Tue Feb 8 09:57:17 2005 El Goog <opensource@google.com>

	* google-perftools: initial release:
	  The google-perftools package contains some utilities to improve
	  and analyze the performance of C++ programs.  This includes an
	  optimized thread-caching malloc() and cpu and heap profiling
	  utilities.


git-svn-id: http://gperftools.googlecode.com/svn/trunk@9 6b5cf1ce-ec42-a296-1ba9-69fdba395a50

1 files changed, 76 insertions, 0 deletions

diff --git a/src/heap-checker-bcad.cc b/src/heap-checker-bcad.cc
new file mode 100644
index 0000000..878bc8f
--- /dev/null
+++ b/src/heap-checker-bcad.cc
@@ -0,0 +1,76 @@
+// Copyright (c) 2005, 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.
+
+// ---
+// All Rights Reserved.
+//
+// Author: Maxim Lifantsev
+//
+// A file to ensure that components of heap leak checker run
+// before all global object constructors
+// and after all global object destructors.
+//
+// This file must be the last google library any google binary links against
+// (we achieve this by making //base:base depend
+//  on //base:heap-checker-bcad, the library containing this .cc)
+//
+
+#include <stdlib.h>      // for abort()
+
+// A dummy variable to refer from heap-checker.cc.
+// This is to make sure this file is not optimized out by the linker.
+bool heap_leak_checker_bcad_variable;
+
+extern void HeapLeakChecker_BeforeConstructors();  // in heap-checker.cc
+extern void HeapLeakChecker_AfterDestructors();  // in heap-checker.cc
+
+// A helper class to ensure that some components of heap leak checking
+// can happen before construction and after destruction
+// of all global/static objects.
+class HeapLeakCheckerGlobalPrePost {
+ public:
+  HeapLeakCheckerGlobalPrePost() {
+    if (count_ == 0)  HeapLeakChecker_BeforeConstructors();
+    ++count_;
+  }
+  ~HeapLeakCheckerGlobalPrePost() {
+    if (count_ <= 0)  abort();
+    --count_;
+    if (count_ == 0)  HeapLeakChecker_AfterDestructors();
+  }
+ private:
+  // Counter of constructions/destructions of objects of this class
+  // (just in case there are more than one of them).
+  static int count_;
+};
+
+int HeapLeakCheckerGlobalPrePost::count_ = 0;
+
+// The early-construction/late-destruction global object.
+static const HeapLeakCheckerGlobalPrePost heap_leak_checker_global_pre_post;