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| author | Eric Wong <e@80x24.org> | 2013-10-20 04:17:01 +0000 |
|---|---|---|
| committer | Eric Wong <e@80x24.org> | 2013-10-20 04:17:01 +0000 |
| commit | bcb10abe53cfb1d6a8ef7daef59eb10ced397c8a (patch) | |
| tree | b5a5cd933b105f2a470ff5db9c920ac479eb060e /test/test_bin.rb | |
| parent | 76f7451408315fe5256d204ceee0e259d1282b85 (diff) | |
| download | yahns-bcb10abe53cfb1d6a8ef7daef59eb10ced397c8a.tar.gz | |
In multithreaded apps, we must use dup2/dup3 with a temporary descriptor to reopen log files atomically. This is the only way to protect all concurrent userspace access to a file when reopening. ref: http://bugs.ruby-lang.org/issues/9036
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