fix: wait for the server to be done

without this fix I was running into errors running benchmarks
back-to-back, I believe because the first benchmark run wouldn't
shut down and release the port in time

Author: kmod

benchmarks/aiohttp.py

@@ -35,6 +35,7 @@
 
     finally:
         p.terminate()
+        p.wait()
 
     if len(sys.argv) > 2:
         json.dump(times, open(sys.argv[2], 'w'))

benchmarks/djangocms.py

@@ -79,6 +79,7 @@ def runbenchmark(n=800, out_file=None):
 
     finally:
         p.terminate()
+        p.wait()
 
 if __name__ == "__main__":
     exe = sys.executable

benchmarks/flaskblogging.py

@@ -35,6 +35,7 @@
 
     finally:
         p.terminate()
+        p.wait()
 
     if len(sys.argv) > 2:
         json.dump(times, open(sys.argv[2], 'w'))

benchmarks/gunicorn.py

@@ -35,6 +35,7 @@
 
     finally:
         p.terminate()
+        p.wait()
 
     if len(sys.argv) > 2:
         json.dump(times, open(sys.argv[2], 'w'))