SetLengthError

pub const SetLengthError = error{
    /// Changing the mapping length could not be done atomically. Caller must
    /// use `destroy` and `create` to resize the mapping.
    OperationUnsupported,
    /// One of the following:
    /// * The `File.Kind` is not `file`.
    /// * The file is not open for reading and read access protections enabled.
    /// * The file is not open for writing and write access protections enabled.
    AccessDenied,
    /// The `prot` argument asks for `PROT_EXEC` but the mapped area belongs to a file on
    /// a filesystem that was mounted no-exec.
    PermissionDenied,
    LockedMemoryLimitExceeded,
    ProcessFdQuotaExceeded,
    SystemFdQuotaExceeded,
} || Allocator.Error || File.SetLengthError