From 683f6ebe3720c11f12e536f70ed1aaad5b21b937 Mon Sep 17 00:00:00 2001
From: Dave Olszewski <daveo@nodesource.com>
Date: Fri, 27 Jan 2017 10:53:12 -0800
Subject: [PATCH] Throw exception instead of segfaulting if not profiling

---
 src/cpu_profiler.cc | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/cpu_profiler.cc b/src/cpu_profiler.cc
index 949c725..d1511aa 100644
--- a/src/cpu_profiler.cc
+++ b/src/cpu_profiler.cc
@@ -56,6 +56,10 @@ namespace nodex {
     profile = v8::CpuProfiler::StopProfiling(title);
 #endif
 
+    if (profile == NULL) {
+      return Nan::ThrowError("Not profiling");
+    }
+
     info.GetReturnValue().Set(Profile::New(profile));
   }