[Minor] Fighting with windmills (sqlite locking)

diff --git a/src/libutil/sqlite_utils.c b/src/libutil/sqlite_utils.c
index 376a4eca18b6c39143617bf93bcd19dddb3f6dec..04b71ca6387d613d51960385bec4637131a4dd96 100644 (file)
--- a/src/libutil/sqlite_utils.c
+++ b/src/libutil/sqlite_utils.c
@@ -372,7 +372,18 @@ rspamd_sqlite3_open_or_create (rspamd_mempool_t *pool, const gchar *path, const
                }
 
                if (create_sql) {
-                       if (sqlite3_exec (sqlite, create_sql, NULL, NULL, NULL) != SQLITE_OK) {
+                       while ((rc = sqlite3_exec (sqlite, create_sql, NULL, NULL, NULL)) != SQLITE_OK) {
+                               if (rc == SQLITE_BUSY) {
+                                       struct timespec sleep_ts = {
+                                                       .tv_sec = 0,
+                                                       .tv_nsec = 1000000
+                                       };
+
+                                       nanosleep (&sleep_ts, NULL);
+
+                                       continue;
+                               }
+
                                g_set_error (err, rspamd_sqlite3_quark (),
                                                -1, "cannot execute create sql `%s`: %s",
                                                create_sql, sqlite3_errmsg (sqlite));