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Diffstat (limited to '3rdParty/Breakpad/src/client/windows/common/auto_critical_section.h')
-rw-r--r--3rdParty/Breakpad/src/client/windows/common/auto_critical_section.h81
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diff --git a/3rdParty/Breakpad/src/client/windows/common/auto_critical_section.h b/3rdParty/Breakpad/src/client/windows/common/auto_critical_section.h
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+// Copyright (c) 2008, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#ifndef CLIENT_WINDOWS_COMMON_AUTO_CRITICAL_SECTION_H__
+#define CLIENT_WINDOWS_COMMON_AUTO_CRITICAL_SECTION_H__
+
+#include <windows.h>
+
+namespace google_breakpad {
+
+// Automatically enters the critical section in the constructor and leaves
+// the critical section in the destructor.
+class AutoCriticalSection {
+ public:
+ // Creates a new instance with the given critical section object
+ // and enters the critical section immediately.
+ explicit AutoCriticalSection(CRITICAL_SECTION* cs) : cs_(cs), taken_(false) {
+ assert(cs_);
+ Acquire();
+ }
+
+ // Destructor: leaves the critical section.
+ ~AutoCriticalSection() {
+ if (taken_) {
+ Release();
+ }
+ }
+
+ // Enters the critical section. Recursive Acquire() calls are not allowed.
+ void Acquire() {
+ assert(!taken_);
+ EnterCriticalSection(cs_);
+ taken_ = true;
+ }
+
+ // Leaves the critical section. The caller should not call Release() unless
+ // the critical seciton has been entered already.
+ void Release() {
+ assert(taken_);
+ taken_ = false;
+ LeaveCriticalSection(cs_);
+ }
+
+ private:
+ // Disable copy ctor and operator=.
+ AutoCriticalSection(const AutoCriticalSection&);
+ AutoCriticalSection& operator=(const AutoCriticalSection&);
+
+ CRITICAL_SECTION* cs_;
+ bool taken_;
+};
+
+} // namespace google_breakpad
+
+#endif // CLIENT_WINDOWS_COMMON_AUTO_CRITICAL_SECTION_H__