Files
oh-my-openagent/src/features/background-agent/process-cleanup.ts
YeonGyu-Kim 127626a122 fix(#2822): properly cleanup tmux sessions on process shutdown
Two issues fixed:
1. process-cleanup.ts used fire-and-forget void Promise for shutdown
   handlers — now properly collects and awaits all cleanup promises
   via Promise.allSettled, with dedup guard to prevent double cleanup
2. TmuxSessionManager was never registered for process cleanup —
   now registered in create-managers.ts via registerManagerForCleanup

Also fixed setTimeout().unref() which could let the process exit
before cleanup completes.
2026-03-27 15:23:48 +09:00

94 lines
2.5 KiB
TypeScript

import { log } from "../../shared"
type ProcessCleanupEvent = NodeJS.Signals | "beforeExit" | "exit"
function registerProcessSignal(
signal: ProcessCleanupEvent,
handler: () => void,
exitAfter: boolean
): () => void {
const listener = () => {
handler()
if (exitAfter) {
process.exitCode = 0
setTimeout(() => process.exit(), 6000)
}
}
process.on(signal, listener)
return listener
}
interface CleanupTarget {
shutdown(): void | Promise<void>
}
const cleanupManagers = new Set<CleanupTarget>()
let cleanupRegistered = false
const cleanupHandlers = new Map<ProcessCleanupEvent, () => void>()
export function registerManagerForCleanup(manager: CleanupTarget): void {
cleanupManagers.add(manager)
if (cleanupRegistered) return
cleanupRegistered = true
let cleanupPromise: Promise<void> | undefined
const cleanupAll = () => {
if (cleanupPromise) return
const promises: Promise<void>[] = []
for (const m of cleanupManagers) {
try {
promises.push(
Promise.resolve(m.shutdown()).catch((error) => {
log("[background-agent] Error during async shutdown cleanup:", error)
})
)
} catch (error) {
log("[background-agent] Error during shutdown cleanup:", error)
}
}
cleanupPromise = Promise.allSettled(promises).then(() => {})
cleanupPromise.then(() => {
log("[background-agent] All shutdown cleanup completed")
})
}
const registerSignal = (signal: ProcessCleanupEvent, exitAfter: boolean): void => {
const listener = registerProcessSignal(signal, cleanupAll, exitAfter)
cleanupHandlers.set(signal, listener)
}
registerSignal("SIGINT", true)
registerSignal("SIGTERM", true)
if (process.platform === "win32") {
registerSignal("SIGBREAK", true)
}
registerSignal("beforeExit", false)
registerSignal("exit", false)
}
export function unregisterManagerForCleanup(manager: CleanupTarget): void {
cleanupManagers.delete(manager)
if (cleanupManagers.size > 0) return
for (const [signal, listener] of cleanupHandlers.entries()) {
process.off(signal, listener)
}
cleanupHandlers.clear()
cleanupRegistered = false
}
/** @internal — test-only reset for module-level singleton state */
export function _resetForTesting(): void {
for (const manager of [...cleanupManagers]) {
cleanupManagers.delete(manager)
}
for (const [signal, listener] of cleanupHandlers.entries()) {
process.off(signal, listener)
}
cleanupHandlers.clear()
cleanupRegistered = false
}