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fix(session): harden write lock and repair

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This commit is contained in:
yushen 2026-02-03 17:47:41 +08:00
parent f1334349ca
commit f2ca86aa1f
4 changed files with 149 additions and 70 deletions
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34
src/agent/session/session-write-lock.test.ts
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@ -72,6 +72,40 @@ describe("acquireSessionWriteLock", () => {
}
});
it("does not delete recent lock files with invalid payloads", async () => {
const root = await fs.mkdtemp(path.join(os.tmpdir(), "multica-lock-"));
try {
const sessionFile = path.join(root, "sessions.json");
const lockPath = `${sessionFile}.lock`;
await fs.writeFile(lockPath, "{", "utf8");
await expect(
acquireSessionWriteLock({ sessionFile, timeoutMs: 200, staleMs: 60_000 }),
).rejects.toThrow(/timeout/);
await expect(fs.access(lockPath)).resolves.toBeUndefined();
} finally {
await fs.rm(root, { recursive: true, force: true });
}
});
it("reclaims invalid lock files when mtime is stale", async () => {
const root = await fs.mkdtemp(path.join(os.tmpdir(), "multica-lock-"));
try {
const sessionFile = path.join(root, "sessions.json");
const lockPath = `${sessionFile}.lock`;
await fs.writeFile(lockPath, "{", "utf8");
const old = new Date(Date.now() - 60_000);
await fs.utimes(lockPath, old, old);
const lock = await acquireSessionWriteLock({ sessionFile, timeoutMs: 500, staleMs: 10 });
await lock.release();
} finally {
await fs.rm(root, { recursive: true, force: true });
}
});
it("removes held locks on termination signals", async () => {
const signals = ["SIGINT", "SIGTERM", "SIGQUIT", "SIGABRT"] as const;
for (const signal of signals) {