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/win/scoped_handle.h" | 5 #include "base/win/scoped_handle.h" |
6 | 6 |
7 #include <unordered_map> | 7 #include <unordered_map> |
8 | 8 |
9 #include "base/debug/alias.h" | 9 #include "base/debug/alias.h" |
10 #include "base/hash.h" | 10 #include "base/hash.h" |
(...skipping 23 matching lines...) Expand all Loading... |
34 DWORD thread_id; | 34 DWORD thread_id; |
35 }; | 35 }; |
36 typedef std::unordered_map<HANDLE, Info, HandleHash> HandleMap; | 36 typedef std::unordered_map<HANDLE, Info, HandleHash> HandleMap; |
37 | 37 |
38 // g_lock protects the handle map and setting g_active_verifier. | 38 // g_lock protects the handle map and setting g_active_verifier. |
39 typedef base::internal::LockImpl NativeLock; | 39 typedef base::internal::LockImpl NativeLock; |
40 base::LazyInstance<NativeLock>::Leaky g_lock = LAZY_INSTANCE_INITIALIZER; | 40 base::LazyInstance<NativeLock>::Leaky g_lock = LAZY_INSTANCE_INITIALIZER; |
41 | 41 |
42 bool CloseHandleWrapper(HANDLE handle) { | 42 bool CloseHandleWrapper(HANDLE handle) { |
43 if (!::CloseHandle(handle)) | 43 if (!::CloseHandle(handle)) |
44 LOG(FATAL) << "CloseHandle failed."; | 44 CHECK(false); |
45 return true; | 45 return true; |
46 } | 46 } |
47 | 47 |
48 // Simple automatic locking using a native critical section so it supports | 48 // Simple automatic locking using a native critical section so it supports |
49 // recursive locking. | 49 // recursive locking. |
50 class AutoNativeLock { | 50 class AutoNativeLock { |
51 public: | 51 public: |
52 explicit AutoNativeLock(NativeLock& lock) : lock_(lock) { | 52 explicit AutoNativeLock(NativeLock& lock) : lock_(lock) { |
53 lock_.Lock(); | 53 lock_.Lock(); |
54 } | 54 } |
(...skipping 101 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
156 DWORD thread_id = GetCurrentThreadId(); | 156 DWORD thread_id = GetCurrentThreadId(); |
157 | 157 |
158 AutoNativeLock lock(*lock_); | 158 AutoNativeLock lock(*lock_); |
159 | 159 |
160 Info handle_info = { owner, pc1, pc2, thread_id }; | 160 Info handle_info = { owner, pc1, pc2, thread_id }; |
161 std::pair<HANDLE, Info> item(handle, handle_info); | 161 std::pair<HANDLE, Info> item(handle, handle_info); |
162 std::pair<HandleMap::iterator, bool> result = map_.insert(item); | 162 std::pair<HandleMap::iterator, bool> result = map_.insert(item); |
163 if (!result.second) { | 163 if (!result.second) { |
164 Info other = result.first->second; | 164 Info other = result.first->second; |
165 base::debug::Alias(&other); | 165 base::debug::Alias(&other); |
166 LOG(FATAL) << "Attempt to start tracking already tracked handle."; | 166 CHECK(false); |
167 } | 167 } |
168 } | 168 } |
169 | 169 |
170 void ActiveVerifier::StopTracking(HANDLE handle, const void* owner, | 170 void ActiveVerifier::StopTracking(HANDLE handle, const void* owner, |
171 const void* pc1, const void* pc2) { | 171 const void* pc1, const void* pc2) { |
172 if (!enabled_) | 172 if (!enabled_) |
173 return; | 173 return; |
174 | 174 |
175 AutoNativeLock lock(*lock_); | 175 AutoNativeLock lock(*lock_); |
176 HandleMap::iterator i = map_.find(handle); | 176 HandleMap::iterator i = map_.find(handle); |
177 if (i == map_.end()) | 177 if (i == map_.end()) |
178 LOG(FATAL) << "Attempting to close an untracked handle."; | 178 CHECK(false); |
179 | 179 |
180 Info other = i->second; | 180 Info other = i->second; |
181 if (other.owner != owner) { | 181 if (other.owner != owner) { |
182 base::debug::Alias(&other); | 182 base::debug::Alias(&other); |
183 LOG(FATAL) << "Attempting to close a handle not owned by opener."; | 183 CHECK(false); |
184 } | 184 } |
185 | 185 |
186 map_.erase(i); | 186 map_.erase(i); |
187 } | 187 } |
188 | 188 |
189 void ActiveVerifier::Disable() { | 189 void ActiveVerifier::Disable() { |
190 enabled_ = false; | 190 enabled_ = false; |
191 } | 191 } |
192 | 192 |
193 void ActiveVerifier::OnHandleBeingClosed(HANDLE handle) { | 193 void ActiveVerifier::OnHandleBeingClosed(HANDLE handle) { |
194 AutoNativeLock lock(*lock_); | 194 AutoNativeLock lock(*lock_); |
195 if (closing_) | 195 if (closing_) |
196 return; | 196 return; |
197 | 197 |
198 HandleMap::iterator i = map_.find(handle); | 198 HandleMap::iterator i = map_.find(handle); |
199 if (i == map_.end()) | 199 if (i == map_.end()) |
200 return; | 200 return; |
201 | 201 |
202 Info other = i->second; | 202 Info other = i->second; |
203 base::debug::Alias(&other); | 203 base::debug::Alias(&other); |
204 LOG(FATAL) << "CloseHandle called on tracked handle."; | 204 CHECK(false); |
205 } | 205 } |
206 | 206 |
207 } // namespace | 207 } // namespace |
208 | 208 |
209 void* GetHandleVerifier() { | 209 void* GetHandleVerifier() { |
210 return g_active_verifier; | 210 return g_active_verifier; |
211 } | 211 } |
212 | 212 |
213 namespace base { | 213 namespace base { |
214 namespace win { | 214 namespace win { |
(...skipping 18 matching lines...) Expand all Loading... |
233 void DisableHandleVerifier() { | 233 void DisableHandleVerifier() { |
234 return ActiveVerifier::Get()->Disable(); | 234 return ActiveVerifier::Get()->Disable(); |
235 } | 235 } |
236 | 236 |
237 void OnHandleBeingClosed(HANDLE handle) { | 237 void OnHandleBeingClosed(HANDLE handle) { |
238 return ActiveVerifier::Get()->OnHandleBeingClosed(handle); | 238 return ActiveVerifier::Get()->OnHandleBeingClosed(handle); |
239 } | 239 } |
240 | 240 |
241 } // namespace win | 241 } // namespace win |
242 } // namespace base | 242 } // namespace base |
OLD | NEW |