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| 1 <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN"> | 1 <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN"> |
| 2 <HTML> | 2 <HTML> |
| 3 | 3 |
| 4 <HEAD> | 4 <HEAD> |
| 5 <link rel="stylesheet" href="designstyle.css"> | 5 <link rel="stylesheet" href="designstyle.css"> |
| 6 <title>Google Heap Leak Checker</title> | 6 <title>Gperftools Heap Leak Checker</title> |
| 7 </HEAD> | 7 </HEAD> |
| 8 | 8 |
| 9 <BODY> | 9 <BODY> |
| 10 | 10 |
| 11 <p align=right> | 11 <p align=right> |
| 12 <i>Last modified | 12 <i>Last modified |
| 13 <script type=text/javascript> | 13 <script type=text/javascript> |
| 14 var lm = new Date(document.lastModified); | 14 var lm = new Date(document.lastModified); |
| 15 document.write(lm.toDateString()); | 15 document.write(lm.toDateString()); |
| 16 </script></i> | 16 </script></i> |
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| 163 <h2><a name="explicit">Explicit (Partial-program) Heap Leak Checking</h2> | 163 <h2><a name="explicit">Explicit (Partial-program) Heap Leak Checking</h2> |
| 164 | 164 |
| 165 <p>Instead of whole-program checking, you can check certain parts of your | 165 <p>Instead of whole-program checking, you can check certain parts of your |
| 166 code to verify they do not have memory leaks. This check verifies that | 166 code to verify they do not have memory leaks. This check verifies that |
| 167 between two parts of a program, no memory is allocated without being freed.</p> | 167 between two parts of a program, no memory is allocated without being freed.</p> |
| 168 <p>To use this kind of checking code, bracket the code you want | 168 <p>To use this kind of checking code, bracket the code you want |
| 169 checked by creating a <code>HeapLeakChecker</code> object at the | 169 checked by creating a <code>HeapLeakChecker</code> object at the |
| 170 beginning of the code segment, and call | 170 beginning of the code segment, and call |
| 171 <code>NoLeaks()</code> at the end. These functions, and all others | 171 <code>NoLeaks()</code> at the end. These functions, and all others |
| 172 referred to in this file, are declared in | 172 referred to in this file, are declared in |
| 173 <code><google/heap-checker.h></code>. | 173 <code><gperftools/heap-checker.h></code>. |
| 174 </p> | 174 </p> |
| 175 | 175 |
| 176 <p>Here's an example:</p> | 176 <p>Here's an example:</p> |
| 177 <pre> | 177 <pre> |
| 178 HeapLeakChecker heap_checker("test_foo"); | 178 HeapLeakChecker heap_checker("test_foo"); |
| 179 { | 179 { |
| 180 code that exercises some foo functionality; | 180 code that exercises some foo functionality; |
| 181 this code should not leak memory; | 181 this code should not leak memory; |
| 182 } | 182 } |
| 183 if (!heap_checker.NoLeaks()) assert(NULL == "heap memory leak"); | 183 if (!heap_checker.NoLeaks()) assert(NULL == "heap memory leak"); |
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| 525 | 525 |
| 526 <hr> | 526 <hr> |
| 527 <address>Maxim Lifantsev<br> | 527 <address>Maxim Lifantsev<br> |
| 528 <!-- Created: Tue Dec 19 10:43:14 PST 2000 --> | 528 <!-- Created: Tue Dec 19 10:43:14 PST 2000 --> |
| 529 <!-- hhmts start --> | 529 <!-- hhmts start --> |
| 530 Last modified: Fri Jul 13 13:14:33 PDT 2007 | 530 Last modified: Fri Jul 13 13:14:33 PDT 2007 |
| 531 <!-- hhmts end --> | 531 <!-- hhmts end --> |
| 532 </address> | 532 </address> |
| 533 </body> | 533 </body> |
| 534 </html> | 534 </html> |
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Chromium Code Reviews
Issue 9316021:
Update the tcmalloc vendor branch to r144 (gperftools 2.0). (Closed)
Base URL: http://git.chromium.org/git/chromium.git@trunk