The Tor Browser: ipc/chromium/src/base/tracked.cc@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.

     2 // Use of this source code is governed by a BSD-style license that can be

     3 // found in the LICENSE file.

     5 #include "base/tracked.h"

     7 #include "base/string_util.h"

     8 #include "base/tracked_objects.h"

    10 using base::Time;

    12 namespace tracked_objects {

    14 //------------------------------------------------------------------------------

    15 void Location::Write(bool display_filename, bool display_function_name,

    16                      std::string* output) const {

    17   StringAppendF(output, "%s[%d] ",

    18       display_filename ? file_name_ : "line",

    19       line_number_);

    21   if (display_function_name) {

    22     WriteFunctionName(output);

    23     output->push_back(' ');

    24   }

    25 }

    27 void Location::WriteFunctionName(std::string* output) const {

    28   // Translate "<" to "&lt;" for HTML safety.

    29   // TODO(jar): Support ASCII or html for logging in ASCII.

    30   for (const char *p = function_name_; *p; p++) {

    31     switch (*p) {

    32       case '<':

    33         output->append("&lt;");

    34         break;

    36       case '>':

    37         output->append("&gt;");

    38         break;

    40       default:

    41         output->push_back(*p);

    42         break;

    43     }

    44   }

    45 }

    47 //------------------------------------------------------------------------------

    49 #ifndef TRACK_ALL_TASK_OBJECTS

    51 Tracked::Tracked() {}

    52 Tracked::~Tracked() {}

    53 void Tracked::SetBirthPlace(const Location& from_here) {}

    54 bool Tracked::MissingBirthplace() const { return false; }

    55 void Tracked::ResetBirthTime() {}

    57 #else

    59 Tracked::Tracked() : tracked_births_(NULL), tracked_birth_time_(Time::Now()) {

    60   if (!ThreadData::IsActive())

    61     return;

    62   SetBirthPlace(Location("NoFunctionName", "NeedToSetBirthPlace", -1));

    63 }

    65 Tracked::~Tracked() {

    66   if (!ThreadData::IsActive() || !tracked_births_)

    67     return;

    68   ThreadData::current()->TallyADeath(*tracked_births_,

    69                                      Time::Now() - tracked_birth_time_);

    70 }

    72 void Tracked::SetBirthPlace(const Location& from_here) {

    73   if (!ThreadData::IsActive())

    74     return;

    75   if (tracked_births_)

    76     tracked_births_->ForgetBirth();

    77   ThreadData* current_thread_data = ThreadData::current();

    78   if (!current_thread_data)

    79     return;  // Shutdown started, and this thread wasn't registered.

    80   tracked_births_ = current_thread_data->FindLifetime(from_here);

    81   tracked_births_->RecordBirth();

    82 }

    84 void Tracked::ResetBirthTime() {

    85   tracked_birth_time_ = Time::Now();

    86 }

    88 bool Tracked::MissingBirthplace() const {

    89   return -1 == tracked_births_->location().line_number();

    90 }

    92 #endif  // NDEBUG

    94 }  // namespace tracked_objects

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