Revert "Use pthreads for thread-local lsan allocator cache on darwin"

Reverting due to revert of prerequisite patch r296706

This reverts commit 6e1f23078c1acc44295065d28167043c4d31ddd1.

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@296720 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 0 insertions, 37 deletions

diff --git a/lib/lsan/lsan_allocator.h b/lib/lsan/lsan_allocator.h
index 9c3dce97a..f56460119 100644
--- a/lib/lsan/lsan_allocator.h
+++ b/lib/lsan/lsan_allocator.h
@@ -15,10 +15,8 @@
 #ifndef LSAN_ALLOCATOR_H
 #define LSAN_ALLOCATOR_H
 
-#include "sanitizer_common/sanitizer_allocator.h"
 #include "sanitizer_common/sanitizer_common.h"
 #include "sanitizer_common/sanitizer_internal_defs.h"
-#include "lsan_common.h"
 
 namespace __lsan {
 
@@ -36,41 +34,6 @@ void GetAllocatorCacheRange(uptr *begin, uptr *end);
 void AllocatorThreadFinish();
 void InitializeAllocator();
 
-struct ChunkMetadata {
-  u8 allocated : 8;  // Must be first.
-  ChunkTag tag : 2;
-#if SANITIZER_WORDSIZE == 64
-  uptr requested_size : 54;
-#else
-  uptr requested_size : 32;
-  uptr padding : 22;
-#endif
-  u32 stack_trace_id;
-};
-
-#if defined(__mips64) || defined(__aarch64__) || defined(__i386__)
-static const uptr kRegionSizeLog = 20;
-static const uptr kNumRegions = SANITIZER_MMAP_RANGE_SIZE >> kRegionSizeLog;
-typedef TwoLevelByteMap<(kNumRegions >> 12), 1 << 12> ByteMap;
-typedef CompactSizeClassMap SizeClassMap;
-typedef SizeClassAllocator32<0, SANITIZER_MMAP_RANGE_SIZE,
-    sizeof(ChunkMetadata), SizeClassMap, kRegionSizeLog, ByteMap>
-    PrimaryAllocator;
-#elif defined(__x86_64__)
-struct AP64 {  // Allocator64 parameters. Deliberately using a short name.
-  static const uptr kSpaceBeg = 0x600000000000ULL;
-  static const uptr kSpaceSize =  0x40000000000ULL; // 4T.
-  static const uptr kMetadataSize = sizeof(ChunkMetadata);
-  typedef DefaultSizeClassMap SizeClassMap;
-  typedef NoOpMapUnmapCallback MapUnmapCallback;
-  static const uptr kFlags = 0;
-};
-
-typedef SizeClassAllocator64<AP64> PrimaryAllocator;
-#endif
-typedef SizeClassAllocatorLocalCache<PrimaryAllocator> AllocatorCache;
-
-AllocatorCache *GetAllocatorCache();
 }  // namespace __lsan
 
 #endif  // LSAN_ALLOCATOR_H