fix: nodemon reporting crash

Fixes #1173

lib/monitor/run.js

@@ -290,15 +290,21 @@ function kill(child, signal, callback) {
     // an array of PIDs that have spawned under nodemon, and we send each the
     // configured signal (default: SIGUSR2) signal, which fixes #335
     // note that psTree also works if `ps` is missing by looking in /proc
+    const sig = signal.replace('SIG', '');
     psTree(child.pid, function (err, kids) {
-      // make sure we kill from smallest to largest
-      const pids = kids.map(p => p.PID).concat(child.pid).sort();
-
-      pids.forEach(pid => {
-        exec('kill -' + signals[signal] + ' ' + pid, () => {});
-      });
-      callback();
+      if (psTree.hasPS) {
+        spawn('kill', ['-s', sig, child.pid].concat(kids.map(p => p.PID)))
+          .on('close', callback);
+      } else {
+        // make sure we kill from smallest to largest
+        const pids = kids.map(p => p.PID).concat(child.pid).sort();
+        pids.forEach(pid => {
+          exec('kill -' + signals[signal] + ' ' + pid, () => { });
+        });
+        callback();
+      }
     });
+
   }
 }
 

package.json

@@ -52,7 +52,7 @@
     "should": "~4.0.0"
   },
   "dependencies": {
-    "@remy/pstree": "^1.0.1",
+    "@remy/pstree": "^1.1.0",
     "chokidar": "^1.7.0",
     "debug": "^2.6.8",
     "es6-promise": "^3.3.1",