forked from nix-rust/nix
/
errno.rs
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/
errno.rs
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use cfg_if::cfg_if;
use libc::{c_int, c_void};
use std::convert::TryFrom;
use std::{fmt, io, error};
use crate::{Error, Result};
pub use self::consts::*;
cfg_if! {
if #[cfg(any(target_os = "freebsd",
target_os = "ios",
target_os = "macos"))] {
unsafe fn errno_location() -> *mut c_int {
libc::__error()
}
} else if #[cfg(any(target_os = "android",
target_os = "netbsd",
target_os = "openbsd"))] {
unsafe fn errno_location() -> *mut c_int {
libc::__errno()
}
} else if #[cfg(any(target_os = "linux",
target_os = "redox",
target_os = "dragonfly",
target_os = "fuchsia"))] {
unsafe fn errno_location() -> *mut c_int {
libc::__errno_location()
}
} else if #[cfg(any(target_os = "illumos", target_os = "solaris"))] {
unsafe fn errno_location() -> *mut c_int {
libc::___errno()
}
}
}
/// Sets the platform-specific errno to no-error
fn clear() {
// Safe because errno is a thread-local variable
unsafe {
*errno_location() = 0;
}
}
/// Returns the platform-specific value of errno
pub fn errno() -> i32 {
unsafe {
(*errno_location()) as i32
}
}
impl Errno {
/// Convert this `Error` to an [`Errno`](enum.Errno.html).
///
/// # Example
///
/// ```
/// # use nix::Error;
/// # use nix::errno::Errno;
/// let e = Error::from(Errno::EPERM);
/// assert_eq!(Some(Errno::EPERM), e.as_errno());
/// ```
#[deprecated(
since = "0.22.0",
note = "It's a no-op now; just delete it."
)]
pub fn as_errno(self) -> Option<Self> {
Some(self)
}
/// Create a nix Error from a given errno
#[deprecated(
since = "0.22.0",
note = "It's a no-op now; just delete it."
)]
pub fn from_errno(errno: Errno) -> Error {
Error::from(errno)
}
/// Create a new invalid argument error (`EINVAL`)
#[deprecated(
since = "0.22.0",
note = "Use Errno::EINVAL instead"
)]
pub fn invalid_argument() -> Error {
Errno::EINVAL
}
pub fn last() -> Self {
last()
}
pub fn desc(self) -> &'static str {
desc(self)
}
pub fn from_i32(err: i32) -> Errno {
from_i32(err)
}
pub fn clear() {
clear()
}
/// Returns `Ok(value)` if it does not contain the sentinel value. This
/// should not be used when `-1` is not the errno sentinel value.
pub fn result<S: ErrnoSentinel + PartialEq<S>>(value: S) -> Result<S> {
if value == S::sentinel() {
Err(Self::last())
} else {
Ok(value)
}
}
/// Backwards compatibility hack for Nix <= 0.21.0 users
///
/// In older versions of Nix, `Error::Sys` was an enum variant. Now it's a
/// function, which is compatible with most of the former use cases of the
/// enum variant. But you should use `Error(Errno::...)` instead.
#[deprecated(
since = "0.22.0",
note = "Use Errno::... instead"
)]
#[allow(non_snake_case)]
#[inline]
pub fn Sys(errno: Errno) -> Error {
errno
}
}
/// The sentinel value indicates that a function failed and more detailed
/// information about the error can be found in `errno`
pub trait ErrnoSentinel: Sized {
fn sentinel() -> Self;
}
impl ErrnoSentinel for isize {
fn sentinel() -> Self { -1 }
}
impl ErrnoSentinel for i32 {
fn sentinel() -> Self { -1 }
}
impl ErrnoSentinel for i64 {
fn sentinel() -> Self { -1 }
}
impl ErrnoSentinel for *mut c_void {
fn sentinel() -> Self { -1isize as *mut c_void }
}
impl ErrnoSentinel for libc::sighandler_t {
fn sentinel() -> Self { libc::SIG_ERR }
}
impl error::Error for Errno {}
impl fmt::Display for Errno {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "{:?}: {}", self, self.desc())
}
}
impl From<Errno> for io::Error {
fn from(err: Errno) -> Self {
io::Error::from_raw_os_error(err as i32)
}
}
impl TryFrom<io::Error> for Errno {
type Error = io::Error;
fn try_from(ioerror: io::Error) -> std::result::Result<Self, io::Error> {
ioerror.raw_os_error()
.map(Errno::from_i32)
.ok_or(ioerror)
}
}
fn last() -> Errno {
Errno::from_i32(errno())
}
fn desc(errno: Errno) -> &'static str {
use self::Errno::*;
match errno {
UnknownErrno => "Unknown errno",
EPERM => "Operation not permitted",
ENOENT => "No such file or directory",
ESRCH => "No such process",
EINTR => "Interrupted system call",
EIO => "I/O error",
ENXIO => "No such device or address",
E2BIG => "Argument list too long",
ENOEXEC => "Exec format error",
EBADF => "Bad file number",
ECHILD => "No child processes",
EAGAIN => "Try again",
ENOMEM => "Out of memory",
EACCES => "Permission denied",
EFAULT => "Bad address",
ENOTBLK => "Block device required",
EBUSY => "Device or resource busy",
EEXIST => "File exists",
EXDEV => "Cross-device link",
ENODEV => "No such device",
ENOTDIR => "Not a directory",
EISDIR => "Is a directory",
EINVAL => "Invalid argument",
ENFILE => "File table overflow",
EMFILE => "Too many open files",
ENOTTY => "Not a typewriter",
ETXTBSY => "Text file busy",
EFBIG => "File too large",
ENOSPC => "No space left on device",
ESPIPE => "Illegal seek",
EROFS => "Read-only file system",
EMLINK => "Too many links",
EPIPE => "Broken pipe",
EDOM => "Math argument out of domain of func",
ERANGE => "Math result not representable",
EDEADLK => "Resource deadlock would occur",
ENAMETOOLONG => "File name too long",
ENOLCK => "No record locks available",
ENOSYS => "Function not implemented",
ENOTEMPTY => "Directory not empty",
ELOOP => "Too many symbolic links encountered",
ENOMSG => "No message of desired type",
EIDRM => "Identifier removed",
EINPROGRESS => "Operation now in progress",
EALREADY => "Operation already in progress",
ENOTSOCK => "Socket operation on non-socket",
EDESTADDRREQ => "Destination address required",
EMSGSIZE => "Message too long",
EPROTOTYPE => "Protocol wrong type for socket",
ENOPROTOOPT => "Protocol not available",
EPROTONOSUPPORT => "Protocol not supported",
ESOCKTNOSUPPORT => "Socket type not supported",
EPFNOSUPPORT => "Protocol family not supported",
EAFNOSUPPORT => "Address family not supported by protocol",
EADDRINUSE => "Address already in use",
EADDRNOTAVAIL => "Cannot assign requested address",
ENETDOWN => "Network is down",
ENETUNREACH => "Network is unreachable",
ENETRESET => "Network dropped connection because of reset",
ECONNABORTED => "Software caused connection abort",
ECONNRESET => "Connection reset by peer",
ENOBUFS => "No buffer space available",
EISCONN => "Transport endpoint is already connected",
ENOTCONN => "Transport endpoint is not connected",
ESHUTDOWN => "Cannot send after transport endpoint shutdown",
ETOOMANYREFS => "Too many references: cannot splice",
ETIMEDOUT => "Connection timed out",
ECONNREFUSED => "Connection refused",
EHOSTDOWN => "Host is down",
EHOSTUNREACH => "No route to host",
#[cfg(any(target_os = "linux", target_os = "android",
target_os = "illumos", target_os = "solaris",
target_os = "fuchsia"))]
ECHRNG => "Channel number out of range",
#[cfg(any(target_os = "linux", target_os = "android",
target_os = "illumos", target_os = "solaris",
target_os = "fuchsia"))]
EL2NSYNC => "Level 2 not synchronized",
#[cfg(any(target_os = "linux", target_os = "android",
target_os = "illumos", target_os = "solaris",
target_os = "fuchsia"))]
EL3HLT => "Level 3 halted",
#[cfg(any(target_os = "linux", target_os = "android",
target_os = "illumos", target_os = "solaris",
target_os = "fuchsia"))]
EL3RST => "Level 3 reset",
#[cfg(any(target_os = "linux", target_os = "android",
target_os = "illumos", target_os = "solaris",
target_os = "fuchsia"))]
ELNRNG => "Link number out of range",
#[cfg(any(target_os = "linux", target_os = "android",
target_os = "illumos", target_os = "solaris",
target_os = "fuchsia"))]
EUNATCH => "Protocol driver not attached",
#[cfg(any(target_os = "linux", target_os = "android",
target_os = "illumos", target_os = "solaris",
target_os = "fuchsia"))]
ENOCSI => "No CSI structure available",
#[cfg(any(target_os = "linux", target_os = "android",
target_os = "illumos", target_os = "solaris",
target_os = "fuchsia"))]
EL2HLT => "Level 2 halted",
#[cfg(any(target_os = "linux", target_os = "android",
target_os = "illumos", target_os = "solaris",
target_os = "fuchsia"))]
EBADE => "Invalid exchange",
#[cfg(any(target_os = "linux", target_os = "android",
target_os = "illumos", target_os = "solaris",
target_os = "fuchsia"))]
EBADR => "Invalid request descriptor",
#[cfg(any(target_os = "linux", target_os = "android",
target_os = "illumos", target_os = "solaris",
target_os = "fuchsia"))]
EXFULL => "Exchange full",
#[cfg(any(target_os = "linux", target_os = "android",
target_os = "illumos", target_os = "solaris",
target_os = "fuchsia"))]
ENOANO => "No anode",
#[cfg(any(target_os = "linux", target_os = "android",
target_os = "illumos", target_os = "solaris",
target_os = "fuchsia"))]
EBADRQC => "Invalid request code",
#[cfg(any(target_os = "linux", target_os = "android",
target_os = "illumos", target_os = "solaris",
target_os = "fuchsia"))]
EBADSLT => "Invalid slot",
#[cfg(any(target_os = "linux", target_os = "android",
target_os = "illumos", target_os = "solaris",
target_os = "fuchsia"))]
EBFONT => "Bad font file format",
#[cfg(any(target_os = "linux", target_os = "android",
target_os = "illumos", target_os = "solaris",
target_os = "fuchsia"))]
ENOSTR => "Device not a stream",
#[cfg(any(target_os = "linux", target_os = "android",
target_os = "illumos", target_os = "solaris",
target_os = "fuchsia"))]
ENODATA => "No data available",
#[cfg(any(target_os = "linux", target_os = "android",
target_os = "illumos", target_os = "solaris",
target_os = "fuchsia"))]
ETIME => "Timer expired",
#[cfg(any(target_os = "linux", target_os = "android",
target_os = "illumos", target_os = "solaris",
target_os = "fuchsia"))]
ENOSR => "Out of streams resources",
#[cfg(any(target_os = "linux", target_os = "android",
target_os = "illumos", target_os = "solaris",
target_os = "fuchsia"))]
ENONET => "Machine is not on the network",
#[cfg(any(target_os = "linux", target_os = "android",
target_os = "illumos", target_os = "solaris",
target_os = "fuchsia"))]
ENOPKG => "Package not installed",
#[cfg(any(target_os = "linux", target_os = "android",
target_os = "illumos", target_os = "solaris",
target_os = "fuchsia"))]
EREMOTE => "Object is remote",
#[cfg(any(target_os = "linux", target_os = "android",
target_os = "illumos", target_os = "solaris",
target_os = "fuchsia"))]
ENOLINK => "Link has been severed",
#[cfg(any(target_os = "linux", target_os = "android",
target_os = "illumos", target_os = "solaris",
target_os = "fuchsia"))]
EADV => "Advertise error",
#[cfg(any(target_os = "linux", target_os = "android",
target_os = "illumos", target_os = "solaris",
target_os = "fuchsia"))]
ESRMNT => "Srmount error",
#[cfg(any(target_os = "linux", target_os = "android",
target_os = "illumos", target_os = "solaris",
target_os = "fuchsia"))]
ECOMM => "Communication error on send",
#[cfg(any(target_os = "linux", target_os = "android",
target_os = "illumos", target_os = "solaris",
target_os = "fuchsia"))]
EPROTO => "Protocol error",
#[cfg(any(target_os = "linux", target_os = "android",
target_os = "illumos", target_os = "solaris",
target_os = "fuchsia"))]
EMULTIHOP => "Multihop attempted",
#[cfg(any(target_os = "linux", target_os = "android",
target_os = "fuchsia"))]
EDOTDOT => "RFS specific error",
#[cfg(any(target_os = "linux", target_os = "android",
target_os = "fuchsia"))]
EBADMSG => "Not a data message",
#[cfg(any(target_os = "illumos", target_os = "solaris"))]
EBADMSG => "Trying to read unreadable message",
#[cfg(any(target_os = "linux", target_os = "android",
target_os = "fuchsia"))]
EOVERFLOW => "Value too large for defined data type",
#[cfg(any(target_os = "linux", target_os = "android",
target_os = "illumos", target_os = "solaris",
target_os = "fuchsia"))]
ENOTUNIQ => "Name not unique on network",
#[cfg(any(target_os = "linux", target_os = "android",
target_os = "illumos", target_os = "solaris",
target_os = "fuchsia"))]
EBADFD => "File descriptor in bad state",
#[cfg(any(target_os = "linux", target_os = "android",
target_os = "illumos", target_os = "solaris",
target_os = "fuchsia"))]
EREMCHG => "Remote address changed",
#[cfg(any(target_os = "linux", target_os = "android",
target_os = "illumos", target_os = "solaris",
target_os = "fuchsia"))]
ELIBACC => "Can not access a needed shared library",
#[cfg(any(target_os = "linux", target_os = "android",
target_os = "illumos", target_os = "solaris",
target_os = "fuchsia"))]
ELIBBAD => "Accessing a corrupted shared library",
#[cfg(any(target_os = "linux", target_os = "android",
target_os = "illumos", target_os = "solaris",
target_os = "fuchsia"))]
ELIBSCN => ".lib section in a.out corrupted",
#[cfg(any(target_os = "linux", target_os = "android",
target_os = "illumos", target_os = "solaris",
target_os = "fuchsia"))]
ELIBMAX => "Attempting to link in too many shared libraries",
#[cfg(any(target_os = "linux", target_os = "android",
target_os = "illumos", target_os = "solaris",
target_os = "fuchsia"))]
ELIBEXEC => "Cannot exec a shared library directly",
#[cfg(any(target_os = "linux", target_os = "android",
target_os = "illumos", target_os = "solaris",
target_os = "fuchsia", target_os = "openbsd"))]
EILSEQ => "Illegal byte sequence",
#[cfg(any(target_os = "linux", target_os = "android",
target_os = "illumos", target_os = "solaris",
target_os = "fuchsia"))]
ERESTART => "Interrupted system call should be restarted",
#[cfg(any(target_os = "linux", target_os = "android",
target_os = "illumos", target_os = "solaris",
target_os = "fuchsia"))]
ESTRPIPE => "Streams pipe error",
#[cfg(any(target_os = "linux", target_os = "android",
target_os = "illumos", target_os = "solaris",
target_os = "fuchsia"))]
EUSERS => "Too many users",
#[cfg(any(target_os = "linux", target_os = "android",
target_os = "fuchsia", target_os = "netbsd",
target_os = "redox"))]
EOPNOTSUPP => "Operation not supported on transport endpoint",
#[cfg(any(target_os = "linux", target_os = "android",
target_os = "fuchsia"))]
ESTALE => "Stale file handle",
#[cfg(any(target_os = "linux", target_os = "android",
target_os = "fuchsia"))]
EUCLEAN => "Structure needs cleaning",
#[cfg(any(target_os = "linux", target_os = "android",
target_os = "fuchsia"))]
ENOTNAM => "Not a XENIX named type file",
#[cfg(any(target_os = "linux", target_os = "android",
target_os = "fuchsia"))]
ENAVAIL => "No XENIX semaphores available",
#[cfg(any(target_os = "linux", target_os = "android",
target_os = "fuchsia"))]
EISNAM => "Is a named type file",
#[cfg(any(target_os = "linux", target_os = "android",
target_os = "fuchsia"))]
EREMOTEIO => "Remote I/O error",
#[cfg(any(target_os = "linux", target_os = "android",
target_os = "fuchsia"))]
EDQUOT => "Quota exceeded",
#[cfg(any(target_os = "linux", target_os = "android",
target_os = "fuchsia", target_os = "openbsd",
target_os = "dragonfly"))]
ENOMEDIUM => "No medium found",
#[cfg(any(target_os = "linux", target_os = "android",
target_os = "fuchsia", target_os = "openbsd"))]
EMEDIUMTYPE => "Wrong medium type",
#[cfg(any(target_os = "linux", target_os = "android",
target_os = "illumos", target_os = "solaris",
target_os = "fuchsia"))]
ECANCELED => "Operation canceled",
#[cfg(any(target_os = "linux", target_os = "android",
target_os = "fuchsia"))]
ENOKEY => "Required key not available",
#[cfg(any(target_os = "linux", target_os = "android",
target_os = "fuchsia"))]
EKEYEXPIRED => "Key has expired",
#[cfg(any(target_os = "linux", target_os = "android",
target_os = "fuchsia"))]
EKEYREVOKED => "Key has been revoked",
#[cfg(any(target_os = "linux", target_os = "android",
target_os = "fuchsia"))]
EKEYREJECTED => "Key was rejected by service",
#[cfg(any(target_os = "linux", target_os = "android",
target_os = "fuchsia"))]
EOWNERDEAD => "Owner died",
#[cfg(any( target_os = "illumos", target_os = "solaris"))]
EOWNERDEAD => "Process died with lock",
#[cfg(any(target_os = "linux", target_os = "android",
target_os = "fuchsia"))]
ENOTRECOVERABLE => "State not recoverable",
#[cfg(any(target_os = "illumos", target_os = "solaris"))]
ENOTRECOVERABLE => "Lock is not recoverable",
#[cfg(any(all(target_os = "linux", not(target_arch="mips")),
target_os = "fuchsia"))]
ERFKILL => "Operation not possible due to RF-kill",
#[cfg(any(all(target_os = "linux", not(target_arch="mips")),
target_os = "fuchsia"))]
EHWPOISON => "Memory page has hardware error",
#[cfg(any(target_os = "freebsd", target_os = "dragonfly"))]
EDOOFUS => "Programming error",
#[cfg(any(target_os = "freebsd", target_os = "dragonfly", target_os = "redox"))]
EMULTIHOP => "Multihop attempted",
#[cfg(any(target_os = "freebsd", target_os = "dragonfly",
target_os = "redox"))]
ENOLINK => "Link has been severed",
#[cfg(target_os = "freebsd")]
ENOTCAPABLE => "Capabilities insufficient",
#[cfg(target_os = "freebsd")]
ECAPMODE => "Not permitted in capability mode",
#[cfg(any(target_os = "macos", target_os = "freebsd",
target_os = "dragonfly", target_os = "ios",
target_os = "openbsd", target_os = "netbsd"))]
ENEEDAUTH => "Need authenticator",
#[cfg(any(target_os = "macos", target_os = "freebsd",
target_os = "dragonfly", target_os = "ios",
target_os = "openbsd", target_os = "netbsd",
target_os = "redox", target_os = "illumos",
target_os = "solaris"))]
EOVERFLOW => "Value too large to be stored in data type",
#[cfg(any(target_os = "macos", target_os = "freebsd",
target_os = "dragonfly", target_os = "ios",
target_os = "netbsd", target_os = "redox"))]
EILSEQ => "Illegal byte sequence",
#[cfg(any(target_os = "macos", target_os = "freebsd",
target_os = "dragonfly", target_os = "ios",
target_os = "openbsd", target_os = "netbsd"))]
ENOATTR => "Attribute not found",
#[cfg(any(target_os = "macos", target_os = "freebsd",
target_os = "dragonfly", target_os = "ios",
target_os = "openbsd", target_os = "netbsd",
target_os = "redox"))]
EBADMSG => "Bad message",
#[cfg(any(target_os = "macos", target_os = "freebsd",
target_os = "dragonfly", target_os = "ios",
target_os = "openbsd", target_os = "netbsd",
target_os = "redox"))]
EPROTO => "Protocol error",
#[cfg(any(target_os = "macos", target_os = "freebsd",
target_os = "ios", target_os = "openbsd"))]
ENOTRECOVERABLE => "State not recoverable",
#[cfg(any(target_os = "macos", target_os = "freebsd",
target_os = "ios", target_os = "openbsd"))]
EOWNERDEAD => "Previous owner died",
#[cfg(any(target_os = "macos", target_os = "freebsd",
target_os = "dragonfly", target_os = "ios",
target_os = "openbsd", target_os = "netbsd",
target_os = "illumos", target_os = "solaris"))]
ENOTSUP => "Operation not supported",
#[cfg(any(target_os = "macos", target_os = "freebsd",
target_os = "dragonfly", target_os = "ios",
target_os = "openbsd", target_os = "netbsd"))]
EPROCLIM => "Too many processes",
#[cfg(any(target_os = "macos", target_os = "freebsd",
target_os = "dragonfly", target_os = "ios",
target_os = "openbsd", target_os = "netbsd",
target_os = "redox"))]
EUSERS => "Too many users",
#[cfg(any(target_os = "macos", target_os = "freebsd",
target_os = "dragonfly", target_os = "ios",
target_os = "openbsd", target_os = "netbsd",
target_os = "redox", target_os = "illumos",
target_os = "solaris"))]
EDQUOT => "Disc quota exceeded",
#[cfg(any(target_os = "macos", target_os = "freebsd",
target_os = "dragonfly", target_os = "ios",
target_os = "openbsd", target_os = "netbsd",
target_os = "redox", target_os = "illumos",
target_os = "solaris"))]
ESTALE => "Stale NFS file handle",
#[cfg(any(target_os = "macos", target_os = "freebsd",
target_os = "dragonfly", target_os = "ios",
target_os = "openbsd", target_os = "netbsd",
target_os = "redox"))]
EREMOTE => "Too many levels of remote in path",
#[cfg(any(target_os = "macos", target_os = "freebsd",
target_os = "dragonfly", target_os = "ios",
target_os = "openbsd", target_os = "netbsd"))]
EBADRPC => "RPC struct is bad",
#[cfg(any(target_os = "macos", target_os = "freebsd",
target_os = "dragonfly", target_os = "ios",
target_os = "openbsd", target_os = "netbsd"))]
ERPCMISMATCH => "RPC version wrong",
#[cfg(any(target_os = "macos", target_os = "freebsd",
target_os = "dragonfly", target_os = "ios",
target_os = "openbsd", target_os = "netbsd"))]
EPROGUNAVAIL => "RPC prog. not avail",
#[cfg(any(target_os = "macos", target_os = "freebsd",
target_os = "dragonfly", target_os = "ios",
target_os = "openbsd", target_os = "netbsd"))]
EPROGMISMATCH => "Program version wrong",
#[cfg(any(target_os = "macos", target_os = "freebsd",
target_os = "dragonfly", target_os = "ios",
target_os = "openbsd", target_os = "netbsd"))]
EPROCUNAVAIL => "Bad procedure for program",
#[cfg(any(target_os = "macos", target_os = "freebsd",
target_os = "dragonfly", target_os = "ios",
target_os = "openbsd", target_os = "netbsd"))]
EFTYPE => "Inappropriate file type or format",
#[cfg(any(target_os = "macos", target_os = "freebsd",
target_os = "dragonfly", target_os = "ios",
target_os = "openbsd", target_os = "netbsd"))]
EAUTH => "Authentication error",
#[cfg(any(target_os = "macos", target_os = "freebsd",
target_os = "dragonfly", target_os = "ios",
target_os = "openbsd", target_os = "netbsd",
target_os = "redox"))]
ECANCELED => "Operation canceled",
#[cfg(any(target_os = "macos", target_os = "ios"))]
EPWROFF => "Device power is off",
#[cfg(any(target_os = "macos", target_os = "ios"))]
EDEVERR => "Device error, e.g. paper out",
#[cfg(any(target_os = "macos", target_os = "ios"))]
EBADEXEC => "Bad executable",
#[cfg(any(target_os = "macos", target_os = "ios"))]
EBADARCH => "Bad CPU type in executable",
#[cfg(any(target_os = "macos", target_os = "ios"))]
ESHLIBVERS => "Shared library version mismatch",
#[cfg(any(target_os = "macos", target_os = "ios"))]
EBADMACHO => "Malformed Macho file",
#[cfg(any(target_os = "macos", target_os = "ios",
target_os = "netbsd"))]
EMULTIHOP => "Reserved",
#[cfg(any(target_os = "macos", target_os = "ios",
target_os = "netbsd", target_os = "redox"))]
ENODATA => "No message available on STREAM",
#[cfg(any(target_os = "macos", target_os = "ios",
target_os = "netbsd"))]
ENOLINK => "Reserved",
#[cfg(any(target_os = "macos", target_os = "ios",
target_os = "netbsd", target_os = "redox"))]
ENOSR => "No STREAM resources",
#[cfg(any(target_os = "macos", target_os = "ios",
target_os = "netbsd", target_os = "redox"))]
ENOSTR => "Not a STREAM",
#[cfg(any(target_os = "macos", target_os = "ios",
target_os = "netbsd", target_os = "redox"))]
ETIME => "STREAM ioctl timeout",
#[cfg(any(target_os = "macos", target_os = "ios",
target_os = "illumos", target_os = "solaris"))]
EOPNOTSUPP => "Operation not supported on socket",
#[cfg(any(target_os = "macos", target_os = "ios"))]
ENOPOLICY => "No such policy registered",
#[cfg(any(target_os = "macos", target_os = "ios"))]
EQFULL => "Interface output queue is full",
#[cfg(target_os = "openbsd")]
EOPNOTSUPP => "Operation not supported",
#[cfg(target_os = "openbsd")]
EIPSEC => "IPsec processing failure",
#[cfg(target_os = "dragonfly")]
EASYNC => "Async",
#[cfg(any(target_os = "illumos", target_os = "solaris"))]
EDEADLOCK => "Resource deadlock would occur",
#[cfg(any(target_os = "illumos", target_os = "solaris"))]
ELOCKUNMAPPED => "Locked lock was unmapped",
#[cfg(any(target_os = "illumos", target_os = "solaris"))]
ENOTACTIVE => "Facility is not active",
}
}
#[cfg(any(target_os = "linux", target_os = "android",
target_os = "fuchsia"))]
mod consts {
#[derive(Clone, Copy, Debug, Eq, PartialEq)]
#[repr(i32)]
pub enum Errno {
UnknownErrno = 0,
EPERM = libc::EPERM,
ENOENT = libc::ENOENT,
ESRCH = libc::ESRCH,
EINTR = libc::EINTR,
EIO = libc::EIO,
ENXIO = libc::ENXIO,
E2BIG = libc::E2BIG,
ENOEXEC = libc::ENOEXEC,
EBADF = libc::EBADF,
ECHILD = libc::ECHILD,
EAGAIN = libc::EAGAIN,
ENOMEM = libc::ENOMEM,
EACCES = libc::EACCES,
EFAULT = libc::EFAULT,
ENOTBLK = libc::ENOTBLK,
EBUSY = libc::EBUSY,
EEXIST = libc::EEXIST,
EXDEV = libc::EXDEV,
ENODEV = libc::ENODEV,
ENOTDIR = libc::ENOTDIR,
EISDIR = libc::EISDIR,
EINVAL = libc::EINVAL,
ENFILE = libc::ENFILE,
EMFILE = libc::EMFILE,
ENOTTY = libc::ENOTTY,
ETXTBSY = libc::ETXTBSY,
EFBIG = libc::EFBIG,
ENOSPC = libc::ENOSPC,
ESPIPE = libc::ESPIPE,
EROFS = libc::EROFS,
EMLINK = libc::EMLINK,
EPIPE = libc::EPIPE,
EDOM = libc::EDOM,
ERANGE = libc::ERANGE,
EDEADLK = libc::EDEADLK,
ENAMETOOLONG = libc::ENAMETOOLONG,
ENOLCK = libc::ENOLCK,
ENOSYS = libc::ENOSYS,
ENOTEMPTY = libc::ENOTEMPTY,
ELOOP = libc::ELOOP,
ENOMSG = libc::ENOMSG,
EIDRM = libc::EIDRM,
ECHRNG = libc::ECHRNG,
EL2NSYNC = libc::EL2NSYNC,
EL3HLT = libc::EL3HLT,
EL3RST = libc::EL3RST,
ELNRNG = libc::ELNRNG,
EUNATCH = libc::EUNATCH,
ENOCSI = libc::ENOCSI,
EL2HLT = libc::EL2HLT,
EBADE = libc::EBADE,
EBADR = libc::EBADR,
EXFULL = libc::EXFULL,
ENOANO = libc::ENOANO,
EBADRQC = libc::EBADRQC,
EBADSLT = libc::EBADSLT,
EBFONT = libc::EBFONT,
ENOSTR = libc::ENOSTR,
ENODATA = libc::ENODATA,
ETIME = libc::ETIME,
ENOSR = libc::ENOSR,
ENONET = libc::ENONET,
ENOPKG = libc::ENOPKG,
EREMOTE = libc::EREMOTE,
ENOLINK = libc::ENOLINK,
EADV = libc::EADV,
ESRMNT = libc::ESRMNT,
ECOMM = libc::ECOMM,
EPROTO = libc::EPROTO,
EMULTIHOP = libc::EMULTIHOP,
EDOTDOT = libc::EDOTDOT,
EBADMSG = libc::EBADMSG,
EOVERFLOW = libc::EOVERFLOW,
ENOTUNIQ = libc::ENOTUNIQ,
EBADFD = libc::EBADFD,
EREMCHG = libc::EREMCHG,
ELIBACC = libc::ELIBACC,
ELIBBAD = libc::ELIBBAD,
ELIBSCN = libc::ELIBSCN,
ELIBMAX = libc::ELIBMAX,
ELIBEXEC = libc::ELIBEXEC,
EILSEQ = libc::EILSEQ,
ERESTART = libc::ERESTART,
ESTRPIPE = libc::ESTRPIPE,
EUSERS = libc::EUSERS,
ENOTSOCK = libc::ENOTSOCK,
EDESTADDRREQ = libc::EDESTADDRREQ,
EMSGSIZE = libc::EMSGSIZE,
EPROTOTYPE = libc::EPROTOTYPE,
ENOPROTOOPT = libc::ENOPROTOOPT,
EPROTONOSUPPORT = libc::EPROTONOSUPPORT,
ESOCKTNOSUPPORT = libc::ESOCKTNOSUPPORT,
EOPNOTSUPP = libc::EOPNOTSUPP,
EPFNOSUPPORT = libc::EPFNOSUPPORT,
EAFNOSUPPORT = libc::EAFNOSUPPORT,
EADDRINUSE = libc::EADDRINUSE,
EADDRNOTAVAIL = libc::EADDRNOTAVAIL,
ENETDOWN = libc::ENETDOWN,
ENETUNREACH = libc::ENETUNREACH,
ENETRESET = libc::ENETRESET,
ECONNABORTED = libc::ECONNABORTED,
ECONNRESET = libc::ECONNRESET,
ENOBUFS = libc::ENOBUFS,
EISCONN = libc::EISCONN,
ENOTCONN = libc::ENOTCONN,
ESHUTDOWN = libc::ESHUTDOWN,
ETOOMANYREFS = libc::ETOOMANYREFS,
ETIMEDOUT = libc::ETIMEDOUT,
ECONNREFUSED = libc::ECONNREFUSED,
EHOSTDOWN = libc::EHOSTDOWN,
EHOSTUNREACH = libc::EHOSTUNREACH,
EALREADY = libc::EALREADY,
EINPROGRESS = libc::EINPROGRESS,
ESTALE = libc::ESTALE,
EUCLEAN = libc::EUCLEAN,
ENOTNAM = libc::ENOTNAM,
ENAVAIL = libc::ENAVAIL,
EISNAM = libc::EISNAM,
EREMOTEIO = libc::EREMOTEIO,
EDQUOT = libc::EDQUOT,
ENOMEDIUM = libc::ENOMEDIUM,
EMEDIUMTYPE = libc::EMEDIUMTYPE,
ECANCELED = libc::ECANCELED,
ENOKEY = libc::ENOKEY,
EKEYEXPIRED = libc::EKEYEXPIRED,
EKEYREVOKED = libc::EKEYREVOKED,
EKEYREJECTED = libc::EKEYREJECTED,
EOWNERDEAD = libc::EOWNERDEAD,
ENOTRECOVERABLE = libc::ENOTRECOVERABLE,
#[cfg(not(any(target_os = "android", target_arch="mips")))]
ERFKILL = libc::ERFKILL,
#[cfg(not(any(target_os = "android", target_arch="mips")))]
EHWPOISON = libc::EHWPOISON,
}
impl Errno {
pub const EWOULDBLOCK: Errno = Errno::EAGAIN;
pub const EDEADLOCK: Errno = Errno::EDEADLK;
pub const ENOTSUP: Errno = Errno::EOPNOTSUPP;
}
pub fn from_i32(e: i32) -> Errno {
use self::Errno::*;
match e {
libc::EPERM => EPERM,
libc::ENOENT => ENOENT,
libc::ESRCH => ESRCH,
libc::EINTR => EINTR,
libc::EIO => EIO,
libc::ENXIO => ENXIO,
libc::E2BIG => E2BIG,
libc::ENOEXEC => ENOEXEC,
libc::EBADF => EBADF,
libc::ECHILD => ECHILD,
libc::EAGAIN => EAGAIN,
libc::ENOMEM => ENOMEM,
libc::EACCES => EACCES,
libc::EFAULT => EFAULT,
libc::ENOTBLK => ENOTBLK,
libc::EBUSY => EBUSY,
libc::EEXIST => EEXIST,
libc::EXDEV => EXDEV,
libc::ENODEV => ENODEV,
libc::ENOTDIR => ENOTDIR,
libc::EISDIR => EISDIR,
libc::EINVAL => EINVAL,
libc::ENFILE => ENFILE,
libc::EMFILE => EMFILE,
libc::ENOTTY => ENOTTY,
libc::ETXTBSY => ETXTBSY,
libc::EFBIG => EFBIG,
libc::ENOSPC => ENOSPC,
libc::ESPIPE => ESPIPE,
libc::EROFS => EROFS,
libc::EMLINK => EMLINK,
libc::EPIPE => EPIPE,
libc::EDOM => EDOM,
libc::ERANGE => ERANGE,
libc::EDEADLK => EDEADLK,
libc::ENAMETOOLONG => ENAMETOOLONG,
libc::ENOLCK => ENOLCK,
libc::ENOSYS => ENOSYS,
libc::ENOTEMPTY => ENOTEMPTY,
libc::ELOOP => ELOOP,
libc::ENOMSG => ENOMSG,
libc::EIDRM => EIDRM,
libc::ECHRNG => ECHRNG,
libc::EL2NSYNC => EL2NSYNC,
libc::EL3HLT => EL3HLT,
libc::EL3RST => EL3RST,
libc::ELNRNG => ELNRNG,
libc::EUNATCH => EUNATCH,
libc::ENOCSI => ENOCSI,
libc::EL2HLT => EL2HLT,
libc::EBADE => EBADE,
libc::EBADR => EBADR,
libc::EXFULL => EXFULL,
libc::ENOANO => ENOANO,
libc::EBADRQC => EBADRQC,
libc::EBADSLT => EBADSLT,
libc::EBFONT => EBFONT,
libc::ENOSTR => ENOSTR,
libc::ENODATA => ENODATA,
libc::ETIME => ETIME,
libc::ENOSR => ENOSR,
libc::ENONET => ENONET,
libc::ENOPKG => ENOPKG,
libc::EREMOTE => EREMOTE,
libc::ENOLINK => ENOLINK,
libc::EADV => EADV,
libc::ESRMNT => ESRMNT,
libc::ECOMM => ECOMM,
libc::EPROTO => EPROTO,
libc::EMULTIHOP => EMULTIHOP,
libc::EDOTDOT => EDOTDOT,
libc::EBADMSG => EBADMSG,
libc::EOVERFLOW => EOVERFLOW,
libc::ENOTUNIQ => ENOTUNIQ,
libc::EBADFD => EBADFD,
libc::EREMCHG => EREMCHG,
libc::ELIBACC => ELIBACC,
libc::ELIBBAD => ELIBBAD,
libc::ELIBSCN => ELIBSCN,
libc::ELIBMAX => ELIBMAX,
libc::ELIBEXEC => ELIBEXEC,
libc::EILSEQ => EILSEQ,
libc::ERESTART => ERESTART,