Added stress test for thrift benchmarks

Modified TServer - made it a subclass of concurrency::Runnable to allow servers to be handed directly to concurreny::ThreadFactory when creating server threads.
    


git-svn-id: https://svn.apache.org/repos/asf/incubator/thrift/trunk@664759 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/lib/cpp/src/test/StressTest.thrift b/lib/cpp/src/test/StressTest.thrift
new file mode 100644
index 0000000..89e2f9b
--- /dev/null
+++ b/lib/cpp/src/test/StressTest.thrift
@@ -0,0 +1,11 @@
+namespace test.stress
+
+service Service {
+
+  void echoVoid(),
+  byte echoByte(byte arg),
+  u16 echoU16(u16 arg),
+  u32 echoU32(u32 arg),
+  u64 echoU64(u64 arg),
+}
+