1 files changed, 39 insertions, 0 deletions
diff --git a/node_modules/foreground-child/dist/mjs/watchdog.js b/node_modules/foreground-child/dist/mjs/watchdog.js
new file mode 100644
index 0000000..3b897a6
--- /dev/null
+++ b/node_modules/foreground-child/dist/mjs/watchdog.js
@@ -0,0 +1,39 @@
+// this spawns a child process that listens for SIGHUP when the
+// parent process exits, and after 200ms, sends a SIGKILL to the
+// child, in case it did not terminate.
+import { spawn } from 'child_process';
+const watchdogCode = String.raw `
+const pid = parseInt(process.argv[1], 10)
+process.title = 'node (foreground-child watchdog pid=' + pid + ')'
+if (!isNaN(pid)) {
+  let barked = false
+  // keepalive
+  const interval = setInterval(() => {}, 60000)
+  const bark = () => {
+    clearInterval(interval)
+    if (barked) return
+    barked = true
+    process.removeListener('SIGHUP', bark)
+    setTimeout(() => {
+      try {
+        process.kill(pid, 'SIGKILL')
+        setTimeout(() => process.exit(), 200)
+      } catch (_) {}
+    }, 500)
+  })
+  process.on('SIGHUP', bark)
+}
+`;
+export const watchdog = (child) => {
+    let dogExited = false;
+    const dog = spawn(process.execPath, ['-e', watchdogCode, String(child.pid)], {
+        stdio: 'ignore',
+    });
+    dog.on('exit', () => (dogExited = true));
+    child.on('exit', () => {
+        if (!dogExited)
+            dog.kill('SIGTERM');
+    });
+    return dog;
+};
+//# sourceMappingURL=watchdog.js.map
+\ No newline at end of file