Mark the two Regions used GraphicsBitmaps as explicitly shared.

This fixes a goofy problem where forking a GUI process would cowify the
GraphicsBitmap for everyone making a hue confusing mess.

1 files changed, 2 insertions, 0 deletions

diff --git a/SharedGraphics/GraphicsBitmap.cpp b/SharedGraphics/GraphicsBitmap.cpp
index 00dcd3707a..3da6cce03c 100644
--- a/SharedGraphics/GraphicsBitmap.cpp
+++ b/SharedGraphics/GraphicsBitmap.cpp
@@ -21,12 +21,14 @@ GraphicsBitmap::GraphicsBitmap(Process& process, const Size& size)
     size_t size_in_bytes = size.width() * size.height() * sizeof(RGBA32);
     auto vmo = VMObject::create_anonymous(size_in_bytes);
     m_client_region = process.allocate_region_with_vmo(LinearAddress(), size_in_bytes, vmo.copyRef(), 0, "GraphicsBitmap (client)", true, true);
+    m_client_region->set_shared(true);
     m_client_region->commit(process);
 
     {
         auto& server = WSEventLoop::the().server_process();
         InterruptDisabler disabler;
         m_server_region = server.allocate_region_with_vmo(LinearAddress(), size_in_bytes, move(vmo), 0, "GraphicsBitmap (server)", true, true);
+        m_server_region->set_shared(true);
     }
     m_data = (RGBA32*)m_server_region->linearAddress.asPtr();
 }