Source/modules/webdatabase/DatabaseThread.h - Issue 596083005: DatabaseBackend should not post a task to an already terminated database thread

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Issue 596083005: DatabaseBackend should not post a task to an already terminated database thread (Closed) Base URL: svn://svn.chromium.org/blink/trunk

Patch Set: Created 6 years, 3 months ago

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« Source/modules/webdatabase/DatabaseBackend.cpp ('K') | « Source/modules/webdatabase/DatabaseTask.h ('k') | Source/modules/webdatabase/DatabaseThread.cpp » ('j') | Source/modules/webdatabase/DatabaseThread.cpp » ('J')
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1 /*	1 /*

2 * Copyright (C) 2007, 2008 Apple Inc. All rights reserved.	2 * Copyright (C) 2007, 2008 Apple Inc. All rights reserved.

3 *	3 *

4 * Redistribution and use in source and binary forms, with or without	4 * Redistribution and use in source and binary forms, with or without

5 * modification, are permitted provided that the following conditions	5 * modification, are permitted provided that the following conditions

6 * are met:	6 * are met:

7 *	7 *

8 * 1. Redistributions of source code must retain the above copyright	8 * 1. Redistributions of source code must retain the above copyright

9 * notice, this list of conditions and the following disclaimer.	9 * notice, this list of conditions and the following disclaimer.

10 * 2. Redistributions in binary form must reproduce the above copyright	10 * 2. Redistributions in binary form must reproduce the above copyright

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52 class TaskSynchronizer;	52 class TaskSynchronizer;

53	53

54 class DatabaseThread : public ThreadSafeRefCountedWillBeGarbageCollectedFinalize d<DatabaseThread> {	54 class DatabaseThread : public ThreadSafeRefCountedWillBeGarbageCollectedFinalize d<DatabaseThread> {

55 public:	55 public:

56 static PassRefPtrWillBeRawPtr<DatabaseThread> create() { return adoptRefWill BeNoop(new DatabaseThread); }	56 static PassRefPtrWillBeRawPtr<DatabaseThread> create() { return adoptRefWill BeNoop(new DatabaseThread); }

57 ~DatabaseThread();	57 ~DatabaseThread();

58 void trace(Visitor*);	58 void trace(Visitor*);

59	59

60 void start();	60 void start();

61 void requestTermination(TaskSynchronizer* cleanupSync);	61 void requestTermination(TaskSynchronizer* cleanupSync);

62 bool terminationRequested(TaskSynchronizer* = 0) const;	62 bool terminationRequested() const;

63	63

64 void scheduleTask(PassOwnPtr<DatabaseTask>);	64 void scheduleTask(PassOwnPtr<DatabaseTask>);

65	65

66 void recordDatabaseOpen(DatabaseBackend*);	66 void recordDatabaseOpen(DatabaseBackend*);

67 void recordDatabaseClosed(DatabaseBackend*);	67 void recordDatabaseClosed(DatabaseBackend*);

68 bool isDatabaseOpen(DatabaseBackend*);	68 bool isDatabaseOpen(DatabaseBackend*);

69	69

70 bool isDatabaseThread() { return m_thread && m_thread->isCurrentThread(); }	70 bool isDatabaseThread() { return m_thread && m_thread->isCurrentThread(); }

71	71

72 SQLTransactionClient* transactionClient() { return m_transactionClient.get() ; }	72 SQLTransactionClient* transactionClient() { return m_transactionClient.get() ; }

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90 OwnPtrWillBeMember<SQLTransactionCoordinator> m_transactionCoordinator;	90 OwnPtrWillBeMember<SQLTransactionCoordinator> m_transactionCoordinator;

91 TaskSynchronizer* m_cleanupSync;	91 TaskSynchronizer* m_cleanupSync;

92	92

93 mutable Mutex m_terminationRequestedMutex;	93 mutable Mutex m_terminationRequestedMutex;

94 bool m_terminationRequested;	94 bool m_terminationRequested;

95 };	95 };

96	96

97 } // namespace blink	97 } // namespace blink

98	98

99 #endif // DatabaseThread_h	99 #endif // DatabaseThread_h

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