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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
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 "sync/syncable/base_transaction.h" | |
6 | |
7 #include "base/debug/trace_event.h" | |
8 #include "sync/syncable/directory.h" | |
9 | |
10 namespace syncer { | |
11 namespace syncable { | |
12 | |
13 void BaseTransaction::Lock() { | |
14 TRACE_EVENT2("sync_lock_contention", "AcquireLock", | |
15 "src_file", from_here_.file_name(), | |
16 "src_func", from_here_.function_name()); | |
17 | |
18 directory_->kernel_->transaction_mutex.Acquire(); | |
19 } | |
20 | |
21 void BaseTransaction::Unlock() { | |
22 directory_->kernel_->transaction_mutex.Release(); | |
23 } | |
24 | |
25 void BaseTransaction::OnUnrecoverableError( | |
26 const tracked_objects::Location& location, | |
27 const std::string& message) { | |
28 unrecoverable_error_set_ = true; | |
29 unrecoverable_error_location_ = location; | |
30 unrecoverable_error_msg_ = message; | |
31 | |
32 // Note: We dont call the Directory's OnUnrecoverableError method right | |
33 // away. Instead we wait to unwind the stack and in the destructor of the | |
34 // transaction we would call the OnUnrecoverableError method. | |
35 | |
36 directory()->ReportUnrecoverableError(); | |
37 } | |
38 | |
39 bool BaseTransaction::unrecoverable_error_set() const { | |
40 return unrecoverable_error_set_; | |
41 } | |
42 | |
43 void BaseTransaction::HandleUnrecoverableErrorIfSet() { | |
44 if (unrecoverable_error_set_) { | |
45 directory()->OnUnrecoverableError(this, | |
46 unrecoverable_error_location_, | |
47 unrecoverable_error_msg_); | |
48 } | |
49 } | |
50 | |
51 BaseTransaction::BaseTransaction(const tracked_objects::Location& from_here, | |
52 const char* name, | |
53 WriterTag writer, | |
54 Directory* directory) | |
55 : from_here_(from_here), name_(name), writer_(writer), | |
56 directory_(directory), unrecoverable_error_set_(false) { | |
57 // TODO(lipalani): Don't issue a good transaction if the directory has | |
58 // unrecoverable error set. And the callers have to check trans.good before | |
59 // proceeding. | |
60 TRACE_EVENT_BEGIN2("sync", name_, | |
61 "src_file", from_here_.file_name(), | |
62 "src_func", from_here_.function_name()); | |
63 } | |
64 | |
65 BaseTransaction::~BaseTransaction() { | |
66 TRACE_EVENT_END0("sync", name_); | |
67 } | |
68 | |
69 } // namespace syncable | |
70 } // namespace syncer | |
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