Enum drm_ffi::result::SystemError

pub enum SystemError {
    InvalidFileDescriptor,
    MemoryFault,
    InvalidArgument,
    InvalidFileType,
    PermissionDenied,
    Unknown {
        errno: Errno,
    },
}

A general system error that can be returned by any DRM command.

Receiving this error likely indicates a bug in either the program, this crate, or the underlying operating system.

Variants

InvalidFileDescriptor

A command was attempted using an invalid file descriptor.

MemoryFault

Provided memory area is inaccessible.

Receiving this error indicates a bug in this crate.

InvalidArgument

One or more arguments used are invalid.

This can be due to the system not supporting a feature or value.

InvalidFileType

A command was attempted using a non-DRM device.

PermissionDenied

Permission denied.

Unknown

Unknown system error.

Fields of Unknown

errno: Errno

Unknown nix::errno::Errno returned by the system call.

Trait Implementations

impl Debug for SystemError

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Display for SystemError

fn fmt(&self, fmt: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Error for SystemError

pub fn source(&self) -> Option<&(dyn Error + 'static)>

The lower-level source of this error, if any.

pub fn backtrace(&self) -> Option<&Backtrace>

🔬 This is a nightly-only experimental API. (backtrace)

Returns a stack backtrace, if available, of where this error occurred.

pub fn description(&self) -> &str

👎 Deprecated since 1.42.0:

use the Display impl or to_string()

pub fn cause(&self) -> Option<&dyn Error>

👎 Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

impl From<Errno> for SystemError

fn from(errno: Errno) -> SystemError

Performs the conversion.

impl From<Error> for SystemError

fn from(nerr: NixError) -> SystemError

Performs the conversion.