X-Git-Url: https://cloud.milkyroute.net/gitweb/dolphin.git/blobdiff_plain/8fbb88475517cb055617ba375c8f0747f6f646e7..7eeb8dba6aeba09aa3dfa7fa5f0b00840d4d8317:/src/versioncontrol/updateitemstatesthread.cpp

diff --git a/src/versioncontrol/updateitemstatesthread.cpp b/src/versioncontrol/updateitemstatesthread.cpp
index 3ac74a11b..ca212c97d 100644
--- a/src/versioncontrol/updateitemstatesthread.cpp
+++ b/src/versioncontrol/updateitemstatesthread.cpp
@@ -25,6 +25,9 @@ UpdateItemStatesThread::UpdateItemStatesThread() :
     m_mutex(0),
     m_itemStates()
 {
+    // Several threads may share one instance of a plugin. A global
+    // mutex is required to serialize the retrieval of version control
+    // states inside run().
     static QMutex globalMutex;
     m_mutex = &globalMutex;
 }