The Tor Browser / file comparison
comparison: tools/jprof/stub/libmalloc.h
tools/jprof/stub/libmalloc.h
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
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| -1:000000000000 | 0:b9a6c7517178 |
|---|---|
| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 | |
| 5 #ifndef libmalloc_h___ | |
| 6 #define libmalloc_h___ | |
| 7 | |
| 8 #include <sys/types.h> | |
| 9 #include <malloc.h> | |
| 10 | |
| 11 #ifdef __cplusplus | |
| 12 extern "C" { | |
| 13 #endif | |
| 14 | |
| 15 #include "config.h" | |
| 16 | |
| 17 typedef unsigned long u_long; | |
| 18 | |
| 19 // For me->flags | |
| 20 #define JP_FIRST_AFTER_PAUSE 1 | |
| 21 | |
| 22 // Format of a jprof log entry. This is what's written out to the | |
| 23 // "jprof-log" file. | |
| 24 // It's called malloc_log_entry because the history of jprof is that | |
| 25 // it's a modified version of tracemalloc. | |
| 26 struct malloc_log_entry { | |
| 27 u_long delTime; | |
| 28 u_long numpcs; | |
| 29 unsigned int flags; | |
| 30 int thread; | |
| 31 char* pcs[MAX_STACK_CRAWL]; | |
| 32 }; | |
| 33 | |
| 34 // type's | |
| 35 #define malloc_log_stack 7 | |
| 36 | |
| 37 // Format of a malloc map entry; after this struct is nameLen+1 bytes of | |
| 38 // name data. | |
| 39 struct malloc_map_entry { | |
| 40 u_long nameLen; | |
| 41 u_long address; // base address | |
| 42 }; | |
| 43 | |
| 44 // A method that can be called if you want to programmatically control | |
| 45 // the malloc logging. Note that you must link with the library to do | |
| 46 // this (or use dlsym after dynamically loading the library...) | |
| 47 extern u_long SetMallocFlags(u_long flags); | |
| 48 | |
| 49 // The environment variable LIBMALLOC_LOG should be set to an integer | |
| 50 // value whose meaning is as follows: | |
| 51 | |
| 52 // Enable logging | |
| 53 #define LIBMALLOC_LOG 0x1 | |
| 54 | |
| 55 // Don't free memory when set | |
| 56 #define LIBMALLOC_NOFREE 0x2 | |
| 57 | |
| 58 // Check heap for corruption after every malloc/free/realloc | |
| 59 #define LIBMALLOC_CHECK 0x4 | |
| 60 | |
| 61 // Log reference count calls (addref/release) | |
| 62 #define LIBMALLOC_LOG_RC 0x8 | |
| 63 | |
| 64 // Log a stack trace | |
| 65 #define LIBMALLOC_LOG_TRACE 0x10 | |
| 66 | |
| 67 void __log_addref(void* p, int oldrc, int newrc); | |
| 68 void __log_release(void* p, int oldrc, int newrc); | |
| 69 | |
| 70 #ifdef __cplusplus | |
| 71 } /* end of extern "C" */ | |
| 72 #endif | |
| 73 | |
| 74 #endif /* libmalloc_h___ */ |
