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e67ee46642
Summary: This function uses racing reads for heuristic performance improvement. My change in https://github.com/facebook/rocksdb/issues/11792 only worked for clang, not gcc, and gcc does not accurately handle TSAN suppressions. I would have to mark much more code as suppressed than I want to. So I've taken a different approach: TSAN build does not use the racing reads but substitutes random results, as an extra test that a "correct" value is not needed for correct overall behavior. Pull Request resolved: https://github.com/facebook/rocksdb/pull/11806 Test Plan: manual TSAN builds & tests with cache_bench Reviewed By: ajkr Differential Revision: D49100115 Pulled By: pdillinger fbshipit-source-id: d6d0dfb796d710b953212dd3fc171b6e88fadea1 |
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| .. | ||
| win | ||
| jemalloc_helper.h | ||
| lang.h | ||
| likely.h | ||
| malloc.h | ||
| mmap.cc | ||
| mmap.h | ||
| port.h | ||
| port_dirent.h | ||
| port_example.h | ||
| port_posix.cc | ||
| port_posix.h | ||
| README | ||
| stack_trace.cc | ||
| stack_trace.h | ||
| sys_time.h | ||
| util_logger.h | ||
| xpress.h | ||
This directory contains interfaces and implementations that isolate the rest of the package from platform details. Code in the rest of the package includes "port.h" from this directory. "port.h" in turn includes a platform specific "port_<platform>.h" file that provides the platform specific implementation. See port_posix.h for an example of what must be provided in a platform specific header file.