booru/page: Prevent exception when saving image(s)

Standard threads need join to be called before they are destructed.
ahodesuka · Nov 24, 2017 · 915f11c · 915f11c
1 parent 3fdd157
commit 915f11c
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/booru/page.cc b/src/booru/page.cc
@@ -159,6 +159,8 @@ void Page::search(const std::shared_ptr<Site> &site)
 void Page::save_image(const std::string &path, const std::shared_ptr<Image> &img)
 {
     m_SaveCancel->reset();
+    if (m_SaveImagesThread.joinable())
+        m_SaveImagesThread.join();
 
     m_Saving            = true;
     m_SaveImagesThread  = std::thread([ this, path, img ]()
@@ -171,6 +173,8 @@ void Page::save_image(const std::string &path, const std::shared_ptr<Image> &img
 void Page::save_images(const std::string &path)
 {
     m_SaveCancel->reset();
+    if (m_SaveImagesThread.joinable())
+        m_SaveImagesThread.join();
 
     m_Saving            = true;
     m_SaveImagesCurrent = 0;