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| author | Michael Bebenita <[email protected]> | 2010-08-24 21:06:56 -0700 |
|---|---|---|
| committer | Michael Bebenita <[email protected]> | 2010-08-24 21:07:14 -0700 |
| commit | 64ff82ecf98ceb4725f0f51c73e23d1efc2160bc (patch) | |
| tree | 6a6ae7452066716947c4d262eb72041a6a11cb95 /src/rt/sync/sync.h | |
| parent | Comment on env var required for std.dbg to do any logging. (diff) | |
| download | rust-64ff82ecf98ceb4725f0f51c73e23d1efc2160bc.tar.xz rust-64ff82ecf98ceb4725f0f51c73e23d1efc2160bc.zip | |
Implemented an lock free queue based on this paper http://www.cs.rochester.edu/~scott/papers/1996_PODC_queues.pdf, the "lock free queue" we had before wasn't lock free at all.
Diffstat (limited to 'src/rt/sync/sync.h')
| -rw-r--r-- | src/rt/sync/sync.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/rt/sync/sync.h b/src/rt/sync/sync.h index 902b5661..8c9a13f0 100644 --- a/src/rt/sync/sync.h +++ b/src/rt/sync/sync.h @@ -4,6 +4,11 @@ class sync { public: static void yield(); + template <class T> + static bool compare_and_swap(T *address, + T oldValue, T newValue) { + return __sync_bool_compare_and_swap(address, oldValue, newValue); + } }; #endif /* SYNC_H */ |