GTask BoF

See the main Hacking Days page for time and location information.

Subject

Several thread safety problems were discovered affecting g_task_run_in_thread(). Fixing them is not going to be easy. We will use this BoF to brainstorm a solution.

See:

• https://gitlab.gnome.org/GNOME/glib/merge_requests/869

• https://gitlab.gnome.org/GNOME/glib/issues/1346

Also the complete-in-idle flag and warning if finalised before returning.

Goals:

• Review the problems
• Explore possible solutions and implementation challenges
• Find consensus for a better future

Audience

Anyone interested in fixing g_task_run_in_thread().

Organizers

• MichaelCatanzaro

• ChristianHergert

Participants

People who are planning on or are expected to attend:

• MichaelCatanzaro

• ChristianHergert

• MayankSharma

• PhilipWithnall

• ...

Remote attendance

There may be a way for specific people to attend remotely. Contact PhilipWithnall if you’re interested.

Problem Statement

• Task data can be improperly destroyed in worker thread
• Source object can be improperly destroyed in worker thread
• What about task result? Task error?

• Blog post

• GLib bug