[PATCH] D38119: [XRay][compiler-rt] Use a hand-written circular buffer in BufferQueue

[Dean Michael Berris via Phabricator via llvm-commits]

dberris updated this revision to Diff 117626.
dberris added a comment.

- fixup: keep track of live buffers indepdendent of the pointers


https://reviews.llvm.org/D38119

Files:
  lib/xray/xray_buffer_queue.cc
  lib/xray/xray_buffer_queue.h
  test/xray/TestCases/Linux/fdr-thread-order.cc

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