From 18a458e37b454e3d2cd475543d1a60887ddb2e97 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Mon, 10 Aug 2020 16:32:34 +0200
Subject: Fix bug scheduler::allocate/deallocate()

---
 libbuild2/scheduler.cxx | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libbuild2/scheduler.cxx b/libbuild2/scheduler.cxx
index 03842ec..deb5399 100644
--- a/libbuild2/scheduler.cxx
+++ b/libbuild2/scheduler.cxx
@@ -198,7 +198,7 @@ namespace build2
       size_t d (max_active_ - active_);
       if (n == 0 || d < n)
         n = d;
-      active_ -= n;
+      active_ += n;
       return n;
     }
     else
@@ -212,7 +212,7 @@ namespace build2
       return;
 
     lock l (mutex_);
-    active_ += n;
+    active_ -= n;
   }
 
   size_t scheduler::
-- 
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