SWI-Prolog -- tnodebug/0

Documentation
- Reference manual
  - Multithreaded applications
    - Thread support library(threadutil)
      - Debugging threads
        
        attach_console/0
        
        tdebug/1
        
        tdebug/0
        
        tnodebug/1
        
        tnodebug/0
        
        tspy/2
        
        tspy/1
- Packages

Source

Disable debugging in all threads.