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utils: add pipe util

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This commit is contained in:
Julian Orth 2026-02-24 14:03:55 +01:00
parent 05476d68f3
commit 73451550ba
9 changed files with 107 additions and 30 deletions
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17
src/ifs/jay_reexec.rs
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@ -7,12 +7,13 @@ use {
clone3::{Forked, fork_with_pidfd},
errorfmt::ErrorFmt,
oserror::OsError,
pipe::{Pipe, pipe},
},
wire::{JayReexecId, jay_reexec::*},
},
std::{array::from_mut, cell::RefCell, rc::Rc},
thiserror::Error,
uapi::{OwnedFd, UstrPtr, c, close_range, dup2, pipe2, waitpid},
uapi::{OwnedFd, UstrPtr, c, close_range, dup2, waitpid},
};
pub struct JayReexec {
@ -39,17 +40,23 @@ impl JayReexec {
}
macro_rules! pipe {
() => {
match pipe2(c::O_CLOEXEC) {
match pipe() {
Ok(p) => p,
Err(e) => {
log::error!("Could not create pipe: {}", ErrorFmt(OsError::from(e)));
log::error!("Could not create pipe: {}", ErrorFmt(e));
return None;
}
}
};
}
let (p1, c1) = pipe!();
let (c2, p2) = pipe!();
let Pipe {
read: p1,
write: c1,
} = pipe!();
let Pipe {
read: c2,
write: p2,
} = pipe!();
if let Ok(f) = fork_with_pidfd(false) {
match f {
Forked::Parent { pid, .. } => {