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| author | Todd Fiala <todd.fiala@gmail.com> | 2014-09-15 20:07:33 +0000 |
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| committer | Todd Fiala <todd.fiala@gmail.com> | 2014-09-15 20:07:33 +0000 |
| commit | 7b0917a0c5a7b015e521c2ea719fdddc7f7b0d66 (patch) | |
| tree | 03189805e0fb8976aaca4c1acd461075b0a6aff5 /lldb/scripts/Python/interface/SBFunction.i | |
| parent | 52550349827a1b836de87ec83689fa89b1d208f0 (diff) | |
| download | llvm-7b0917a0c5a7b015e521c2ea719fdddc7f7b0d66.zip llvm-7b0917a0c5a7b015e521c2ea719fdddc7f7b0d66.tar.gz llvm-7b0917a0c5a7b015e521c2ea719fdddc7f7b0d66.tar.bz2 | |
use std::atomic<> to protect variables being accessed by multiple threads
There are several places where multiple threads are accessing the same variables simultaneously without any kind of protection. I propose using std::atomic<> to make it safer. I did a special build of lldb, using the google tool 'thread sanitizer' which identified many cases of multiple threads accessing the same memory. std::atomic is low overhead and does not use any locks for simple types such as int/bool.
See http://reviews.llvm.org/D5302 for more details.
Change by Shawn Best.
llvm-svn: 217818
Diffstat (limited to 'lldb/scripts/Python/interface/SBFunction.i')
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