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); 28 // Does not accept NULL. 29 void user_free(ThreadState *thr, uptr pc, void *p); 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 // Given the pointer p into a valid allocated block, 33 // returns the descriptor of the block. 34 MBlock *user_mblock(ThreadState *thr, 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 MBlockFD, 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