mirror of
https://github.com/hexagonal-sun/moss-kernel.git
synced 2026-08-02 03:26:24 -04:00
89 lines
3.1 KiB
Rust
89 lines
3.1 KiB
Rust
//! Maps [`KernelError`] variants to POSIX `errno` values
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//! for returning results to user-space system calls.
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#![allow(missing_docs)]
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use crate::error::FsError;
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use super::KernelError;
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pub const EPERM: isize = -1;
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pub const ENOENT: isize = -2;
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pub const ESRCH: isize = -3;
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pub const EINTR: isize = -4;
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pub const EIO: isize = -5;
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pub const ENXIO: isize = -6;
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pub const E2BIG: isize = -7;
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pub const ENOEXEC: isize = -8;
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pub const EBADF: isize = -9;
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pub const ECHILD: isize = -10;
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pub const EAGAIN: isize = -11;
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pub const ENOMEM: isize = -12;
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pub const EACCES: isize = -13;
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pub const EFAULT: isize = -14;
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pub const ENOTBLK: isize = -15;
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pub const EBUSY: isize = -16;
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pub const EEXIST: isize = -17;
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pub const EXDEV: isize = -18;
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pub const ENODEV: isize = -19;
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pub const ENOTDIR: isize = -20;
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pub const EISDIR: isize = -21;
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pub const EINVAL: isize = -22;
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pub const ENFILE: isize = -23;
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pub const EMFILE: isize = -24;
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pub const ENOTTY: isize = -25;
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pub const ETXTBSY: isize = -26;
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pub const EFBIG: isize = -27;
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pub const ENOSPC: isize = -28;
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pub const ESPIPE: isize = -29;
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pub const EROFS: isize = -30;
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pub const EMLINK: isize = -31;
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pub const EPIPE: isize = -32;
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pub const EDOM: isize = -33;
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pub const ERANGE: isize = -34;
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pub const EWOULDBLOCK: isize = -EAGAIN;
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pub const ENAMETOOLONG: isize = -36;
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pub const ENOSYS: isize = -38;
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pub const ENOTEMPTY: isize = -39;
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pub const ELOOP: isize = -40;
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pub const EAFNOSUPPORT: isize = -97;
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pub const EOPNOTSUPP: isize = -95;
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pub const ETIMEDOUT: isize = -110;
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pub fn kern_err_to_syscall(err: KernelError) -> isize {
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match err {
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KernelError::BadFd => EBADF,
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KernelError::InvalidValue => EINVAL,
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KernelError::Fault => EFAULT,
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KernelError::TryAgain => EAGAIN,
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KernelError::BrokenPipe => EPIPE,
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KernelError::InUse => EBUSY,
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KernelError::NotPermitted => EPERM,
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KernelError::BufferFull | KernelError::NameTooLong => ENAMETOOLONG,
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KernelError::Fs(FsError::NotFound) => ENOENT,
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KernelError::Fs(FsError::IsADirectory) => EISDIR,
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KernelError::Fs(FsError::NotADirectory) => ENOTDIR,
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KernelError::Fs(FsError::AlreadyExists) => EEXIST,
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KernelError::Fs(FsError::DirectoryNotEmpty) => ENOTEMPTY,
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KernelError::Fs(FsError::Busy) => EBUSY,
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KernelError::Fs(FsError::InvalidInput) => EINVAL, // TODO: Is this right?
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KernelError::InUse => EBUSY,
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KernelError::Fs(FsError::PermissionDenied) => EACCES,
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KernelError::Fs(FsError::TooManyFiles) => EMFILE,
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KernelError::Fs(FsError::NoDevice) => ENODEV,
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KernelError::Fs(FsError::Loop) => ELOOP,
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KernelError::NotATty => ENOTTY,
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KernelError::SeekPipe => ESPIPE,
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KernelError::NotSupported => ENOSYS,
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KernelError::NoMemory => ENOMEM,
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KernelError::TimedOut => ETIMEDOUT,
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KernelError::RangeError => ERANGE,
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KernelError::NoChildProcess => ECHILD,
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KernelError::OpNotSupported => EOPNOTSUPP,
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KernelError::Interrupted => EINTR,
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KernelError::NoProcess => ESRCH,
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KernelError::AddressFamilyNotSupported => EAFNOSUPPORT,
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e => todo!("{e}"),
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}
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}
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