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93b7acf99d
When the global timer fires earlier than expected, which apparently happens sometimes on server editions of Windows, we didn't call any setTimeout callbacks, but we *also* didn't reschedule the global timer to fire again later. When this situation occurred it would make deno exit abruptly if there were no other asynchronous ops running on the event loop. It could also lead to application hangs if the upcoming setTimeout callback was critical for the application to make progress.
42 lines
1 KiB
Rust
42 lines
1 KiB
Rust
// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
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use super::dispatch_json::{Deserialize, JsonOp, Value};
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use crate::state::ThreadSafeState;
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use deno::*;
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use futures::Future;
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use std;
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use std::time::Duration;
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use std::time::Instant;
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pub fn op_global_timer_stop(
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state: &ThreadSafeState,
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_args: Value,
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_zero_copy: Option<PinnedBuf>,
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) -> Result<JsonOp, ErrBox> {
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let state = state;
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let mut t = state.global_timer.lock().unwrap();
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t.cancel();
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Ok(JsonOp::Sync(json!({})))
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}
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#[derive(Deserialize)]
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struct GlobalTimerArgs {
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timeout: u64,
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}
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pub fn op_global_timer(
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state: &ThreadSafeState,
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args: Value,
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_zero_copy: Option<PinnedBuf>,
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) -> Result<JsonOp, ErrBox> {
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let args: GlobalTimerArgs = serde_json::from_value(args)?;
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let val = args.timeout;
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let state = state;
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let mut t = state.global_timer.lock().unwrap();
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let deadline = Instant::now() + Duration::from_millis(val);
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let f = t
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.new_timeout(deadline)
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.then(move |_| futures::future::ok(json!({})));
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Ok(JsonOp::Async(Box::new(f)))
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}
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