From b37f1aa6398065be806e6605a023189685669885 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Wed, 15 Feb 2017 03:55:15 +0200
Subject: Implement parallel match

---
 build2/variable | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

(limited to 'build2/variable')

diff --git a/build2/variable b/build2/variable
index af7cbef..690c45d 100644
--- a/build2/variable
+++ b/build2/variable
@@ -898,10 +898,14 @@ namespace build2
 
     variable_pool (): variable_pool (false) {}
 
-    // Proof of lock for RW access.
+    // RW access.
     //
     variable_pool&
-    rw (const ulock&) const {return const_cast<variable_pool&> (*this);}
+    rw () const
+    {
+      assert (phase == run_phase::load);
+      return const_cast<variable_pool&> (*this);
+    }
 
     variable_pool&
     rw (scope&) const {return const_cast<variable_pool&> (*this);}
-- 
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