libdistributed version 0.0.2

Bug Fix

+ Previously, the wrong condition was used in WorkerStopToken that
  prevented early termination from working as intended to stop workers
  early. This was resolved by using the correct condition.

Author: robertu94

CMakeLists.txt

@@ -1,5 +1,5 @@
 cmake_minimum_required(VERSION 3.12)
-project(libdistributed VERSION "0.0.1" LANGUAGES CXX)
+project(libdistributed VERSION "0.0.2" LANGUAGES CXX)
 
 #correct was to set a default build type
 # https://blog.kitware.com/cmake-and-the-default-build-type/

include/work_queue_impl.h

@@ -55,7 +55,7 @@ class WorkerStopToken : public StopToken
   {}
 
   bool stop_requested() override {
-    if(flag) {
+    if(!flag) {
       MPI_Test(&stop_request, &flag, MPI_STATUS_IGNORE);
     }
     return flag;
@@ -265,7 +265,10 @@ void worker(MPI_Comm comm, MPI_Datatype request_dtype, MPI_Datatype response_dty
         break;
     }
   }
-  MPI_Wait(&stop_request, MPI_STATUS_IGNORE);
+
+  if(!stop_token.stop_requested()) {
+    MPI_Wait(&stop_request, MPI_STATUS_IGNORE);
+  }
 }
 
 }