[tustanivsky]

Events captured while a crash is being handled, e.g. from the on_crash hook, are no longer dropped by sample_rate. Backends already send crashes without sampling, so an event captured as part of the crash now gets the same treatment.

The crash handler nesting depth is tracked in sentry__enter_crash_handler()/sentry__exit_crash_handler(), and the sample_rate roll in sentry__capture_event() is skipped while it is above zero.

The depth is process-wide since inproc handles crashes on a separate handler thread, so events captured on other threads while a crash is being handled skip sampling too.

Related to getsentry/sentry-unreal#1667

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 75.70%. Comparing base (b99f526) to head (8af9927).

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2269      +/-   ##
==========================================
- Coverage   75.71%   75.70%   -0.01%     
==========================================
  Files         103      103              
  Lines       28316    28319       +3     
  Branches     5208     5210       +2     
==========================================
+ Hits        21439    21440       +1     
- Misses       5529     5532       +3     
+ Partials     1348     1347       -1     

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