Struct xpcom::Refcnt

pub struct Refcnt(_);

The type of the reference count type for xpcom structs.

#[derive(xpcom)] will use this type for the __refcnt field when #[refcnt = "nonatomic"] is used.

Methods

impl Refcnt

pub unsafe fn new() -> Self

Create a new reference count value. This is unsafe as manipulating Refcnt values is an easy footgun.

pub unsafe fn inc(&self) -> nsrefcnt

Increment the reference count. Returns the new reference count. This is unsafe as modifying this value can cause a use-after-free.

pub unsafe fn dec(&self) -> nsrefcnt

Decrement the reference count. Returns the new reference count. This is unsafe as modifying this value can cause a use-after-free.

pub fn get(&self) -> nsrefcnt

Get the current value of the reference count.

Trait Implementations

impl Debug for Refcnt

fn fmt(&self, __arg_0: &mut Formatter) -> Result

Formats the value using the given formatter.