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Commit adef7542 authored by Sergey Matveev's avatar Sergey Matveev
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[sanitizer] Fix deadlock in StopTheWorld. 

The tracer thread in StopTheWorld could wait on a mutex forever if the parent
process died before unlocking it. Use PR_SET_PDEATHSIG so that the parent would
kill the child in this scenario.

llvm-svn: 192210
parent b32b1be7
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