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fix the racy allocator properly

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Andreas Rumpf
2017-01-31 08:55:18 +01:00
parent 79f4b37d3b
commit 51c764e048
1 changed files with 1 additions and 1 deletions
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lib/system/alloc.nim
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@@ -55,6 +55,7 @@ type
prevSize: int # size of previous chunk; for coalescing
size: int # if < PageSize it is a small chunk
origSize: int # 0th bit == 1 if 'used'
heapLink: PBigChunk # linked list of all chunks for bulk 'deallocPages'
SmallChunk = object of BaseChunk
next, prev: PSmallChunk # chunks of the same size
@@ -65,7 +66,6 @@ type
BigChunk = object of BaseChunk # not necessarily > PageSize!
next, prev: PBigChunk # chunks of the same (or bigger) size
heapLink: PBigChunk # linked list of all chunks for bulk 'deallocPages'
data: AlignType # start of usable memory
template smallChunkOverhead(): untyped = sizeof(SmallChunk)-sizeof(AlignType)