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- // Copyright 2018 The Chromium Authors. All rights reserved.
- // Use of this source code is governed by a BSD-style license that can be
- // found in the LICENSE file.
- #include "sql/initialization.h"
- #include "base/no_destructor.h"
- #include "base/synchronization/lock.h"
- #include "base/trace_event/trace_event.h"
- #include "third_party/sqlite/sqlite3.h"
- namespace sql {
- void EnsureSqliteInitialized() {
- // sqlite3_initialize() uses double-checked locking and thus can have
- // data races.
- static base::NoDestructor<base::Lock> sqlite_init_lock;
- base::AutoLock auto_lock(*sqlite_init_lock);
- static bool first_call = true;
- if (first_call) {
- TRACE_EVENT0("sql", "EnsureSqliteInitialized");
- sqlite3_initialize();
- first_call = false;
- }
- }
- } // namespace sql
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