diff options
Diffstat (limited to 'libbuild2/context.hxx')
| -rw-r--r-- | libbuild2/context.hxx | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/libbuild2/context.hxx b/libbuild2/context.hxx index ef628c9..0595413 100644 --- a/libbuild2/context.hxx +++ b/libbuild2/context.hxx @@ -43,6 +43,11 @@ namespace build2 bool relock (run_phase unlock, run_phase lock); + // Statistics. + // + public: + size_t contention = 0; // # of contentious phase (re)locks. + private: friend class context; @@ -61,7 +66,7 @@ namespace build2 // is exclusive so we have a separate mutex to serialize it (think of it // as a second level locking). // - // When the mutex is unlocked (all three counters become zero, the phase + // When the mutex is unlocked (all three counters become zero), the phase // is always changed to load (this is also the initial state). // context& ctx_; |