From 4a2a3bd5033744c31377d31ca54be00622280a1b Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Mon, 26 Feb 2024 09:14:37 +0200
Subject: Add ability to request serialization from scheduler

In particular, this can be used to make sure no other recipe is being
executed in parallel with the caller.
---
 libbuild2/context.ixx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'libbuild2/context.ixx')

diff --git a/libbuild2/context.ixx b/libbuild2/context.ixx
index 7b2a405..6c8c428 100644
--- a/libbuild2/context.ixx
+++ b/libbuild2/context.ixx
@@ -56,7 +56,7 @@ namespace build2
   inline void wait_guard::
   wait ()
   {
-    phase_unlock u (*ctx, phase, true /* delay */);
+    phase_unlock u (phase ? ctx : nullptr, true /* delay */);
     ctx->sched->wait (start_count, *task_count, u);
     task_count = nullptr;
   }
-- 
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