Struct FEntryContext 

pub struct FEntryContext { /* private fields */ }

Implementations

impl FEntryContext

pub fn new(ctx: *mut c_void) -> FEntryContext

pub unsafe fn arg<T: FromBtfArgument>(&self, n: usize) -> T

Returns the nth argument to passed to the probe function, starting from 0.

Examples

unsafe fn try_fentry_try_to_wake_up(ctx: FEntryContext) -> Result<u32, u32> {
    let tp: *const task_struct = ctx.arg(0);

    // Do something with tp

    Ok(0)
}

Trait Implementations

impl EbpfContext for FEntryContext

fn as_ptr(&self) -> *mut c_void

fn command(&self) -> Result<[u8; 16], c_long>

fn pid(&self) -> u32

fn tgid(&self) -> u32

fn uid(&self) -> u32

fn gid(&self) -> u32