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tsan: make detecting the need for locking when using tsan easier #17479

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wants to merge 8 commits into from
Closed

tsan: make detecting the need for locking when using tsan easier #17479

wants to merge 8 commits into from

Commits on Jan 13, 2022

  1. threadstest: add write check to lock checking

    @paulidale
    paulidale committed Jan 13, 2022
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  2. tsan: make detecting the need for locking when using tsan easier

    @paulidale
    paulidale committed Jan 13, 2022
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  3. core namemap: use updated tsan lock detection capabilities

    @paulidale
    paulidale committed Jan 13, 2022
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  4. object: use updated tsan lock detection capabilities

    @paulidale
    paulidale committed Jan 13, 2022
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  5. mem: do not produce usage counts when tsan is unavailable. 

    Doing the tsan operations under lock would be difficult to arrange here (locks
require memory allocation).
    @paulidale
    paulidale committed Jan 13, 2022
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  6. lhash: use lock when TSAN not available for statistics gathering

    @paulidale
    paulidale committed Jan 13, 2022
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  7. drbg: add handling for cases where TSAN isn't available 

    Most of the DRGB code is run under lock from the EVP layer.  This is relied
on to make the majority of TSAN operations safe.  However, it is still necessary
to enable locking for all DRBGs created.
    @paulidale
    paulidale committed Jan 13, 2022
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  8. threadstest: use locking for tsan operations if required 

    Not all platforms support tsan operations, those that don't need to have an
alternative locking path.

Fixes openssl#17447
    @paulidale
    paulidale committed Jan 13, 2022
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