| Avi Drissman | 69b874f | 2022-09-15 19:11:14 | [diff] [blame] | 1 | // Copyright 2018 The Chromium Authors |
| Victor Costan | 3653df6 | 2018-02-08 21:38:16 | [diff] [blame] | 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #include"sql/initialization.h" |
| 6 | |
| Victor Costan | 3653df6 | 2018-02-08 21:38:16 | [diff] [blame] | 7 | #include"base/no_destructor.h" |
| Victor Costan | 90dae26 | 2021-06-01 21:01:08 | [diff] [blame] | 8 | #include"base/synchronization/lock.h" |
| Etienne Bergeron | d4888db | 2021-04-30 01:18:49 | [diff] [blame] | 9 | #include"base/trace_event/trace_event.h" |
| Evan Stade | a498724 | 2024-01-26 00:40:39 | [diff] [blame] | 10 | #include"sql/vfs_wrapper.h" |
| Victor Costan | 3653df6 | 2018-02-08 21:38:16 | [diff] [blame] | 11 | #include"third_party/sqlite/sqlite3.h" |
| 12 | |
| 13 | namespace sql{ |
| 14 | |
| Evan Stade | a498724 | 2024-01-26 00:40:39 | [diff] [blame] | 15 | voidEnsureSqliteInitialized(bool create_wrapper){ |
| Victor Costan | 3653df6 | 2018-02-08 21:38:16 | [diff] [blame] | 16 | // sqlite3_initialize() uses double-checked locking and thus can have |
| 17 | // data races. |
| 18 | static base::NoDestructor<base::Lock> sqlite_init_lock; |
| 19 | base::AutoLock auto_lock(*sqlite_init_lock); |
| 20 | |
| 21 | staticbool first_call=true; |
| 22 | if(first_call){ |
| Etienne Bergeron | d4888db | 2021-04-30 01:18:49 | [diff] [blame] | 23 | TRACE_EVENT0("sql","EnsureSqliteInitialized"); |
| Victor Costan | 3653df6 | 2018-02-08 21:38:16 | [diff] [blame] | 24 | sqlite3_initialize(); |
| Victor Costan | 3653df6 | 2018-02-08 21:38:16 | [diff] [blame] | 25 | first_call=false; |
| 26 | } |
| Evan Stade | a498724 | 2024-01-26 00:40:39 | [diff] [blame] | 27 | |
| 28 | if(create_wrapper){ |
| 29 | EnsureVfsWrapper(); |
| 30 | } |
| Victor Costan | 3653df6 | 2018-02-08 21:38:16 | [diff] [blame] | 31 | } |
| 32 | |
| 33 | }// namespace sql |
