Prevent datacollector from running when operating on files

This stuff was racy from the beginning. It could happen that the model
got reset after we fetched the selected indexes. Add a mutex and lock it
before operating on the file view. Hopefully this will many, if not all
random crashes.

1 files changed, 1 insertions, 0 deletions

diff --git a/smdirwatcher.cpp b/smdirwatcher.cpp
index 371e7cf..83e0efa 100644
--- a/smdirwatcher.cpp
+++ b/smdirwatcher.cpp
@@ -118,6 +118,7 @@ void SmDataColletor::setCheckForPresent(bool present){
 
 void SmDataColletor::run(){
     forever {
+        QMutexLocker l(&mHoldMx);
         mSemUsed->acquire();
         if(mCancel){
             QSqlDatabase::database("collectordb").close();