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1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2010 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/common/multi_process_lock.h" | 5 #include "chrome/common/multi_process_lock.h" |
6 | 6 |
7 #include "base/logging.h" | 7 #include "base/logging.h" |
8 #include "base/mac/scoped_cftyperef.h" | 8 #include "base/mac/scoped_cftyperef.h" |
9 #include "base/sys_string_conversions.h" | 9 #include "base/sys_string_conversions.h" |
10 | 10 |
11 class MultiProcessLockMac : public MultiProcessLock { | 11 class MultiProcessLockMac : public MultiProcessLock { |
12 public: | 12 public: |
13 explicit MultiProcessLockMac(const std::string& name) : name_(name) { } | 13 explicit MultiProcessLockMac(const std::string& name) : name_(name) { } |
14 | 14 |
15 virtual ~MultiProcessLockMac() { | 15 virtual ~MultiProcessLockMac() { |
16 if (port_ != NULL) { | 16 if (port_ != NULL) { |
17 Unlock(); | 17 Unlock(); |
18 } | 18 } |
19 } | 19 } |
20 | 20 |
21 virtual bool TryLock() { | 21 virtual bool TryLock() { |
22 if (port_ != NULL) { | 22 if (port_ != NULL) { |
23 DLOG(ERROR) << "MultiProcessLock is already locked - " << name_; | 23 DLOG(ERROR) << "MultiProcessLock is already locked - " << name_; |
24 return true; | 24 return true; |
25 } | 25 } |
26 | 26 |
27 if (name_.length() > MULTI_PROCESS_LOCK_NAME_MAX_LEN) { | 27 if (name_.length() > MULTI_PROCESS_LOCK_NAME_MAX_LEN) { |
28 LOG(ERROR) << "Socket name too long (" << name_.length() | 28 DLOG(ERROR) << "Socket name too long (" << name_.length() |
29 << " > " << MULTI_PROCESS_LOCK_NAME_MAX_LEN << ") - " << name_; | 29 << " > " << MULTI_PROCESS_LOCK_NAME_MAX_LEN << ") - " |
| 30 << name_; |
30 return false; | 31 return false; |
31 } | 32 } |
32 | 33 |
33 CFStringRef cf_name(base::SysUTF8ToCFStringRef(name_)); | 34 CFStringRef cf_name(base::SysUTF8ToCFStringRef(name_)); |
34 base::mac::ScopedCFTypeRef<CFStringRef> scoped_cf_name(cf_name); | 35 base::mac::ScopedCFTypeRef<CFStringRef> scoped_cf_name(cf_name); |
35 port_.reset(CFMessagePortCreateLocal(NULL, cf_name, NULL, NULL, NULL)); | 36 port_.reset(CFMessagePortCreateLocal(NULL, cf_name, NULL, NULL, NULL)); |
36 return port_ != NULL; | 37 return port_ != NULL; |
37 } | 38 } |
38 | 39 |
39 virtual void Unlock() { | 40 virtual void Unlock() { |
40 if (port_ == NULL) { | 41 if (port_ == NULL) { |
41 DLOG(ERROR) << "Over-unlocked MultiProcessLock - " << name_; | 42 DLOG(ERROR) << "Over-unlocked MultiProcessLock - " << name_; |
42 return; | 43 return; |
43 } | 44 } |
44 port_.reset(); | 45 port_.reset(); |
45 } | 46 } |
46 | 47 |
47 private: | 48 private: |
48 std::string name_; | 49 std::string name_; |
49 base::mac::ScopedCFTypeRef<CFMessagePortRef> port_; | 50 base::mac::ScopedCFTypeRef<CFMessagePortRef> port_; |
50 DISALLOW_COPY_AND_ASSIGN(MultiProcessLockMac); | 51 DISALLOW_COPY_AND_ASSIGN(MultiProcessLockMac); |
51 }; | 52 }; |
52 | 53 |
53 MultiProcessLock* MultiProcessLock::Create(const std::string &name) { | 54 MultiProcessLock* MultiProcessLock::Create(const std::string &name) { |
54 return new MultiProcessLockMac(name); | 55 return new MultiProcessLockMac(name); |
55 } | 56 } |
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