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      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 
     18 namespace __tsan {
     19 
     20 const uptr kDefaultAlignment = 16;
     21 
     22 void InitializeAllocator();
     23 void AllocatorThreadStart(ThreadState *thr);
     24 void AllocatorThreadFinish(ThreadState *thr);
     25 void AllocatorPrintStats();
     26 
     27 // For user allocations.
     28 void *user_alloc(ThreadState *thr, uptr pc, uptr sz,
     29                  uptr align = kDefaultAlignment);
     30 // Does not accept NULL.
     31 void user_free(ThreadState *thr, uptr pc, void *p);
     32 void *user_realloc(ThreadState *thr, uptr pc, void *p, uptr sz);
     33 void *user_alloc_aligned(ThreadState *thr, uptr pc, uptr sz, uptr align);
     34 uptr user_alloc_usable_size(const void *p);
     35 
     36 // Invoking malloc/free hooks that may be installed by the user.
     37 void invoke_malloc_hook(void *ptr, uptr size);
     38 void invoke_free_hook(void *ptr);
     39 
     40 enum 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.
     69 void *internal_alloc(MBlockType typ, uptr sz);
     70 void internal_free(void *p);
     71 
     72 template<typename T>
     73 void DestroyAndFree(T *&p) {
     74   p->~T();
     75   internal_free(p);
     76   p = 0;
     77 }
     78 
     79 }  // namespace __tsan
     80 #endif  // TSAN_MMAN_H
     81