[PATCH] D35958: [sancov] Implement __sanitizer_cov_reset.

[Evgenii Stepanov via Phabricator via llvm-commits]

eugenis updated this revision to Diff 108539.
eugenis added a comment.

PTAL. I've slapped a mutex on all updates to pc_vector other than new coverage. This should prevent reset/dump vs dlopen conflicts (dlopen may reallocate pc_vector). Reset/dump vs new coverage is IMHO too trivial to even mention in the comments, and completely safe.


https://reviews.llvm.org/D35958

Files:
  compiler-rt/include/sanitizer/coverage_interface.h
  compiler-rt/lib/sanitizer_common/sanitizer_coverage_interface.inc
  compiler-rt/lib/sanitizer_common/sanitizer_coverage_libcdep_new.cc
  compiler-rt/test/asan/TestCases/Posix/coverage-reset.cc

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