File: type_profiler.cc

package info (click to toggle)
chromium-browser 41.0.2272.118-1
  • links: PTS, VCS
  • area: main
  • in suites: jessie-kfreebsd
  • size: 2,189,132 kB
  • sloc: cpp: 9,691,462; ansic: 3,341,451; python: 712,689; asm: 518,779; xml: 208,926; java: 169,820; sh: 119,353; perl: 68,907; makefile: 28,311; yacc: 13,305; objc: 11,385; tcl: 3,186; cs: 2,225; sql: 2,217; lex: 2,215; lisp: 1,349; pascal: 1,256; awk: 407; ruby: 155; sed: 53; php: 14; exp: 11
file content (63 lines) | stat: -rw-r--r-- 1,730 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
// Copyright 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#if defined(TYPE_PROFILING)

#include "base/allocator/type_profiler.h"

#include <assert.h>

namespace {

void* NopIntercept(void* ptr, size_t size, const std::type_info& type) {
  return ptr;
}

base::type_profiler::InterceptFunction* g_new_intercept = NopIntercept;
base::type_profiler::InterceptFunction* g_delete_intercept = NopIntercept;

}

void* __op_new_intercept__(void* ptr,
                           size_t size,
                           const std::type_info& type) {
  return g_new_intercept(ptr, size, type);
}

void* __op_delete_intercept__(void* ptr,
                              size_t size,
                              const std::type_info& type) {
  return g_delete_intercept(ptr, size, type);
}

namespace base {
namespace type_profiler {

// static
void InterceptFunctions::SetFunctions(InterceptFunction* new_intercept,
                                      InterceptFunction* delete_intercept) {
  // Don't use DCHECK, as this file is injected into targets
  // that do not and should not depend on base/base.gyp:base
  assert(g_new_intercept == NopIntercept);
  assert(g_delete_intercept == NopIntercept);

  g_new_intercept = new_intercept;
  g_delete_intercept = delete_intercept;
}

// static
void InterceptFunctions::ResetFunctions() {
  g_new_intercept = NopIntercept;
  g_delete_intercept = NopIntercept;
}

// static
bool InterceptFunctions::IsAvailable() {
  return g_new_intercept != NopIntercept || g_delete_intercept != NopIntercept;
}

}  // namespace type_profiler
}  // namespace base

#endif  // defined(TYPE_PROFILING)