posix_errno/posix-errno.rs
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// Copyright (c) 2022 John Millikin <john@john-millikin.com>
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
// PERFORMANCE OF THIS SOFTWARE.
//
// SPDX-License-Identifier: 0BSD
//! This library defines a single type, the [Error] enum, which represents the
//! symbolic constants for error numbers defined in the POSIX standard.
#![no_std]
/// Symbolic constants for error numbers defined in the POSIX standard.
#[derive(Clone, Copy, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
#[non_exhaustive]
pub enum Error {
/// Argument list too long.
E2BIG,
/// Permission denied.
EACCES,
/// Address in use.
EADDRINUSE,
/// Address not available.
EADDRNOTAVAIL,
/// Address family not supported.
EAFNOSUPPORT,
/// Resource unavailable, try again.
EAGAIN,
/// Connection already in progress.
EALREADY,
/// Bad file descriptor.
EBADF,
/// Bad message.
EBADMSG,
/// Device or resource busy.
EBUSY,
/// Operation canceled.
ECANCELED,
/// No child processes.
ECHILD,
/// Connection aborted.
ECONNABORTED,
/// Connection refused.
ECONNREFUSED,
/// Connection reset.
ECONNRESET,
/// Resource deadlock would occur.
EDEADLK,
/// Destination address required.
EDESTADDRREQ,
/// Mathematics argument out of domain of function.
EDOM,
/// Reserved.
EDQUOT,
/// File exists.
EEXIST,
/// Bad address.
EFAULT,
/// File too large.
EFBIG,
/// Host is unreachable.
EHOSTUNREACH,
/// Identifier removed.
EIDRM,
/// Illegal byte sequence.
EILSEQ,
/// Operation in progress.
EINPROGRESS,
/// Interrupted function.
EINTR,
/// Invalid argument.
EINVAL,
/// I/O error.
EIO,
/// Socket is connected.
EISCONN,
/// Is a directory.
EISDIR,
/// Too many levels of symbolic links.
ELOOP,
/// File descriptor value too large.
EMFILE,
/// Too many links.
EMLINK,
/// Message too large.
EMSGSIZE,
/// Reserved.
EMULTIHOP,
/// Filename too long.
ENAMETOOLONG,
/// Network is down.
ENETDOWN,
/// Connection aborted by network.
ENETRESET,
/// Network unreachable.
ENETUNREACH,
/// Too many files open in system.
ENFILE,
/// No buffer space available.
ENOBUFS,
/// No message is available on the STREAM head read queue.
ENODATA,
/// No such device.
ENODEV,
/// No such file or directory.
ENOENT,
/// Executable file format error.
ENOEXEC,
/// No locks available.
ENOLCK,
/// Reserved.
ENOLINK,
/// Not enough space.
ENOMEM,
/// No message of the desired type.
ENOMSG,
/// Protocol not available.
ENOPROTOOPT,
/// No space left on device.
ENOSPC,
/// No STREAM resources.
ENOSR,
/// Not a STREAM.
ENOSTR,
/// Functionality not supported.
ENOSYS,
/// The socket is not connected.
ENOTCONN,
/// Not a directory or a symbolic link to a directory.
ENOTDIR,
/// Directory not empty.
ENOTEMPTY,
/// State not recoverable.
ENOTRECOVERABLE,
/// Not a socket.
ENOTSOCK,
/// Not supported.
ENOTSUP,
/// Inappropriate I/O control operation.
ENOTTY,
/// No such device or address.
ENXIO,
/// Operation not supported on socket.
EOPNOTSUPP,
/// Value too large to be stored in data type.
EOVERFLOW,
/// Previous owner died.
EOWNERDEAD,
/// Operation not permitted.
EPERM,
/// Broken pipe.
EPIPE,
/// Protocol error.
EPROTO,
/// Protocol not supported.
EPROTONOSUPPORT,
/// Protocol wrong type for socket.
EPROTOTYPE,
/// Result too large.
ERANGE,
/// Read-only file system.
EROFS,
/// Invalid seek.
ESPIPE,
/// No such process.
ESRCH,
/// Reserved.
ESTALE,
/// Stream ioctl() timeout.
ETIME,
/// Connection timed out.
ETIMEDOUT,
/// Text file busy.
ETXTBSY,
/// Operation would block.
EWOULDBLOCK,
/// Cross-device link.
EXDEV,
}