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Start working on plugin epoch async yield

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This commit is contained in:
Isaac Clayton 2022-07-12 16:32:41 +02:00
parent 8bcfcce506
commit 170d27b04c
2 changed files with 17 additions and 6 deletions
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21
crates/plugin_runtime/src/plugin.rs
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@ -71,7 +71,7 @@ pub struct PluginBuilder {
pub fn create_default_engine() -> Result<Engine, Error> {
let mut config = Config::default();
config.async_support(true);
// config.epoch_interruption(true);
config.epoch_interruption(true);
Engine::new(&config)
}
@ -303,11 +303,12 @@ impl Plugin {
println!();
}
async fn init(
async fn init<T, F: Future<Output = ()> + Send + 'static>(
precompiled: bool,
module: Vec<u8>,
plugin: PluginBuilder,
) -> Result<Self, Error> {
spawn_incrementer: impl Fn(F) -> T,
) -> Result<(Self, T), Error> {
// initialize the WebAssembly System Interface context
let engine = plugin.engine;
let mut linker = plugin.linker;
@ -322,7 +323,8 @@ impl Plugin {
alloc: None,
},
);
// store.epoch_deadline_async_yield_and_update(todo!());
store.epoch_deadline_async_yield_and_update(1);
let module = if precompiled {
unsafe { Module::deserialize(&engine, module)? }
} else {
@ -342,7 +344,16 @@ impl Plugin {
free_buffer,
});
Ok(Plugin { store, instance })
let plugin = Plugin { store, instance };
let incrementer = spawn_incrementer(async move {
loop {
smol::Timer::after(std::time::Duration::from_millis(100)).await;
engine.increment_epoch();
}
});
Ok((plugin, incrementer))
}
/// Attaches a file or directory the the given system path to the runtime.