sysmaster/backport-fix-unwatch-all-pids-when-the-service-enters-dead.patch
licunlong 0c7d548f94 sync patches from upstream
(cherry picked from commit e23ebb83bd7672e4dc8da68a9a8c73fe6e016341)
2023-06-19 10:39:49 +08:00

146 lines
4.6 KiB
Diff

From c38d3c9dd677b28cbdd638b853475f74c42936bf Mon Sep 17 00:00:00 2001
From: licunlong <licunlong1@huawei.com>
Date: Mon, 22 May 2023 11:56:18 +0800
Subject: [PATCH] fix: unwatch all pids when the service enters dead
---
coms/service/src/mng.rs | 10 ++++++++++
coms/service/src/pid.rs | 6 ++++++
core/bin/unit/datastore/child.rs | 18 ++++++++++++------
core/bin/unit/datastore/mod.rs | 4 ++++
core/bin/unit/manager.rs | 9 +++++++++
core/lib/unit/umif.rs | 3 +++
6 files changed, 44 insertions(+), 6 deletions(-)
diff --git a/coms/service/src/mng.rs b/coms/service/src/mng.rs
index dff610e..d73fa34 100644
--- a/coms/service/src/mng.rs
+++ b/coms/service/src/mng.rs
@@ -845,6 +845,16 @@ impl ServiceMng {
self.set_cmd_type(None);
}
+ if vec![
+ ServiceState::Dead,
+ ServiceState::Failed,
+ ServiceState::AutoRestart,
+ ]
+ .contains(&state)
+ {
+ self.pid.child_unwatch_all_pids();
+ }
+
// todo!()
// trigger the unit the dependency trigger_by
diff --git a/coms/service/src/pid.rs b/coms/service/src/pid.rs
index deba828..a25de50 100644
--- a/coms/service/src/pid.rs
+++ b/coms/service/src/pid.rs
@@ -94,6 +94,12 @@ impl ServicePid {
}
}
+ pub(super) fn child_unwatch_all_pids(&self) {
+ if let Some(u) = self.comm.owner() {
+ self.comm.um().child_unwatch_all_pids(u.id());
+ }
+ }
+
pub(super) fn main(&self) -> Option<Pid> {
self.data.borrow().main()
}
diff --git a/core/bin/unit/datastore/child.rs b/core/bin/unit/datastore/child.rs
index fd8fffa..af63792 100644
--- a/core/bin/unit/datastore/child.rs
+++ b/core/bin/unit/datastore/child.rs
@@ -57,17 +57,23 @@ impl UnitChild {
pub(super) fn add_watch_pid(&self, id: &str, pid: Pid) {
log::debug!("borrow add watch_pids for pid:{}, id:{}", pid, id);
let unit = self.units.get(id).unwrap();
- let u = Rc::clone(&unit);
- self.data.add_watch_pid(unit, pid);
- u.child_add_pids(pid);
+ self.data.add_watch_pid(unit.clone(), pid);
+ unit.child_add_pids(pid);
}
pub(super) fn unwatch_pid(&self, id: &str, pid: Pid) {
let unit = self.units.get(id).unwrap();
- let u = Rc::clone(&unit);
log::debug!("borrow remove watch_pids for {}", pid);
- self.data.unwatch_pid(unit, pid);
- u.child_remove_pids(pid);
+ self.data.unwatch_pid(unit.clone(), pid);
+ unit.child_remove_pids(pid);
+ }
+
+ pub(super) fn unwatch_all_pids(&self, id: &str) {
+ let unit = self.units.get(id).unwrap();
+ for i in self.data.watch_pids.borrow().keys() {
+ unit.child_remove_pids(*i);
+ }
+ self.data.watch_pids.borrow_mut().clear();
}
pub(super) fn get_unit_by_pid(&self, pid: Pid) -> Option<Rc<UnitX>> {
diff --git a/core/bin/unit/datastore/mod.rs b/core/bin/unit/datastore/mod.rs
index d3f8839..1dc09d7 100644
--- a/core/bin/unit/datastore/mod.rs
+++ b/core/bin/unit/datastore/mod.rs
@@ -160,6 +160,10 @@ impl UnitDb {
}
}
+ pub fn child_unwatch_all_pids(&self, id: &str) {
+ self.child.unwatch_all_pids(id);
+ }
+
pub fn get_unit_by_pid(&self, pid: Pid) -> Option<Rc<UnitX>> {
self.child.get_unit_by_pid(pid)
}
diff --git a/core/bin/unit/manager.rs b/core/bin/unit/manager.rs
index 0677c1b..bee3093 100644
--- a/core/bin/unit/manager.rs
+++ b/core/bin/unit/manager.rs
@@ -392,6 +392,10 @@ impl UmIf for UnitManager {
self.child_watch_all_pids(id)
}
+ fn child_unwatch_all_pids(&self, id: &str) {
+ self.child_unwatch_all_pids(id)
+ }
+
fn notify_socket(&self) -> Option<PathBuf> {
self.notify_socket()
}
@@ -480,6 +484,11 @@ impl UnitManager {
self.db.child_watch_all_pids(id)
}
+ /// remove all pids
+ fn child_unwatch_all_pids(&self, id: &str) {
+ self.db.child_unwatch_all_pids(id)
+ }
+
/// delete the pid from the db
fn child_unwatch_pid(&self, id: &str, pid: Pid) {
self.db.child_unwatch_pid(id, pid)
diff --git a/core/lib/unit/umif.rs b/core/lib/unit/umif.rs
index 027c59f..4821ff9 100644
--- a/core/lib/unit/umif.rs
+++ b/core/lib/unit/umif.rs
@@ -134,6 +134,9 @@ pub trait UmIf {
/// add all the pid of unit id, read pids from cgroup path.
fn child_watch_all_pids(&self, _id: &str) {}
+ /// remove all the pid of unit id
+ fn child_unwatch_all_pids(&self, _id: &str) {}
+
///rentry_trigger_merge
fn rentry_trigger_merge(&self, _unit_id: &str, _force: bool) {}
--
2.30.2