MonoDevelop often makes use of threads to run operations on the background. Although we make sure to invoke all GUI update methods through the main GUI thread, sometimes there is a bug and an update is done in the secondary thread, which causes all sort of random locks and crashes.
To make it easier to track down those bugs, I created a simple profiler module for Mono which can detect invocations to GTK# methods from a thread other than the main GUI thread. This module is available here:
To use it, build and install the module, and then run your application with
the command:
mono --profile=gui-thread-check yourapp.exe
If the profiler is properly installed, you'll see an output like this:
*** Running with gui-thread-check ***
*** GUI THREAD INITIALIZED: 2861676352
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