diff options
| author | Boris Kolpackov <boris@codesynthesis.com> | 2017-02-08 07:42:41 +0200 |
|---|---|---|
| committer | Boris Kolpackov <boris@codesynthesis.com> | 2017-02-13 12:42:42 +0200 |
| commit | 5cefca444f7062c61cc9d118ffea5901e05186fd (patch) | |
| tree | 879d608f9a9084c7eaa4e5cb8bcad5650d966730 /build2/scheduler.cxx | |
| parent | db2a696f810e41189bcdf5524696ff3d0cfbe5a9 (diff) | |
Implement parallel operation execution
Diffstat (limited to 'build2/scheduler.cxx')
| -rw-r--r-- | build2/scheduler.cxx | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/build2/scheduler.cxx b/build2/scheduler.cxx index edfa02c..244f6b8 100644 --- a/build2/scheduler.cxx +++ b/build2/scheduler.cxx @@ -84,11 +84,11 @@ namespace build2 // s.tcount = &tc; - // Since we use a mutex for synchronization, we can relax the atomic - // access. + // We could probably relax the atomic access since we use a mutex for + // synchronization though this has a different tradeoff (calling wait + // because we don't see the count). // - while (!(s.shutdown || - tc.load (std::memory_order_relaxed) <= start_count)) + while (!(s.shutdown || tc <= start_count)) s.condv.wait (l); s.waiters--; |