From 848eeec75dd90c2da404f223e6534c701f11fe56 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Tue, 15 Sep 2015 11:04:12 +0200
Subject: Diagnose database locking

---
 bpkg/database.cxx | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'bpkg/database.cxx')

diff --git a/bpkg/database.cxx b/bpkg/database.cxx
index 3488fa1..1bfe9b9 100644
--- a/bpkg/database.cxx
+++ b/bpkg/database.cxx
@@ -49,11 +49,16 @@ namespace bpkg
       // also fail if the database is inaccessible (e.g., file does not
       // exist, already used by another process, etc).
       //
+      try
       {
         db.connection ()->execute ("PRAGMA locking_mode = EXCLUSIVE");
         transaction t (db.begin_exclusive ());
         t.commit ();
       }
+      catch (odb::timeout&)
+      {
+        fail << "configuration " << d << " is already used by another process";
+      }
 
       if (create)
       {
-- 
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