1 files changed, 43 insertions, 0 deletions
diff --git a/deps/npm/node_modules/foreground-child/dist/cjs/watchdog.js b/deps/npm/node_modules/foreground-child/dist/cjs/watchdog.js
new file mode 100644
index 0000000000..5f553ac1ae
--- /dev/null
+++ b/deps/npm/node_modules/foreground-child/dist/cjs/watchdog.js
@@ -0,0 +1,43 @@
+"use strict";
+// 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.
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.watchdog = void 0;
+const child_process_1 = require("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)
+}
+`;
+const watchdog = (child) => {
+    let dogExited = false;
+    const dog = (0, child_process_1.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;
+};
+exports.watchdog = watchdog;
+//# sourceMappingURL=watchdog.js.map
+\ No newline at end of file