tree 694503a753d30a657de097585877c9d97126651e
parent d5cc64c539545fae92227942c584aafd7a528c99
author sihui_liu@apple.com <sihui_liu@apple.com@268f45cc-cd09-0410-ab3c-d52691b4dbfc> 1554487569 +0000
committer sihui_liu@apple.com <sihui_liu@apple.com@268f45cc-cd09-0410-ab3c-d52691b4dbfc> 1554487569 +0000

[iOS] Web process gets suspended while holding locked database files
https://bugs.webkit.org/show_bug.cgi?id=196519
<rdar://problem/49531797>

Reviewed by Chris Dumez.

Source/WebCore:

We should close all databases and make sure not open new databases when web process is ready to suspend.

* platform/sql/SQLiteDatabase.cpp:
(WebCore::SQLiteDatabase::setIsDatabaseOpeningForbidden):
(WebCore::SQLiteDatabase::open):
* platform/sql/SQLiteDatabase.h:
* platform/sql/SQLiteDatabaseTracker.cpp:
(WebCore::SQLiteDatabaseTracker::setClient):
(WebCore::SQLiteDatabaseTracker::incrementTransactionInProgressCount):
(WebCore::SQLiteDatabaseTracker::decrementTransactionInProgressCount):
(WebCore::SQLiteDatabaseTracker::hasTransactionInProgress):

Source/WebKit:

* Shared/WebSQLiteDatabaseTracker.cpp:
(WebKit::WebSQLiteDatabaseTracker::~WebSQLiteDatabaseTracker):
* Shared/WebSQLiteDatabaseTracker.h:
* WebProcess/WebProcess.cpp:
(WebKit::m_webSQLiteDatabaseTracker):
(WebKit::WebProcess::actualPrepareToSuspend):
(WebKit::WebProcess::processWillSuspendImminently):
(WebKit::WebProcess::cancelPrepareToSuspend):
(WebKit::WebProcess::processDidResume):
* WebProcess/WebProcess.h:


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@243939 268f45cc-cd09-0410-ab3c-d52691b4dbfc