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internal: Bring back JodChild into flychecking for cancellation

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This commit is contained in:
Lukas Wirth 2022-06-13 13:34:07 +02:00
parent 7db73875ac
commit 6438ef9aa3
4 changed files with 117 additions and 64 deletions
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12
crates/stdx/src/lib.rs
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@ -1,5 +1,6 @@
//! Missing batteries for standard libraries.
use std::iter;
use std::process::Command;
use std::{cmp::Ordering, ops, time::Instant};
mod macros;
@ -132,6 +133,7 @@ pub fn defer<F: FnOnce()>(f: F) -> impl Drop {
D(Some(f))
}
/// A [`std::process::Child`] wrapper that will kill the child on drop.
#[cfg_attr(not(target_arch = "wasm32"), repr(transparent))]
#[derive(Debug)]
pub struct JodChild(pub std::process::Child);
@ -157,6 +159,16 @@ impl Drop for JodChild {
}
impl JodChild {
pub fn spawn(mut command: Command) -> std::io::Result<Self> {
command.spawn().map(Self)
}
pub fn wait(self) -> std::io::Result<std::process::ExitStatus> {
let mut inner = self.into_inner();
let _ = inner.kill();
inner.wait()
}
pub fn into_inner(self) -> std::process::Child {
if cfg!(target_arch = "wasm32") {
panic!("no processes on wasm");