Struct mozjs::rust::JSEngine

pub struct JSEngine {
    outstanding_handles: Arc<AtomicU32>,
    marker: PhantomData<*mut ()>,
}

A handle that must be kept alive in order to create new Runtimes. When this handle is dropped, the engine is shut down and cannot be reinitialized.

Fields

outstanding_handles: Arc<AtomicU32>

The count of alive handles derived from this initialized instance.

marker: PhantomData<*mut ()>

Implementations

impl JSEngine

pub fn init() -> Result<JSEngine, JSEngineError>

Initialize the JS engine to prepare for creating new JS runtimes.

pub fn can_shutdown(&self) -> bool

pub fn handle(&self) -> JSEngineHandle

Create a handle to this engine.

Trait Implementations

impl Drop for JSEngine

Shut down the JS engine, invalidating any existing runtimes and preventing any new ones from being created.

fn drop(&mut self)

Executes the destructor for this type.