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API to annotate block points #195

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@vlovich vlovich commented Mar 11, 2022

Fixes #44

@emeryberger
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Please add some comments to the code, esp. regarding the new macros and their intended use case (ideally with an example), and I will merge.

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Bump @vlovich

It can be useful to leave coz tracepoints committed in the code but only
conditionally enable coz.
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vlovich commented Oct 21, 2022

Took another look and it turns out that I didn't actually implement the new _coz_ C API so they'd always be no-ops. Fixed it up and added comments as best I could.

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Allow users to mark blocking/unblocking points around direct system calls
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