Add base to the repository.

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@8 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 66 insertions, 0 deletions

diff --git a/base/memory_debug.h b/base/memory_debug.h
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+// Copyright 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.
+
+// Functions used to debug memory usage, leaks, and other memory issues.
+// All methods are effectively no-ops unless this program is being run through
+// a supported memory tool (currently, only Purify)
+
+#ifndef BASE_MEMORY_DEBUG_H_
+
+namespace base {
+
+class MemoryDebug {
+public:
+  // Since MIU messages are a lot of data, and we don't always want this data,
+  // we have a global switch.  If disabled, *MemoryInUse are no-ops.
+  static void SetMemoryInUseEnabled(bool enabled);
+
+  // Dump information about all memory in use.
+  static void DumpAllMemoryInUse();
+  // Dump information about new memory in use since the last
+  // call to DumpAllMemoryInUse() or DumpNewMemoryInUse().
+  static void DumpNewMemoryInUse();
+
+  // Dump information about all current memory leaks.
+  static void DumpAllLeaks();
+  // Dump information about new memory leaks since the last
+  // call to DumpAllLeaks() or DumpNewLeaks()
+  static void DumpNewLeaks();
+
+  // Mark |size| bytes of memory as initialized, so it doesn't produce any UMRs
+  // or UMCs.
+  static void MarkAsInitialized(void* addr, size_t size);
+
+private:
+  static bool memory_in_use_;
+};
+
+} // namespace base
+
+#endif
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