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diff --git a/contrib/compiler-rt/lib/tsan/rtl/tsan_mman.h b/contrib/compiler-rt/lib/tsan/rtl/tsan_mman.h
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+++ b/contrib/compiler-rt/lib/tsan/rtl/tsan_mman.h
@@ -0,0 +1,81 @@
+//===-- tsan_mman.h ---------------------------------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file is a part of ThreadSanitizer (TSan), a race detector.
+//
+//===----------------------------------------------------------------------===//
+#ifndef TSAN_MMAN_H
+#define TSAN_MMAN_H
+
+#include "tsan_defs.h"
+
+namespace __tsan {
+
+const uptr kDefaultAlignment = 16;
+
+void InitializeAllocator();
+void AllocatorThreadStart(ThreadState *thr);
+void AllocatorThreadFinish(ThreadState *thr);
+void AllocatorPrintStats();
+
+// For user allocations.
+void *user_alloc(ThreadState *thr, uptr pc, uptr sz,
+ uptr align = kDefaultAlignment, bool signal = true);
+void *user_calloc(ThreadState *thr, uptr pc, uptr sz, uptr n);
+// Does not accept NULL.
+void user_free(ThreadState *thr, uptr pc, void *p, bool signal = true);
+void *user_realloc(ThreadState *thr, uptr pc, void *p, uptr sz);
+void *user_alloc_aligned(ThreadState *thr, uptr pc, uptr sz, uptr align);
+uptr user_alloc_usable_size(const void *p);
+
+// Invoking malloc/free hooks that may be installed by the user.
+void invoke_malloc_hook(void *ptr, uptr size);
+void invoke_free_hook(void *ptr);
+
+enum MBlockType {
+ MBlockScopedBuf,
+ MBlockString,
+ MBlockStackTrace,
+ MBlockShadowStack,
+ MBlockSync,
+ MBlockClock,
+ MBlockThreadContex,
+ MBlockDeadInfo,
+ MBlockRacyStacks,
+ MBlockRacyAddresses,
+ MBlockAtExit,
+ MBlockFlag,
+ MBlockReport,
+ MBlockReportMop,
+ MBlockReportThread,
+ MBlockReportMutex,
+ MBlockReportLoc,
+ MBlockReportStack,
+ MBlockSuppression,
+ MBlockExpectRace,
+ MBlockSignal,
+ MBlockJmpBuf,
+
+ // This must be the last.
+ MBlockTypeCount
+};
+
+// For internal data structures.
+void *internal_alloc(MBlockType typ, uptr sz);
+void internal_free(void *p);
+
+template<typename T>
+void DestroyAndFree(T *&p) {
+ p->~T();
+ internal_free(p);
+ p = 0;
+}
+
+} // namespace __tsan
+#endif // TSAN_MMAN_H