From 566bcb8c4c36d12e398f00349c5f27cae06fa7a9 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Thu, 27 Jul 2017 18:40:52 +0200
Subject: Implement displaying build progress (--progress|-p)

---
 build2/scheduler.cxx | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'build2/scheduler.cxx')

diff --git a/build2/scheduler.cxx b/build2/scheduler.cxx
index fdf4121..65684eb 100644
--- a/build2/scheduler.cxx
+++ b/build2/scheduler.cxx
@@ -388,6 +388,17 @@ namespace build2
     return r;
   }
 
+  scheduler::monitor_guard scheduler::
+  monitor (atomic_count& c, size_t t, function<size_t (size_t)> f)
+  {
+    assert (monitor_count_ == nullptr && t != 0);
+    monitor_count_ = &c;
+    monitor_tshold_.store (t, memory_order_relaxed);
+    monitor_init_ = c.load (memory_order_relaxed);
+    monitor_func_ = move (f);
+    return monitor_guard (this);
+  }
+
   void scheduler::
   activate_helper (lock& l)
   {
-- 
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