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      1 //===-- dd_rtl.h ----------------------------------------------------------===//
      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 #ifndef DD_RTL_H
     10 #define DD_RTL_H
     11 
     12 #include "sanitizer_common/sanitizer_internal_defs.h"
     13 #include "sanitizer_common/sanitizer_deadlock_detector_interface.h"
     14 #include "sanitizer_common/sanitizer_flags.h"
     15 #include "sanitizer_common/sanitizer_allocator_internal.h"
     16 #include "sanitizer_common/sanitizer_addrhashmap.h"
     17 #include "sanitizer_common/sanitizer_mutex.h"
     18 
     19 namespace __dsan {
     20 
     21 typedef DDFlags Flags;
     22 
     23 struct Mutex {
     24   DDMutex dd;
     25 };
     26 
     27 struct Thread {
     28   DDPhysicalThread *dd_pt;
     29   DDLogicalThread *dd_lt;
     30 
     31   bool ignore_interceptors;
     32 };
     33 
     34 struct Callback : DDCallback {
     35   Thread *thr;
     36 
     37   Callback(Thread *thr);
     38   u32 Unwind() override;
     39 };
     40 
     41 typedef AddrHashMap<Mutex, 31051> MutexHashMap;
     42 
     43 struct Context {
     44   DDetector *dd;
     45 
     46   BlockingMutex report_mutex;
     47   MutexHashMap mutex_map;
     48 };
     49 
     50 inline Flags* flags() {
     51   static Flags flags;
     52   return &flags;
     53 }
     54 
     55 void Initialize();
     56 void InitializeInterceptors();
     57 
     58 void ThreadInit(Thread *thr);
     59 void ThreadDestroy(Thread *thr);
     60 
     61 void MutexBeforeLock(Thread *thr, uptr m, bool writelock);
     62 void MutexAfterLock(Thread *thr, uptr m, bool writelock, bool trylock);
     63 void MutexBeforeUnlock(Thread *thr, uptr m, bool writelock);
     64 void MutexDestroy(Thread *thr, uptr m);
     65 
     66 }  // namespace __dsan
     67 #endif  // DD_RTL_H
     68