1//===-- tsan_mman.h ---------------------------------------------*- C++ -*-===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This file is a part of ThreadSanitizer (TSan), a race detector.
11//
12//===----------------------------------------------------------------------===//
13#ifndef TSAN_MMAN_H
14#define TSAN_MMAN_H
15
16#include "tsan_defs.h"
17
18namespace __tsan {
19
20const uptr kDefaultAlignment = 16;
21
22void InitializeAllocator();
23void AllocatorThreadStart(ThreadState *thr);
24void AllocatorThreadFinish(ThreadState *thr);
25void AllocatorPrintStats();
26
27// For user allocations.
28void *user_alloc(ThreadState *thr, uptr pc, uptr sz,
29                 uptr align = kDefaultAlignment);
30// Does not accept NULL.
31void user_free(ThreadState *thr, uptr pc, void *p);
32void *user_realloc(ThreadState *thr, uptr pc, void *p, uptr sz);
33void *user_alloc_aligned(ThreadState *thr, uptr pc, uptr sz, uptr align);
34uptr user_alloc_usable_size(const 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  MBlockJmpBuf,
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