From d8d73ba8e11ba7d886ddb98f697359643cc24336 Mon Sep 17 00:00:00 2001
From: Julian Orth <ju.orth@gmail.com>
Date: Sat, 7 Mar 2026 14:08:06 +0100
Subject: [PATCH] state: store compositor pid

---
 src/compositor.rs | 4 +++-
 src/state.rs      | 4 +++-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/compositor.rs b/src/compositor.rs
index 332fb92a..27a96be2 100644
--- a/src/compositor.rs
+++ b/src/compositor.rs
@@ -199,7 +199,8 @@ fn start_compositor2(
     test_future: Option<TestFuture>,
     caps_thread: Option<PrCapsThread>,
 ) -> Result<(), CompositorError> {
-    log::info!("pid = {}", uapi::getpid());
+    let pid = uapi::getpid();
+    log::info!("pid = {pid}");
     log::info!("version = {VERSION}");
     if did_elevate_scheduler() {
         log::info!("Running with elevated scheduler: SCHED_RR");
@@ -224,6 +225,7 @@ fn start_compositor2(
     let crit_ids = Rc::new(CritMatcherIds::default());
     let eventfd_cache = EventfdCache::new(&ring, &engine);
     let state = Rc::new(State {
+        pid,
         kb_ctx,
         backend: CloneCell::new(Rc::new(DummyBackend)),
         forker: Default::default(),
diff --git a/src/state.rs b/src/state.rs
index 192e47f1..2d624d5b 100644
--- a/src/state.rs
+++ b/src/state.rs
@@ -145,10 +145,12 @@ use {
         time::Duration,
     },
     thiserror::Error,
-    uapi::OwnedFd,
+    uapi::{OwnedFd, c},
 };
 
 pub struct State {
+    #[expect(dead_code)]
+    pub pid: c::pid_t,
     pub kb_ctx: KbvmContext,
     pub backend: CloneCell<Rc<dyn Backend>>,
     pub forker: CloneCell<Option<Rc<ForkerProxy>>>,