Mike Ash 3100be12fa [Runtime] Don't enable tracing in logd, diagnosticd, notifyd. ...

We can't use os_log functionality in logd, diagnosticd, or notifyd. Check for them and disable tracing in those processes.

Add a new TracingCommon.h for common code shared between swiftCore and swift_Concurrency tracing. Add a single function that checks if tracing should be enabled, which now checks if os_signpost_enabled is available, and if the process is one of these. Modify the tracing code to check this before creating os_log objects.

rdar://124226334

2024-03-11 21:06:15 -04:00

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