Int8 to_i8, to_i8! : Int8 to_i8!, to_json(json : JSON::Builder) : Nil to_json, to_s(io : IO) : Nil
to_s : String to_s, to_u128 : UInt128 to_u128, to_u128! : UInt128 to_u128!, to_u16 : UInt16 to_u16, to_u16! : UInt16 to_u16!, to_u32 : UInt32 to_u32, to_u32! : UInt32 to_u32!, to_u64 : UInt64 to_u64, to_u64! : UInt64 to_u64!, to_u8 : UInt8 to_u8, to_u8! : UInt8 to_u8!, to_yaml(yaml : YAML::Nodes::Builder) to_yaml, value : Int value

Constructor methods inherited from struct Enum

from_value(value : Int) : self from_value, new(ctx : YAML::ParseContext, node : YAML::Nodes::Node)
new(value : self)
new(pull : JSON::PullParser) : self new, parse(string : String) : self parse

Class methods inherited from struct Enum

each(& : self -> ) each, from_value?(value : Int) : self | Nil from_value?, names : Array(String) names, parse?(string : String) : self | Nil parse?, valid?(value : self) : Bool valid?, values : Array(self) values

Macros inherited from struct Enum

[](*values) [], flags(*values) flags

Instance methods inherited from module Comparable(Enum)

<(other : T) : Bool <, <=(other : T) <=, <=>(other : T) <=>, ==(other : T) ==, >(other : T) : Bool >, >=(other : T) >=, clamp(min, max)
clamp(range : Range) clamp

Instance methods inherited from struct Value

==(other : Log::Metadata::Value)
==(other : JSON::Any)
==(other : YAML::Any)
==(other) ==, dup dup

Instance methods inherited from class Object

! : Bool !, !=(other) !=, !~(other) !~, ==(other) ==, ===(other : JSON::Any)
===(other : YAML::Any)
===(other) ===, =~(other) =~, as(type : Class) as, as?(type : Class) as?, class class, dup dup, hash(hasher)
hash hash, in?(collection : Object) : Bool
in?(*values : Object) : Bool in?, inspect(io : IO) : Nil
inspect : String inspect, is_a?(type : Class) : Bool is_a?, itself itself, nil? : Bool nil?, not_nil!(message)
not_nil! not_nil!, pretty_inspect(width = 79, newline = "\n", indent = 0) : String pretty_inspect, pretty_print(pp : PrettyPrint) : Nil pretty_print, responds_to?(name : Symbol) : Bool responds_to?, tap(&) tap, to_json(io : IO) : Nil
to_json : String to_json, to_pretty_json(indent : String = " ") : String
to_pretty_json(io : IO, indent : String = " ") : Nil to_pretty_json, to_s(io : IO) : Nil
to_s : String to_s, to_yaml(io : IO) : Nil
to_yaml : String to_yaml, try(&) try, unsafe_as(type : T.class) forall T unsafe_as

Class methods inherited from class Object

from_json(string_or_io : String | IO, root : String)
from_json(string_or_io : String | IO) from_json, from_yaml(string_or_io : String | IO) from_yaml

Macros inherited from class Object

class_getter(*names, &block) class_getter, class_getter!(*names) class_getter!, class_getter?(*names, &block) class_getter?, class_property(*names, &block) class_property, class_property!(*names) class_property!, class_property?(*names, &block) class_property?, class_setter(*names) class_setter, def_clone def_clone, def_equals(*fields) def_equals, def_equals_and_hash(*fields) def_equals_and_hash, def_hash(*fields) def_hash, delegate(*methods, to object) delegate, forward_missing_to(delegate) forward_missing_to, getter(*names, &block) getter, getter!(*names) getter!, getter?(*names, &block) getter?, property(*names, &block) property, property!(*names) property!, property?(*names, &block) property?, setter(*names) setter

Constructor Detail

def self.value : selfSource

returns the value of libc's errno.

Class Method Detail

def self.value=(errno : Errno)Source

Sets the value of libc's errno.

Instance Method Detail

def e2_big?Source

Returns true if this enum value equals E2BIG

def eacces?Source

Returns true if this enum value equals EACCES

def eaddrinuse?Source

Returns true if this enum value equals EADDRINUSE

def eaddrnotavail?Source

Returns true if this enum value equals EADDRNOTAVAIL

def eafnosupport?Source

Returns true if this enum value equals EAFNOSUPPORT

def eagain?Source

Returns true if this enum value equals EAGAIN

def ealready?Source

Returns true if this enum value equals EALREADY

def ebadf?Source

Returns true if this enum value equals EBADF

def ebadmsg?Source

Returns true if this enum value equals EBADMSG

def ebusy?Source

Returns true if this enum value equals EBUSY

def ecanceled?Source

Returns true if this enum value equals ECANCELED

def echild?Source

Returns true if this enum value equals ECHILD

def econnaborted?Source

Returns true if this enum value equals ECONNABORTED

def econnrefused?Source

Returns true if this enum value equals ECONNREFUSED

def econnreset?Source

Returns true if this enum value equals ECONNRESET

def edeadlk?Source

Returns true if this enum value equals EDEADLK

def edestaddrreq?Source

Returns true if this enum value equals EDESTADDRREQ

def edom?Source

Returns true if this enum value equals EDOM

def edquot?Source

Returns true if this enum value equals EDQUOT

def eexist?Source

Returns true if this enum value equals EEXIST

def efault?Source

Returns true if this enum value equals EFAULT

def efbig?Source

Returns true if this enum value equals EFBIG

def ehostunreach?Source

Returns true if this enum value equals EHOSTUNREACH

def eidrm?Source

Returns true if this enum value equals EIDRM

def eilseq?Source

Returns true if this enum value equals EILSEQ

def einprogress?Source

Returns true if this enum value equals EINPROGRESS

def eintr?Source

Returns true if this enum value equals EINTR

def einval?Source

Returns true if this enum value equals EINVAL

def eio?Source

Returns true if this enum value equals EIO

def eisconn?Source

Returns true if this enum value equals EISCONN

def eisdir?Source

Returns true if this enum value equals EISDIR

def eloop?Source

Returns true if this enum value equals ELOOP

def emfile?Source

Returns true if this enum value equals EMFILE

def emlink?Source

Returns true if this enum value equals EMLINK

def emsgsize?Source

Returns true if this enum value equals EMSGSIZE

def emultihop?Source

Returns true if this enum value equals EMULTIHOP

def enametoolong?Source

Returns true if this enum value equals ENAMETOOLONG

def enetdown?Source

Returns true if this enum value equals ENETDOWN

def enetreset?Source

Returns true if this enum value equals ENETRESET

def enetunreach?Source

Returns true if this enum value equals ENETUNREACH

def enfile?Source

Returns true if this enum value equals ENFILE

def enobufs?Source

Returns true if this enum value equals ENOBUFS

def enodata?Source

Returns true if this enum value equals ENODATA

def enodev?Source

Returns true if this enum value equals ENODEV

def enoent?Source

Returns true if this enum value equals ENOENT

def enoexec?Source

Returns true if this enum value equals ENOEXEC

def enolck?Source

Returns true if this enum value equals ENOLCK

def enolink?Source

Returns true if this enum value equals ENOLINK

def enomem?Source

Returns true if this enum value equals ENOMEM

def enomsg?Source

Returns true if this enum value equals ENOMSG

def enoprotoopt?Source

Returns true if this enum value equals ENOPROTOOPT

def enospc?Source

Returns true if this enum value equals ENOSPC

def enosr?Source

Returns true if this enum value equals ENOSR

def enostr?Source

Returns true if this enum value equals ENOSTR

def enosys?Source

Returns true if this enum value equals ENOSYS

def enotconn?Source

Returns true if this enum value equals ENOTCONN

def enotdir?Source

Returns true if this enum value equals ENOTDIR

def enotempty?Source

Returns true if this enum value equals ENOTEMPTY

def enotrecoverable?Source

Returns true if this enum value equals ENOTRECOVERABLE

def enotsock?Source

Returns true if this enum value equals ENOTSOCK

def enotty?Source

Returns true if this enum value equals ENOTTY

def enxio?Source

Returns true if this enum value equals ENXIO

def eopnotsupp?Source

Returns true if this enum value equals EOPNOTSUPP

def eoverflow?Source

Returns true if this enum value equals EOVERFLOW

def eownerdead?Source

Returns true if this enum value equals EOWNERDEAD

def eperm?Source

Returns true if this enum value equals EPERM

def epipe?Source

Returns true if this enum value equals EPIPE

def eproto?Source

Returns true if this enum value equals EPROTO

def eprotonosupport?Source

Returns true if this enum value equals EPROTONOSUPPORT

def eprototype?Source

Returns true if this enum value equals EPROTOTYPE

def erange?Source

Returns true if this enum value equals ERANGE

def erofs?Source

Returns true if this enum value equals EROFS

def espipe?Source

Returns true if this enum value equals ESPIPE

def esrch?Source

Returns true if this enum value equals ESRCH

def estale?Source

Returns true if this enum value equals ESTALE

def etime?Source

Returns true if this enum value equals ETIME

def etimedout?Source

Returns true if this enum value equals ETIMEDOUT

def etxtbsy?Source

Returns true if this enum value equals ETXTBSY

def ewouldblock?Source

Returns true if this enum value equals EWOULDBLOCK

def exdev?Source

Returns true if this enum value equals EXDEV

def message : StringSource

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.

def none?Source

Returns true if this enum value equals NONE

© 2012–2026 Manas Technology Solutions.
Licensed under the Apache License, Version 2.0.
https://crystal-lang.org/api/1.19.0/Errno.html