| commit | e970ad0b847c497f5a2af54efc05f3423c76d2d6 | [log] [tgz] |
|---|---|---|
| author | mschaller <mschaller@google.com> | Wed Jul 12 23:08:23 2017 +0200 |
| committer | László Csomor <laszlocsomor@google.com> | Thu Jul 13 09:56:41 2017 +0200 |
| tree | 2c54aa7808e9654b8408fdc6a590f34b1e30aeb8 | |
| parent | bb967aa0fe4419e32df9d180539bd7438aafa7dc [diff] |
Avoid races while deleting output directory ancestors When an output file becomes a directory from one build to another, the filesystem operations performed by several threads can race while they prepare output directories. Without synchronization, these races can cause failures. See the comments added in this CL for more detail. This CL adds synchronization around these filsystem operations and gets rid of the problematic races. RELNOTES: None. PiperOrigin-RevId: 161714702
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