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Side by Side Diff: net/base/dns_reload_timer.cc

Issue 5986012: Move thread local stuff from base to base/threading and consistently use the... (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/
Patch Set: Created 9 years, 11 months ago
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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 "net/base/dns_reload_timer.h" 5 #include "net/base/dns_reload_timer.h"
6 6
7 #if defined(OS_POSIX) && !defined(OS_MACOSX) && !defined(OS_OPENBSD) 7 #if defined(OS_POSIX) && !defined(OS_MACOSX) && !defined(OS_OPENBSD)
8 #include "base/lazy_instance.h" 8 #include "base/lazy_instance.h"
9 #include "base/thread_local_storage.h" 9 #include "base/threading/thread_local_storage.h"
10 #include "base/time.h" 10 #include "base/time.h"
11 11
12 namespace { 12 namespace {
13 13
14 // On Linux/BSD, changes to /etc/resolv.conf can go unnoticed thus resulting 14 // On Linux/BSD, changes to /etc/resolv.conf can go unnoticed thus resulting
15 // in DNS queries failing either because nameservers are unknown on startup 15 // in DNS queries failing either because nameservers are unknown on startup
16 // or because nameserver info has changed as a result of e.g. connecting to 16 // or because nameserver info has changed as a result of e.g. connecting to
17 // a new network. Some distributions patch glibc to stat /etc/resolv.conf 17 // a new network. Some distributions patch glibc to stat /etc/resolv.conf
18 // to try to automatically detect such changes but these patches are not 18 // to try to automatically detect such changes but these patches are not
19 // universal and even patched systems such as Jaunty appear to need calls 19 // universal and even patched systems such as Jaunty appear to need calls
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65 // multiple times. Initialize the ThreadLocalStorage slot only once. 65 // multiple times. Initialize the ThreadLocalStorage slot only once.
66 if (!tls_index_.initialized()) 66 if (!tls_index_.initialized())
67 tls_index_.Initialize(SlotReturnFunction); 67 tls_index_.Initialize(SlotReturnFunction);
68 } 68 }
69 69
70 ~DnsReloadTimer() { 70 ~DnsReloadTimer() {
71 } 71 }
72 72
73 // We use thread local storage to identify which base::TimeTicks to 73 // We use thread local storage to identify which base::TimeTicks to
74 // interact with. 74 // interact with.
75 static ThreadLocalStorage::Slot tls_index_ ; 75 static base::ThreadLocalStorage::Slot tls_index_ ;
76 76
77 DISALLOW_COPY_AND_ASSIGN(DnsReloadTimer); 77 DISALLOW_COPY_AND_ASSIGN(DnsReloadTimer);
78 }; 78 };
79 79
80 // A TLS slot to the TimeTicks for the current thread. 80 // A TLS slot to the TimeTicks for the current thread.
81 // static 81 // static
82 ThreadLocalStorage::Slot DnsReloadTimer::tls_index_(base::LINKER_INITIALIZED); 82 base::ThreadLocalStorage::Slot DnsReloadTimer::tls_index_(
83 base::LINKER_INITIALIZED);
83 84
84 base::LazyInstance<DnsReloadTimer, 85 base::LazyInstance<DnsReloadTimer,
85 base::LeakyLazyInstanceTraits<DnsReloadTimer> > 86 base::LeakyLazyInstanceTraits<DnsReloadTimer> >
86 g_dns_reload_timer(base::LINKER_INITIALIZED); 87 g_dns_reload_timer(base::LINKER_INITIALIZED);
87 88
88 } // namespace 89 } // namespace
89 90
90 namespace net { 91 namespace net {
91 92
92 bool DnsReloadTimerHasExpired() { 93 bool DnsReloadTimerHasExpired() {
93 DnsReloadTimer* dns_timer = g_dns_reload_timer.Pointer(); 94 DnsReloadTimer* dns_timer = g_dns_reload_timer.Pointer();
94 return dns_timer->Expired(); 95 return dns_timer->Expired();
95 } 96 }
96 97
97 } // namespace net 98 } // namespace net
98 99
99 #endif // defined(OS_POSIX) && !defined(OS_MACOSX) && !defined(OS_OPENBSD) 100 #endif // defined(OS_POSIX) && !defined(OS_MACOSX) && !defined(OS_OPENBSD)
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