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attach pid to child stdio and pidfd types

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This commit is contained in:
Qyriad 2026-03-25 22:08:39 +01:00
parent c60a145587
commit da0500d1f9
2 changed files with 10 additions and 10 deletions
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12
src/daemon.rs
View file

@ -336,8 +336,8 @@ impl Daemon {
fn proxy_stdio(&mut self, fd: &BorrowedFd) -> Result<(), IoError> {
let info = self.fd_info.get(&fd.as_raw_fd()).unwrap();
let label = match info.kind {
FdKind::ChildStdout => "stdout",
FdKind::ChildStderr => "stderr",
FdKind::ChildStdout(pid) => format!("stdout[{pid}]"),
FdKind::ChildStderr(pid) => format!("stderr[{pid}]"),
other => unreachable!("child stdio cannot have kind {other:?}"),
};
// FIXME: don't use a new allocation every time.
@ -456,8 +456,8 @@ impl Daemon {
unreachable!("`child` is given `.stderr(Stdio::piped())`");
});
let _token = self.register(stdout.into_raw_fd(), FdKind::ChildStdout);
let _token = self.register(stderr.into_raw_fd(), FdKind::ChildStderr);
let _token = self.register(stdout.into_raw_fd(), FdKind::ChildStdout(pid));
let _token = self.register(stderr.into_raw_fd(), FdKind::ChildStderr(pid));
match rustix::process::pidfd_open(pid, PidfdFlags::NONBLOCK) {
Ok(pidfd) => {
@ -668,14 +668,14 @@ impl Daemon {
}
}
},
FdKind::ChildStdout => {
FdKind::ChildStdout(_pid) => {
warn!("got stdout");
// SAFETY: oh boy.
let stdout = unsafe { BorrowedFd::borrow_raw(fd) };
self.proxy_stdio(&stdout)
.unwrap_or_else(|e| error!("failed to proxy child stdout: {e}"));
},
FdKind::ChildStderr => {
FdKind::ChildStderr(_pid) => {
warn!("got stderr");
// SAFETY: oh boy.
let stderr = unsafe { BorrowedFd::borrow_raw(fd) };

8
src/daemon_tokfd.rs
View file

@ -113,8 +113,8 @@ pub enum FdKind {
Socket,
SockStream,
Poller,
ChildStdout,
ChildStderr,
ChildStdout(Pid),
ChildStderr(Pid),
Pid(Pid),
#[default]
Unknown,
@ -128,8 +128,8 @@ impl FdKind {
Socket => "socket",
SockStream => "socket stream",
Poller => "poller",
ChildStdout => "child stdout",
ChildStderr => "child stderr",
ChildStdout(_) => "child stdout",
ChildStderr(_) => "child stderr",
Pid(_) => "pidfd",
Unknown => "«unknown»",
}