| OLD | NEW |
| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 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 "base/threading/thread_restrictions.h" | 5 #include "base/threading/thread_restrictions.h" |
| 6 | 6 |
| 7 #if ENABLE_THREAD_RESTRICTIONS | 7 #if ENABLE_THREAD_RESTRICTIONS |
| 8 | 8 |
| 9 #include "base/lazy_instance.h" | 9 #include "base/lazy_instance.h" |
| 10 #include "base/logging.h" | 10 #include "base/logging.h" |
| 11 #include "base/threading/thread_local.h" | 11 #include "base/threading/thread_local.h" |
| 12 | 12 |
| 13 namespace base { | 13 namespace base { |
| 14 | 14 |
| 15 namespace { | 15 namespace { |
| 16 | 16 |
| 17 LazyInstance<ThreadLocalBoolean>::Leaky | 17 LazyInstance<ThreadLocalBoolean>::Leaky |
| 18 g_io_disallowed = LAZY_INSTANCE_INITIALIZER; | 18 g_io_disallowed = LAZY_INSTANCE_INITIALIZER; |
| 19 | 19 |
| 20 LazyInstance<ThreadLocalBoolean>::Leaky | 20 LazyInstance<ThreadLocalBoolean>::Leaky |
| 21 g_singleton_disallowed = LAZY_INSTANCE_INITIALIZER; | 21 g_singleton_disallowed = LAZY_INSTANCE_INITIALIZER; |
| 22 | 22 |
| 23 LazyInstance<ThreadLocalBoolean>::Leaky | 23 LazyInstance<ThreadLocalBoolean>::Leaky |
| 24 g_wait_disallowed = LAZY_INSTANCE_INITIALIZER; | 24 g_wait_disallowed = LAZY_INSTANCE_INITIALIZER; |
| 25 | 25 |
| 26 } // anonymous namespace | 26 } // namespace |
| 27 | 27 |
| 28 // static | 28 // static |
| 29 bool ThreadRestrictions::SetIOAllowed(bool allowed) { | 29 bool ThreadRestrictions::SetIOAllowed(bool allowed) { |
| 30 bool previous_disallowed = g_io_disallowed.Get().Get(); | 30 bool previous_disallowed = g_io_disallowed.Get().Get(); |
| 31 g_io_disallowed.Get().Set(!allowed); | 31 g_io_disallowed.Get().Set(!allowed); |
| 32 return !previous_disallowed; | 32 return !previous_disallowed; |
| 33 } | 33 } |
| 34 | 34 |
| 35 // static | 35 // static |
| 36 void ThreadRestrictions::AssertIOAllowed() { | 36 void ThreadRestrictions::AssertIOAllowed() { |
| (...skipping 25 matching lines...) Expand all Loading... |
| 62 } | 62 } |
| 63 | 63 |
| 64 // static | 64 // static |
| 65 void ThreadRestrictions::DisallowWaiting() { | 65 void ThreadRestrictions::DisallowWaiting() { |
| 66 g_wait_disallowed.Get().Set(true); | 66 g_wait_disallowed.Get().Set(true); |
| 67 } | 67 } |
| 68 | 68 |
| 69 // static | 69 // static |
| 70 void ThreadRestrictions::AssertWaitAllowed() { | 70 void ThreadRestrictions::AssertWaitAllowed() { |
| 71 if (g_wait_disallowed.Get().Get()) { | 71 if (g_wait_disallowed.Get().Get()) { |
| 72 LOG(FATAL) << "Waiting is not allowed to be used on this thread to prevent" | 72 LOG(FATAL) << "Waiting is not allowed to be used on this thread to prevent " |
| 73 << "jank and deadlock."; | 73 << "jank and deadlock."; |
| 74 } | 74 } |
| 75 } | 75 } |
| 76 | 76 |
| 77 bool ThreadRestrictions::SetWaitAllowed(bool allowed) { | 77 bool ThreadRestrictions::SetWaitAllowed(bool allowed) { |
| 78 bool previous_disallowed = g_wait_disallowed.Get().Get(); | 78 bool previous_disallowed = g_wait_disallowed.Get().Get(); |
| 79 g_wait_disallowed.Get().Set(!allowed); | 79 g_wait_disallowed.Get().Set(!allowed); |
| 80 return !previous_disallowed; | 80 return !previous_disallowed; |
| 81 } | 81 } |
| 82 | 82 |
| 83 } // namespace base | 83 } // namespace base |
| 84 | 84 |
| 85 #endif // ENABLE_THREAD_RESTRICTIONS | 85 #endif // ENABLE_THREAD_RESTRICTIONS |
| OLD | NEW |