libsanitizer/tsan/tsan_mman.h

   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
  16 namespace __tsan {
  17
  18 const uptr kDefaultAlignment = 16;
  19
  20 void InitializeAllocator();
  21 void AllocatorThreadStart(ThreadState *thr);
  22 void AllocatorThreadFinish(ThreadState *thr);
  23 void AllocatorPrintStats();
  24
  25 // For user allocations.
  26 void *user_alloc(ThreadState *thr, uptr pc, uptr sz,
  27                  uptr align = kDefaultAlignment, bool signal = true);
  28 // Does not accept NULL.
  29 void user_free(ThreadState *thr, uptr pc, void *p, bool signal = true);
  30 void *user_realloc(ThreadState *thr, uptr pc, void *p, uptr sz);
  31 void *user_alloc_aligned(ThreadState *thr, uptr pc, uptr sz, uptr align);
  32 uptr user_alloc_usable_size(const void *p);
  33
  34 // Invoking malloc/free hooks that may be installed by the user.
  35 void invoke_malloc_hook(void *ptr, uptr size);
  36 void invoke_free_hook(void *ptr);
  37
  38 enum 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.
  67 void *internal_alloc(MBlockType typ, uptr sz);
  68 void internal_free(void *p);
  69
  70 template<typename T>
  71 void DestroyAndFree(T *&p) {
  72   p->~T();
  73   internal_free(p);
  74   p = 0;
  75 }
  76
  77 }  // namespace __tsan
  78 #endif  // TSAN_MMAN_H