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
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
|
// Copyright (c) 2006-2008 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.
#include "base/tracked.h"
#include "base/stringprintf.h"
#include "base/tracked_objects.h"
using base::TimeTicks;
namespace tracked_objects {
//------------------------------------------------------------------------------
Location::Location(const char* function_name, const char* file_name,
int line_number)
: function_name_(function_name),
file_name_(file_name),
line_number_(line_number) {
}
Location::Location()
: function_name_("Unknown"),
file_name_("Unknown"),
line_number_(-1) {
}
void Location::Write(bool display_filename, bool display_function_name,
std::string* output) const {
base::StringAppendF(output, "%s[%d] ",
display_filename ? file_name_ : "line",
line_number_);
if (display_function_name) {
WriteFunctionName(output);
output->push_back(' ');
}
}
void Location::WriteFunctionName(std::string* output) const {
// Translate "<" to "<" for HTML safety.
// TODO(jar): Support ASCII or html for logging in ASCII.
for (const char *p = function_name_; *p; p++) {
switch (*p) {
case '<':
output->append("<");
break;
case '>':
output->append(">");
break;
default:
output->push_back(*p);
break;
}
}
}
//------------------------------------------------------------------------------
#ifndef TRACK_ALL_TASK_OBJECTS
Tracked::Tracked() {}
Tracked::~Tracked() {}
void Tracked::SetBirthPlace(const Location& from_here) {}
const Location Tracked::GetBirthPlace() const {
static Location kNone("NoFunctionName", "NeedToSetBirthPlace", -1);
return kNone;
}
bool Tracked::MissingBirthplace() const { return false; }
void Tracked::ResetBirthTime() {}
#else
Tracked::Tracked()
: tracked_births_(NULL),
tracked_birth_time_(TimeTicks::Now()) {
if (!ThreadData::IsActive())
return;
SetBirthPlace(Location("NoFunctionName", "NeedToSetBirthPlace", -1));
}
Tracked::~Tracked() {
if (!ThreadData::IsActive() || !tracked_births_)
return;
ThreadData::current()->TallyADeath(*tracked_births_,
TimeTicks::Now() - tracked_birth_time_);
}
void Tracked::SetBirthPlace(const Location& from_here) {
if (!ThreadData::IsActive())
return;
if (tracked_births_)
tracked_births_->ForgetBirth();
ThreadData* current_thread_data = ThreadData::current();
if (!current_thread_data)
return; // Shutdown started, and this thread wasn't registered.
tracked_births_ = current_thread_data->TallyABirth(from_here);
}
const Location Tracked::GetBirthPlace() const {
return tracked_births_->location();
}
void Tracked::ResetBirthTime() {
tracked_birth_time_ = TimeTicks::Now();
}
bool Tracked::MissingBirthplace() const {
return -1 == tracked_births_->location().line_number();
}
#endif // NDEBUG
} // namespace tracked_objects
|
