Use tcmalloc on Linux

third_party/tcmalloc/include/gperftools/tcmalloc.h

Index: third_party/tcmalloc/include/gperftools/tcmalloc.h
diff --git a/third_party/tcmalloc/include/gperftools/tcmalloc.h b/third_party/tcmalloc/include/gperftools/tcmalloc.h
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index 0000000000000000000000000000000000000000..138d1f97c6c19829af9404ec51d0e36cb0068dab
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+// -*- Mode: C; c-basic-offset: 2; indent-tabs-mode: nil -*-
+/* Copyright (c) 2003, 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.
+ *
+ * ---
+ * Author: Sanjay Ghemawat <opensource@google.com>
+ *         .h file by Craig Silverstein <opensource@google.com>
+ */
+
+#ifndef TCMALLOC_TCMALLOC_H_
+#define TCMALLOC_TCMALLOC_H_
+
+#include <stddef.h>                     /* for size_t */
+
+/* Define the version number so folks can check against it */
+#define TC_VERSION_MAJOR  2
+#define TC_VERSION_MINOR  5
+#define TC_VERSION_PATCH  ""
+#define TC_VERSION_STRING "gperftools 2.5"
+
+/* For struct mallinfo, if it's defined. */
+#if 1
+# include <malloc.h>
+#endif
+
+#ifdef __cplusplus
+#define PERFTOOLS_THROW throw()
+#else
+# ifdef __GNUC__
+#  define PERFTOOLS_THROW __attribute__((__nothrow__))
+# else
+#  define PERFTOOLS_THROW
+# endif
+#endif
+
+#ifndef PERFTOOLS_DLL_DECL
+#define PERFTOOLS_DLL_DECL_DEFINED
+# ifdef _WIN32
+#   define PERFTOOLS_DLL_DECL  __declspec(dllimport)
+# else
+#   define PERFTOOLS_DLL_DECL
+# endif
+#endif
+
+#ifdef __cplusplus
+namespace std {
+struct nothrow_t;
+}
+
+extern "C" {
+#endif
+  /*
+   * Returns a human-readable version string.  If major, minor,
+   * and/or patch are not NULL, they are set to the major version,
+   * minor version, and patch-code (a string, usually "").
+   */
+  PERFTOOLS_DLL_DECL const char* tc_version(int* major, int* minor,
+                                            const char** patch) PERFTOOLS_THROW;
+
+  PERFTOOLS_DLL_DECL void* tc_malloc(size_t size) PERFTOOLS_THROW;
+  PERFTOOLS_DLL_DECL void* tc_malloc_skip_new_handler(size_t size) PERFTOOLS_THROW;
+  PERFTOOLS_DLL_DECL void tc_free(void* ptr) PERFTOOLS_THROW;
+  PERFTOOLS_DLL_DECL void tc_free_sized(void *ptr, size_t size) PERFTOOLS_THROW;
+  PERFTOOLS_DLL_DECL void* tc_realloc(void* ptr, size_t size) PERFTOOLS_THROW;
+  PERFTOOLS_DLL_DECL void* tc_calloc(size_t nmemb, size_t size) PERFTOOLS_THROW;
+  PERFTOOLS_DLL_DECL void tc_cfree(void* ptr) PERFTOOLS_THROW;
+
+  PERFTOOLS_DLL_DECL void* tc_memalign(size_t __alignment,
+                                       size_t __size) PERFTOOLS_THROW;
+  PERFTOOLS_DLL_DECL int tc_posix_memalign(void** ptr,
+                                           size_t align, size_t size) PERFTOOLS_THROW;
+  PERFTOOLS_DLL_DECL void* tc_valloc(size_t __size) PERFTOOLS_THROW;
+  PERFTOOLS_DLL_DECL void* tc_pvalloc(size_t __size) PERFTOOLS_THROW;
+
+  PERFTOOLS_DLL_DECL void tc_malloc_stats(void) PERFTOOLS_THROW;
+  PERFTOOLS_DLL_DECL int tc_mallopt(int cmd, int value) PERFTOOLS_THROW;
+#if 1
+  PERFTOOLS_DLL_DECL struct mallinfo tc_mallinfo(void) PERFTOOLS_THROW;
+#endif
+
+  /*
+   * This is an alias for MallocExtension::instance()->GetAllocatedSize().
+   * It is equivalent to
+   *    OS X: malloc_size()
+   *    glibc: malloc_usable_size()
+   *    Windows: _msize()
+   */
+  PERFTOOLS_DLL_DECL size_t tc_malloc_size(void* ptr) PERFTOOLS_THROW;
+
+#ifdef __cplusplus
+  PERFTOOLS_DLL_DECL int tc_set_new_mode(int flag) PERFTOOLS_THROW;
+  PERFTOOLS_DLL_DECL void* tc_new(size_t size);
+  PERFTOOLS_DLL_DECL void* tc_new_nothrow(size_t size,
+                                          const std::nothrow_t&) PERFTOOLS_THROW;
+  PERFTOOLS_DLL_DECL void tc_delete(void* p) PERFTOOLS_THROW;
+  PERFTOOLS_DLL_DECL void tc_delete_sized(void* p, size_t size) throw();
+  PERFTOOLS_DLL_DECL void tc_delete_nothrow(void* p,
+                                            const std::nothrow_t&) PERFTOOLS_THROW;
+  PERFTOOLS_DLL_DECL void* tc_newarray(size_t size);
+  PERFTOOLS_DLL_DECL void* tc_newarray_nothrow(size_t size,
+                                               const std::nothrow_t&) PERFTOOLS_THROW;
+  PERFTOOLS_DLL_DECL void tc_deletearray(void* p) PERFTOOLS_THROW;
+  PERFTOOLS_DLL_DECL void tc_deletearray_sized(void* p, size_t size) throw();
+  PERFTOOLS_DLL_DECL void tc_deletearray_nothrow(void* p,
+                                                 const std::nothrow_t&) PERFTOOLS_THROW;
+}
+#endif
+
+/* We're only un-defining those for public */
+#if !defined(GPERFTOOLS_CONFIG_H_)
+
+#undef PERFTOOLS_THROW
+
+#ifdef PERFTOOLS_DLL_DECL_DEFINED
+#undef PERFTOOLS_DLL_DECL
+#undef PERFTOOLS_DLL_DECL_DEFINED
+#endif
+
+#endif /* GPERFTOOLS_CONFIG_H_ */
+
+#endif  /* #ifndef TCMALLOC_TCMALLOC_H_ */