Tweak progress logic some more

1 files changed, 11 insertions, 11 deletions

diff --git a/build2/scheduler.hxx b/build2/scheduler.hxx
index 33d0709..9e057b1 100644
--- a/build2/scheduler.hxx
+++ b/build2/scheduler.hxx
@@ -240,18 +240,7 @@ namespace build2
     {
       explicit
       monitor_guard (scheduler* s = nullptr): s_ (s) {}
-
-      ~monitor_guard ()
-      {
-        if (s_ != nullptr)
-        {
-          s_->monitor_count_ = nullptr;
-          s_->monitor_func_  = nullptr;
-        }
-      }
-
       monitor_guard (monitor_guard&& x): s_ (x.s_) {x.s_ = nullptr;}
-
       monitor_guard& operator= (monitor_guard&& x)
       {
         if (&x != this)
@@ -262,6 +251,17 @@ namespace build2
         return *this;
       }
 
+      ~monitor_guard ()
+      {
+        if (s_ != nullptr)
+        {
+          s_->monitor_count_ = nullptr;
+          s_->monitor_func_  = nullptr;
+        }
+      }
+
+      explicit operator bool () const {return s_ != nullptr;}
+
     private:
       scheduler* s_;
     };