tsan_mman.h revision 1.1.1.1 
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);
28// Does not accept NULL.
29void user_free(ThreadState *thr, uptr pc, void *p);
30void *user_realloc(ThreadState *thr, uptr pc, void *p, uptr sz);
31void *user_alloc_aligned(ThreadState *thr, uptr pc, uptr sz, uptr align);
32// Given the pointer p into a valid allocated block,
33// returns the descriptor of the block.
34MBlock *user_mblock(ThreadState *thr, void *p);
35
36// Invoking malloc/free hooks that may be installed by the user.
37void invoke_malloc_hook(void *ptr, uptr size);
38void invoke_free_hook(void *ptr);
39
40enum MBlockType {
41  MBlockScopedBuf,
42  MBlockString,
43  MBlockStackTrace,
44  MBlockShadowStack,
45  MBlockSync,
46  MBlockClock,
47  MBlockThreadContex,
48  MBlockDeadInfo,
49  MBlockRacyStacks,
50  MBlockRacyAddresses,
51  MBlockAtExit,
52  MBlockFlag,
53  MBlockReport,
54  MBlockReportMop,
55  MBlockReportThread,
56  MBlockReportMutex,
57  MBlockReportLoc,
58  MBlockReportStack,
59  MBlockSuppression,
60  MBlockExpectRace,
61  MBlockSignal,
62  MBlockFD,
63
64  // This must be the last.
65  MBlockTypeCount
66};
67
68// For internal data structures.
69void *internal_alloc(MBlockType typ, uptr sz);
70void internal_free(void *p);
71
72template<typename T>
73void DestroyAndFree(T *&p) {
74  p->~T();
75  internal_free(p);
76  p = 0;
77}
78
79}  // namespace __tsan
80#endif  // TSAN_MMAN_H
81