Data race on writing_rollback variable.#447

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prohaska7 wants to merge 30 commits intopercona:masterfrom

prohaska7:apr2020-writing-rollback-race

Commits on Apr 8, 2020

glibc 2.30 defines the gettid system call, which conflicts with the
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Commits on Apr 9, 2020

Remove ctest timeout property so that we can use the ctest --timeout parameter instead.
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Fix ydb tests that fail due to loose file permissions. Note that file permissions were changed in commit 5aca29f.
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Remove obsolete debug code that was left in the tests by accident.
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Add locktree and ydb tests cases that expose the lock request retry
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When a lock is released, pending lock requests are retried. If the
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Speed up helgrind_test_partitioned_counter test by running helgrind
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Fix a test that crashed in put_callback due to a null deref. The test
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Ignore mallopt error return in memory_init when running the address sanitizer. This allows the tests to run.
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Commits on Apr 10, 2020

Commits on Apr 11, 2020

Commits on Apr 19, 2020

Fix data race on the writing_rollback variable detected by the DRD and the thread sanitizer.
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