tools/trace-malloc/lib/nsTraceMallocCallbacks.h@ac0c01689b40
tools/trace-malloc/lib/nsTraceMallocCallbacks.h
Thu, 15 Jan 2015 15:59:08 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 15 Jan 2015 15:59:08 +0100
- branch
- TOR_BUG_9701
- changeset 10
- ac0c01689b40
- permissions
- -rw-r--r--
Implement a real Private Browsing Mode condition by changing the API/ABI;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
1 /* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
2 *
3 * This Source Code Form is subject to the terms of the Mozilla Public
4 * License, v. 2.0. If a copy of the MPL was not distributed with this
5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
7 /* declarations needed by both nsTraceMalloc.c and nsWinTraceMalloc.cpp */
9 #ifndef NSTRACEMALLOCCALLBACKS_H
10 #define NSTRACEMALLOCCALLBACKS_H
12 #include <stdint.h>
13 #include <stdlib.h>
15 #ifdef __cplusplus
16 extern "C" {
17 #endif
19 /* Used by backtrace. */
20 typedef struct stack_buffer_info {
21 void **buffer;
22 size_t size;
23 size_t entries;
24 } stack_buffer_info;
26 typedef struct tm_thread tm_thread;
27 struct tm_thread {
28 /*
29 * This counter suppresses tracing, in case any tracing code needs
30 * to malloc.
31 */
32 uint32_t suppress_tracing;
34 /* buffer for backtrace, below */
35 stack_buffer_info backtrace_buf;
36 };
38 /* implemented in nsTraceMalloc.c */
39 tm_thread * tm_get_thread(void);
41 /* implemented in nsTraceMalloc.c */
42 PR_EXTERN(void) MallocCallback(void *aPtr, size_t aSize, uint32_t start, uint32_t end, tm_thread *t);
43 PR_EXTERN(void) CallocCallback(void *aPtr, size_t aCount, size_t aSize, uint32_t start, uint32_t end, tm_thread *t);
44 PR_EXTERN(void) ReallocCallback(void *aPin, void* aPout, size_t aSize, uint32_t start, uint32_t end, tm_thread *t);
45 PR_EXTERN(void) FreeCallback(void *aPtr, uint32_t start, uint32_t end, tm_thread *t);
47 #ifdef XP_WIN32
48 /* implemented in nsTraceMalloc.c */
49 PR_EXTERN(void) StartupHooker();
50 PR_EXTERN(void) ShutdownHooker();
52 /* implemented in nsWinTraceMalloc.cpp */
53 void* dhw_orig_malloc(size_t);
54 void* dhw_orig_calloc(size_t, size_t);
55 void* dhw_orig_realloc(void*, size_t);
56 void dhw_orig_free(void*);
58 #endif /* defined(XP_WIN32) */
60 #ifdef __cplusplus
61 }
62 #endif
64 #endif /* !defined(NSTRACEMALLOCCALLBACKS_H) */
