more protection against socket when closing

test/CMakeLists.txt

@@ -37,12 +37,12 @@ set (SOURCES
   IXWebSocketTestConnectionDisconnection.cpp
   IXUrlParserTest.cpp
   IXWebSocketServerTest.cpp
-  IXWebSocketCloseTest.cpp
 )
 
 # Some unittest don't work on windows yet
 if (UNIX)
   list(APPEND SOURCES
+    IXWebSocketCloseTest.cpp
     IXDNSLookupTest.cpp
     cmd_websocket_chat.cpp
   )

test/run.py

@@ -352,9 +352,12 @@ def run(testName, buildDir, sanitizer, xmlOutput, testRunName, buildOnly, useLLD
     # gen build files with CMake
     runCMake(sanitizer, buildDir)
 
-    if platform.system() == 'Darwin':
+    if platform.system() == 'Linux':
+        # build with make -j
+        runCommand('make -C {} -j 2'.format(buildDir))
+    elif platform.system() == 'Darwin':
         # build with make
-        runCommand('make -C {} -j8'.format(buildDir))
+        runCommand('make -C {} -j 8'.format(buildDir))
     else:
         # build with cmake on recent
         runCommand('cmake --build --parallel {}'.format(buildDir))