Source/modules/webdatabase/SQLTransactionCoordinator.h - Issue 201083003: Oilpan: Prepare to move DatabaseThread and SQLTransactionCoordinator to Oilpan heap.

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Issue 201083003: Oilpan: Prepare to move DatabaseThread and SQLTransactionCoordinator to Oilpan heap. (Closed) Base URL: svn://svn.chromium.org/blink/trunk

Patch Set: Created 6 years, 9 months ago

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1 /*	1 /*

2 * Copyright (C) 2009 Google Inc. All rights reserved.	2 * Copyright (C) 2009 Google Inc. All rights reserved.

3 * Copyright (C) 2013 Apple Inc. All rights reserved.	3 * Copyright (C) 2013 Apple Inc. All rights reserved.

4 *	4 *

5 * Redistribution and use in source and binary forms, with or without	5 * Redistribution and use in source and binary forms, with or without

6 * modification, are permitted provided that the following conditions are	6 * modification, are permitted provided that the following conditions are

7 * met:	7 * met:

8 *	8 *

9 * * Redistributions of source code must retain the above copyright	9 * * Redistributions of source code must retain the above copyright

10 * notice, this list of conditions and the following disclaimer.	10 * notice, this list of conditions and the following disclaimer.

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36 #include "wtf/Deque.h"	36 #include "wtf/Deque.h"

37 #include "wtf/HashMap.h"	37 #include "wtf/HashMap.h"

38 #include "wtf/HashSet.h"	38 #include "wtf/HashSet.h"

39 #include "wtf/RefPtr.h"	39 #include "wtf/RefPtr.h"

40 #include "wtf/text/StringHash.h"	40 #include "wtf/text/StringHash.h"

41	41

42 namespace WebCore {	42 namespace WebCore {

43	43

44 class SQLTransactionBackend;	44 class SQLTransactionBackend;

45	45

46 class SQLTransactionCoordinator {	46 class SQLTransactionCoordinator : public NoBaseWillBeGarbageCollected<SQLTransac tionCoordinator> {

47 WTF_MAKE_NONCOPYABLE(SQLTransactionCoordinator); WTF_MAKE_FAST_ALLOCATED;	47 WTF_MAKE_NONCOPYABLE(SQLTransactionCoordinator);

	48 WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED;

48 public:	49 public:

49 SQLTransactionCoordinator();	50 SQLTransactionCoordinator();

	51 void trace(Visitor*);

50 void acquireLock(SQLTransactionBackend*);	52 void acquireLock(SQLTransactionBackend*);

51 void releaseLock(SQLTransactionBackend*);	53 void releaseLock(SQLTransactionBackend*);

52 void shutdown();	54 void shutdown();

53 private:	55 private:

54 typedef Deque<RefPtrWillBeMember<SQLTransactionBackend> > TransactionsQueue;	56 typedef Deque<RefPtrWillBeMember<SQLTransactionBackend> > TransactionsQueue;

55 struct CoordinationInfo {	57 struct CoordinationInfo {

56 TransactionsQueue pendingTransactions;	58 TransactionsQueue pendingTransactions;

57 WillBeHeapHashSet<RefPtrWillBeMember<SQLTransactionBackend> > activeRead Transactions;	59 WillBeHeapHashSet<RefPtrWillBeMember<SQLTransactionBackend> > activeRead Transactions;

58 RefPtrWillBeMember<SQLTransactionBackend> activeWriteTransaction;	60 RefPtrWillBeMember<SQLTransactionBackend> activeWriteTransaction;

59	61

60 void trace(Visitor* visitor)	62 void trace(Visitor* visitor)

61 {	63 {

62 visitor->trace(pendingTransactions);	64 visitor->trace(pendingTransactions);

63 visitor->trace(activeReadTransactions);	65 visitor->trace(activeReadTransactions);

64 visitor->trace(activeWriteTransaction);	66 visitor->trace(activeWriteTransaction);

65 }	67 }

66 ALLOW_ONLY_INLINE_ALLOCATION();	68 ALLOW_ONLY_INLINE_ALLOCATION();

67 };	69 };

68 // Maps database names to information about pending transactions	70 // Maps database names to information about pending transactions

69 typedef WillBePersistentHeapHashMap<String, CoordinationInfo> CoordinationIn foHeapMap;	71 typedef WillBeHeapHashMap<String, CoordinationInfo> CoordinationInfoHeapMap;

70 CoordinationInfoHeapMap m_coordinationInfoMap;	72 CoordinationInfoHeapMap m_coordinationInfoMap;

71 bool m_isShuttingDown;	73 bool m_isShuttingDown;

72	74

73 void processPendingTransactions(CoordinationInfo&);	75 void processPendingTransactions(CoordinationInfo&);

74 };	76 };

75	77

76 } // namespace WebCore	78 } // namespace WebCore

77	79

78 #endif // SQLTransactionCoordinator_h	80 #endif // SQLTransactionCoordinator_h

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