1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
|
// Copyright 2023, The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//! Helpers for the watchdog module.
/// This module provides helpers for simplified use of the watchdog module.
#[cfg(feature = "watchdog")]
pub mod watchdog {
use lazy_static::lazy_static;
use std::sync::Arc;
use std::time::Duration;
pub use watchdog_rs::WatchPoint;
use watchdog_rs::Watchdog;
lazy_static! {
/// A Watchdog thread, that can be used to create watch points.
static ref WD: Arc<Watchdog> = Watchdog::new(Duration::from_secs(10));
}
/// Sets a watch point with `id` and a timeout of `millis` milliseconds.
pub fn watch_millis(id: &'static str, millis: u64) -> Option<WatchPoint> {
Watchdog::watch(&WD, id, Duration::from_millis(millis))
}
/// Like `watch_millis` but with a callback that is called every time a report
/// is printed about this watch point.
pub fn watch_millis_with(
id: &'static str,
millis: u64,
callback: impl Fn() -> String + Send + 'static,
) -> Option<WatchPoint> {
Watchdog::watch_with(&WD, id, Duration::from_millis(millis), callback)
}
}
/// This module provides empty/noop implementations of the watch dog utility functions.
#[cfg(not(feature = "watchdog"))]
pub mod watchdog {
/// Noop watch point.
pub struct WatchPoint();
/// Sets a Noop watch point.
fn watch_millis(_: &'static str, _: u64) -> Option<WatchPoint> {
None
}
pub fn watch_millis_with(
_: &'static str,
_: u64,
_: impl Fn() -> String + Send + 'static,
) -> Option<WatchPoint> {
None
}
}
|
