From 0592557e49cc7d6a2da2b5d9f5aaaeefbfcf7248 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Wed, 7 Aug 2019 06:54:09 +0200
Subject: Make deadlock detection loop more robust

---
 libbuild2/scheduler.hxx | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'libbuild2/scheduler.hxx')

diff --git a/libbuild2/scheduler.hxx b/libbuild2/scheduler.hxx
index 7ceb239..99b27c9 100644
--- a/libbuild2/scheduler.hxx
+++ b/libbuild2/scheduler.hxx
@@ -153,6 +153,13 @@ namespace build2
     void
     sleep (const duration&);
 
+    // Sleep without deactivating the thread. Essentially a portable
+    // std::this_thread::sleep_for() implementation but only with the
+    // milliseconds precision on some platforms.
+    //
+    static void
+    active_sleep (const duration&);
+
     // Startup and shutdown.
     //
   public:
-- 
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