+ wxEXEC_MAKE_GROUP_LEADER = 4,
+
+ // by default synchronous execution disables all program windows to avoid
+ // that the user interacts with the program while the child process is
+ // running, you can use this flag to prevent this from happening
+ wxEXEC_NODISABLE = 8,
+
+ // by default, the event loop is run while waiting for synchronous execution
+ // to complete and this flag can be used to simply block the main process
+ // until the child process finishes
+ wxEXEC_NOEVENTS = 16,
+
+ // convenient synonym for flags given system()-like behaviour
+ wxEXEC_BLOCK = wxEXEC_SYNC | wxEXEC_NOEVENTS