initial commit
+ some reasearch on returning error when using async task
This commit is contained in:
commit
6df632bc76
29
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||||
"parking_lot",
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||||
"pin-project-lite",
|
||||
"signal-hook-registry",
|
||||
"socket2",
|
||||
"tokio-macros",
|
||||
"windows-sys",
|
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]
|
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[[package]]
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name = "tokio-macros"
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"syn",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
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|
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|
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|
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|
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|
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[[package]]
|
||||
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|
||||
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|
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|
||||
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|
||||
|
||||
[[package]]
|
||||
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|
||||
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|
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|
||||
dependencies = [
|
||||
"windows-targets",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "windows-targets"
|
||||
version = "0.48.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "9a2fa6e2155d7247be68c096456083145c183cbbbc2764150dda45a87197940c"
|
||||
dependencies = [
|
||||
"windows_aarch64_gnullvm",
|
||||
"windows_aarch64_msvc",
|
||||
"windows_i686_gnu",
|
||||
"windows_i686_msvc",
|
||||
"windows_x86_64_gnu",
|
||||
"windows_x86_64_gnullvm",
|
||||
"windows_x86_64_msvc",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "windows_aarch64_gnullvm"
|
||||
version = "0.48.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "2b38e32f0abccf9987a4e3079dfb67dcd799fb61361e53e2882c3cbaf0d905d8"
|
||||
|
||||
[[package]]
|
||||
name = "windows_aarch64_msvc"
|
||||
version = "0.48.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "dc35310971f3b2dbbf3f0690a219f40e2d9afcf64f9ab7cc1be722937c26b4bc"
|
||||
|
||||
[[package]]
|
||||
name = "windows_i686_gnu"
|
||||
version = "0.48.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "a75915e7def60c94dcef72200b9a8e58e5091744960da64ec734a6c6e9b3743e"
|
||||
|
||||
[[package]]
|
||||
name = "windows_i686_msvc"
|
||||
version = "0.48.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "8f55c233f70c4b27f66c523580f78f1004e8b5a8b659e05a4eb49d4166cca406"
|
||||
|
||||
[[package]]
|
||||
name = "windows_x86_64_gnu"
|
||||
version = "0.48.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "53d40abd2583d23e4718fddf1ebec84dbff8381c07cae67ff7768bbf19c6718e"
|
||||
|
||||
[[package]]
|
||||
name = "windows_x86_64_gnullvm"
|
||||
version = "0.48.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "0b7b52767868a23d5bab768e390dc5f5c55825b6d30b86c844ff2dc7414044cc"
|
||||
|
||||
[[package]]
|
||||
name = "windows_x86_64_msvc"
|
||||
version = "0.48.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "ed94fce61571a4006852b7389a063ab983c02eb1bb37b47f8272ce92d06d9538"
|
||||
|
||||
[[package]]
|
||||
name = "wingmate-rs"
|
||||
version = "0.1.0"
|
||||
dependencies = [
|
||||
"tokio",
|
||||
]
|
||||
9
Cargo.toml
Normal file
9
Cargo.toml
Normal file
@ -0,0 +1,9 @@
|
||||
[package]
|
||||
name = "wingmate-rs"
|
||||
version = "0.1.0"
|
||||
edition = "2021"
|
||||
|
||||
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
|
||||
|
||||
[dependencies]
|
||||
tokio = { version = "1.34.0", features = ["full"] }
|
||||
46
src/main.rs
Normal file
46
src/main.rs
Normal file
@ -0,0 +1,46 @@
|
||||
use std::fmt;
|
||||
use std::error::Error;
|
||||
use tokio::signal::unix::{signal, SignalKind};
|
||||
use tokio::select;
|
||||
use tokio::task::{self, JoinHandle};
|
||||
|
||||
#[derive(Debug,Clone)]
|
||||
struct InvalidState;
|
||||
|
||||
impl fmt::Display for InvalidState {
|
||||
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
|
||||
write!(f, "cannot recover the state")
|
||||
}
|
||||
}
|
||||
|
||||
impl Error for InvalidState {}
|
||||
|
||||
#[tokio::main]
|
||||
async fn main() -> Result<(), Box<dyn Error>> {
|
||||
|
||||
let sighandler: JoinHandle<Result<(), Box<dyn Error + Send + Sync>>> = task::spawn(async {
|
||||
let mut sigint = signal(SignalKind::interrupt())?;
|
||||
let mut sigterm = signal(SignalKind::terminate())?;
|
||||
let mut sigchld = signal(SignalKind::child())?;
|
||||
select! {
|
||||
_ = sigint.recv() => {
|
||||
println!("got SIGINT");
|
||||
},
|
||||
_ = sigterm.recv() => {
|
||||
println!("got SIGTERM");
|
||||
return Err(InvalidState.into());
|
||||
},
|
||||
_ = sigchld.recv() => {
|
||||
// return Err(())
|
||||
},
|
||||
}
|
||||
|
||||
Ok(())
|
||||
});
|
||||
|
||||
if let Err(v) = sighandler.await? {
|
||||
return Err(v as Box<dyn Error>)
|
||||
}
|
||||
|
||||
Ok(())
|
||||
}
|
||||
Loading…
x
Reference in New Issue
Block a user