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1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "chrome/renderer/visitedlink_slave.h" | 5 #include "chrome/renderer/visitedlink_slave.h" |
6 | 6 |
7 #include "base/logging.h" | 7 #include "base/logging.h" |
8 #include "base/shared_memory.h" | 8 #include "base/shared_memory.h" |
9 | 9 |
10 VisitedLinkSlave::VisitedLinkSlave() : shared_memory_(NULL) { | 10 VisitedLinkSlave::VisitedLinkSlave() : shared_memory_(NULL) { |
11 } | 11 } |
12 VisitedLinkSlave::~VisitedLinkSlave() { | 12 VisitedLinkSlave::~VisitedLinkSlave() { |
13 FreeTable(); | 13 FreeTable(); |
14 } | 14 } |
15 | 15 |
16 // This function's job is to initialize the table with the given | 16 // This function's job is to initialize the table with the given |
17 // shared memory handle. This memory is mappend into the process. | 17 // shared memory handle. This memory is mappend into the process. |
18 bool VisitedLinkSlave::Init(SharedMemoryHandle shared_memory) { | 18 bool VisitedLinkSlave::Init(base::SharedMemoryHandle shared_memory) { |
19 // since this function may be called again to change the table, we may need | 19 // since this function may be called again to change the table, we may need |
20 // to free old objects | 20 // to free old objects |
21 FreeTable(); | 21 FreeTable(); |
22 DCHECK(shared_memory_ == NULL && hash_table_ == NULL); | 22 DCHECK(shared_memory_ == NULL && hash_table_ == NULL); |
23 | 23 |
24 // create the shared memory object | 24 // create the shared memory object |
25 shared_memory_ = new SharedMemory(shared_memory, true); | 25 shared_memory_ = new base::SharedMemory(shared_memory, true); |
26 if (!shared_memory_) | 26 if (!shared_memory_) |
27 return false; | 27 return false; |
28 | 28 |
29 // map the header into our process so we can see how long the rest is, | 29 // map the header into our process so we can see how long the rest is, |
30 // and set the salt | 30 // and set the salt |
31 if (!shared_memory_->Map(sizeof(SharedHeader))) | 31 if (!shared_memory_->Map(sizeof(SharedHeader))) |
32 return false; | 32 return false; |
33 SharedHeader* header = | 33 SharedHeader* header = |
34 static_cast<SharedHeader*>(shared_memory_->memory()); | 34 static_cast<SharedHeader*>(shared_memory_->memory()); |
35 DCHECK(header); | 35 DCHECK(header); |
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54 | 54 |
55 void VisitedLinkSlave::FreeTable() { | 55 void VisitedLinkSlave::FreeTable() { |
56 if (shared_memory_ ) { | 56 if (shared_memory_ ) { |
57 delete shared_memory_; | 57 delete shared_memory_; |
58 shared_memory_ = NULL; | 58 shared_memory_ = NULL; |
59 } | 59 } |
60 hash_table_ = NULL; | 60 hash_table_ = NULL; |
61 table_length_ = 0; | 61 table_length_ = 0; |
62 } | 62 } |
63 | 63 |
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