From ba4dcd90fb14e72d9e672f62228c03ddd3a9dc3a Mon Sep 17 00:00:00 2001
From: Simon Rettberg
Date: Mon, 16 Apr 2018 11:09:15 +0200
Subject: [SERVER] Acquire write lock before initializing array

---
 src/server/altservers.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/server/altservers.c b/src/server/altservers.c
index 27fb27e..4a2b8d5 100644
--- a/src/server/altservers.c
+++ b/src/server/altservers.c
@@ -36,10 +36,14 @@ void altservers_init()
 		logadd( LOG_ERROR, "Could not start altservers connector thread" );
 		exit( EXIT_FAILURE );
 	}
-	// Init waiting links queue
+	// Init waiting links queue -- this is currently a global static array so
+	// it will already be zero, but in case we refactor later do it explicitly
+	// while also holding the write lock so thread sanitizer is happy
+	spin_lock( &pendingLockWrite );
 	for (int i = 0; i < SERVER_MAX_PENDING_ALT_CHECKS; ++i) {
 		pending[i] = NULL;
 	}
+	spin_unlock( &pendingLockWrite );
 	initDone = true;
 }
 
-- 
cgit v1.2.3-55-g7522