SERVER-19614 Implement stack quotas for JS

Replace existing calls to std::thread with platform threading primitives
and set a stack quota to avoid stack overflows for some recursive use
cases in js.

1 files changed, 41 insertions, 0 deletions

diff --git a/jstests/core/recursion.js b/jstests/core/recursion.js
new file mode 100644
index 00000000000..dc7b51be845
--- /dev/null
+++ b/jstests/core/recursion.js
@@ -0,0 +1,41 @@
+// Basic tests for a form of stack recursion that's been shown to cause C++
+// side stack overflows in the past. See SERVER-19614.
+
+(function () {
+    "use strict";
+
+    db.recursion.drop();
+
+    // Make sure the shell doesn't blow up
+    function shellRecursion() {
+        shellRecursion.apply();
+    }
+    assert.throws(shellRecursion);
+
+    // Make sure db.eval doesn't blow up
+    function dbEvalRecursion() {
+        db.eval(function () {
+            function recursion() {
+                recursion.apply();
+            }
+            recursion();
+        });
+    }
+    assert.commandFailedWithCode(assert.throws(dbEvalRecursion), ErrorCodes.JSInterpreterFailure);
+
+    // Make sure mapReduce doesn't blow up
+    function mapReduceRecursion() {
+        db.recursion.mapReduce(function(){
+            (function recursion(){
+                recursion.apply();
+            })();
+        }, function(){
+        }, {
+            out: 'inline'
+        });
+    }
+
+    db.recursion.insert({});
+    assert.commandFailedWithCode(
+        assert.throws(mapReduceRecursion), ErrorCodes.JSInterpreterFailure);
+}());