1 files changed, 29 insertions, 0 deletions
diff --git a/cad/PrusaSlicer/files/patch-src_slic3r_GUI_BackgroundSlicingProcess.cpp b/cad/PrusaSlicer/files/patch-src_slic3r_GUI_BackgroundSlicingProcess.cpp
new file mode 100644
index 000000000000..f56446391229
--- /dev/null
+++ b/cad/PrusaSlicer/files/patch-src_slic3r_GUI_BackgroundSlicingProcess.cpp
@@ -0,0 +1,29 @@
+--- src/slic3r/GUI/BackgroundSlicingProcess.cpp.orig	2021-07-16 10:14:03 UTC
++++ src/slic3r/GUI/BackgroundSlicingProcess.cpp
+@@ -465,7 +465,7 @@ void BackgroundSlicingProcess::schedule_export(const s
+ 		return;
+ 
+ 	// Guard against entering the export step before changing the export path.
+-	tbb::mutex::scoped_lock lock(m_print->state_mutex());
++	std::scoped_lock<std::mutex> lock(m_print->state_mutex());
+ 	this->invalidate_step(bspsGCodeFinalize);
+ 	m_export_path = path;
+ 	m_export_path_on_removable_media = export_path_on_removable_media;
+@@ -478,7 +478,7 @@ void BackgroundSlicingProcess::schedule_upload(Slic3r:
+ 		return;
+ 
+ 	// Guard against entering the export step before changing the export path.
+-	tbb::mutex::scoped_lock lock(m_print->state_mutex());
++	std::scoped_lock<std::mutex> lock(m_print->state_mutex());
+ 	this->invalidate_step(bspsGCodeFinalize);
+ 	m_export_path.clear();
+ 	m_upload_job = std::move(upload_job);
+@@ -491,7 +491,7 @@ void BackgroundSlicingProcess::reset_export()
+ 		m_export_path.clear();
+ 		m_export_path_on_removable_media = false;
+ 		// invalidate_step expects the mutex to be locked.
+-		tbb::mutex::scoped_lock lock(m_print->state_mutex());
++		std::scoped_lock<std::mutex> lock(m_print->state_mutex());
+ 		this->invalidate_step(bspsGCodeFinalize);
+ 	}
+ }