tsan_mman.h revision 1.3 
1//===-- tsan_mman.h ---------------------------------------------*- C++ -*-===//
2//
3// This file is distributed under the University of Illinois Open Source
4// License. See LICENSE.TXT for details.
5//
6//===----------------------------------------------------------------------===//
7//
8// This file is a part of ThreadSanitizer (TSan), a race detector.
9//
10//===----------------------------------------------------------------------===//
11#ifndef TSAN_MMAN_H
12#define TSAN_MMAN_H
13
14#include "tsan_defs.h"
15
16namespace __tsan {
17
18const uptr kDefaultAlignment = 16;
19
20void InitializeAllocator();
21void AllocatorThreadStart(ThreadState *thr);
22void AllocatorThreadFinish(ThreadState *thr);
23void AllocatorPrintStats();
24
25// For user allocations.
26void *user_alloc(ThreadState *thr, uptr pc, uptr sz,
27                 uptr align = kDefaultAlignment, bool signal = true);
28// Does not accept NULL.
29void user_free(ThreadState *thr, uptr pc, void *p, bool signal = true);
30void *user_realloc(ThreadState *thr, uptr pc, void *p, uptr sz);
31void *user_alloc_aligned(ThreadState *thr, uptr pc, uptr sz, uptr align);
32uptr user_alloc_usable_size(const void *p);
33
34// Invoking malloc/free hooks that may be installed by the user.
35void invoke_malloc_hook(void *ptr, uptr size);
36void invoke_free_hook(void *ptr);
37
38enum MBlockType {
39  MBlockScopedBuf,
40  MBlockString,
41  MBlockStackTrace,
42  MBlockShadowStack,
43  MBlockSync,
44  MBlockClock,
45  MBlockThreadContex,
46  MBlockDeadInfo,
47  MBlockRacyStacks,
48  MBlockRacyAddresses,
49  MBlockAtExit,
50  MBlockFlag,
51  MBlockReport,
52  MBlockReportMop,
53  MBlockReportThread,
54  MBlockReportMutex,
55  MBlockReportLoc,
56  MBlockReportStack,
57  MBlockSuppression,
58  MBlockExpectRace,
59  MBlockSignal,
60  MBlockJmpBuf,
61
62  // This must be the last.
63  MBlockTypeCount
64};
65
66// For internal data structures.
67void *internal_alloc(MBlockType typ, uptr sz);
68void internal_free(void *p);
69
70template<typename T>
71void DestroyAndFree(T *&p) {
72  p->~T();
73  internal_free(p);
74  p = 0;
75}
76
77}  // namespace __tsan
78#endif  // TSAN_MMAN_H
79