Merge CV, ver=5.1; ops/methods from HV, and interface from CV where possible

[goodguy/history.git] / cinelerra-5.1 / cinelerra / mutex_bug

diff --git a/cinelerra-5.1/cinelerra/mutex_bug b/cinelerra-5.1/cinelerra/mutex_bug
new file mode 100644 (file)
index 0000000..7b34f02
--- /dev/null
+++ b/cinelerra-5.1/cinelerra/mutex_bug
@@ -0,0 +1,21 @@
+VEdit::render checking out
+Cache::check_out 1
+Cache::check_out 2
+                       VEdit::draw checking out
+                       Cache::check_out 1
+VEdit::render checking in
+                                               ATrack::render checking out
+                                               Cache::check_out 1
+Cache::check_in 1
+                       Cache::check_out 2
+Cache::check_in 2
+VEdit::render done
+                                                                       VRender::process_buffer age video
+                                                                       Cache::age_type 1
+                                                                       Cache::lock_all 1
+                                                                       Cache::lock_all 2
+but ATrack::render has locked check_out at this point.
+                       VEdit::draw checking in
+                       Cache::check_in 1
+but Cache::age_type has locked check_in and check_out can't be unlocked until 
+VEdit completes