Revert 126020 - Experiment for updating the tcmalloc chromium branch to r144 (gperftools 2.0).

third_party/tcmalloc/chromium/src/google/malloc_extension_c.h

Index: third_party/tcmalloc/chromium/src/google/malloc_extension_c.h
===================================================================
--- third_party/tcmalloc/chromium/src/google/malloc_extension_c.h	(revision 126022)
+++ third_party/tcmalloc/chromium/src/google/malloc_extension_c.h	(working copy)
@@ -26,9 +26,62 @@
  * 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.
+ *
+ * --
+ * Author: Craig Silverstein
+ *
+ * C shims for the C++ malloc_extension.h.  See malloc_extension.h for
+ * details.  Note these C shims always work on
+ * MallocExtension::instance(); it is not possible to have more than
+ * one MallocExtension object in C applications.
  */
 
-/* The code has moved to gperftools/.  Use that include-directory for
- * new code.
+#ifndef _MALLOC_EXTENSION_C_H_
+#define _MALLOC_EXTENSION_C_H_
+
+#include <stddef.h>
+#include <sys/types.h>
+
+/* Annoying stuff for windows -- makes sure clients can import these fns */
+#ifndef PERFTOOLS_DLL_DECL
+# ifdef _WIN32
+#   define PERFTOOLS_DLL_DECL  __declspec(dllimport)
+# else
+#   define PERFTOOLS_DLL_DECL
+# endif
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define kMallocExtensionHistogramSize 64
+
+PERFTOOLS_DLL_DECL int MallocExtension_VerifyAllMemory(void);
+PERFTOOLS_DLL_DECL int MallocExtension_VerifyNewMemory(void* p);
+PERFTOOLS_DLL_DECL int MallocExtension_VerifyArrayNewMemory(void* p);
+PERFTOOLS_DLL_DECL int MallocExtension_VerifyMallocMemory(void* p);
+PERFTOOLS_DLL_DECL int MallocExtension_MallocMemoryStats(int* blocks, size_t* total,
+                                      int histogram[kMallocExtensionHistogramSize]);
+PERFTOOLS_DLL_DECL void MallocExtension_GetStats(char* buffer, int buffer_length);
+
+/* TODO(csilvers): write a C version of these routines, that perhaps
+ * takes a function ptr and a void *.
  */
-#include <gperftools/malloc_extension_c.h>
+/* void MallocExtension_GetHeapSample(string* result); */
+/* void MallocExtension_GetHeapGrowthStacks(string* result); */
+
+PERFTOOLS_DLL_DECL int MallocExtension_GetNumericProperty(const char* property, size_t* value);
+PERFTOOLS_DLL_DECL int MallocExtension_SetNumericProperty(const char* property, size_t value);
+PERFTOOLS_DLL_DECL void MallocExtension_MarkThreadIdle(void);
+PERFTOOLS_DLL_DECL void MallocExtension_MarkThreadBusy(void);
+PERFTOOLS_DLL_DECL void MallocExtension_ReleaseToSystem(size_t num_bytes);
+PERFTOOLS_DLL_DECL void MallocExtension_ReleaseFreeMemory(void);
+PERFTOOLS_DLL_DECL size_t MallocExtension_GetEstimatedAllocatedSize(size_t size);
+PERFTOOLS_DLL_DECL size_t MallocExtension_GetAllocatedSize(void* p);
+
+#ifdef __cplusplus
+}   // extern "C"
+#endif
+
+#endif /* _MALLOC_EXTENSION_C_H_ */