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GC improvements; distinguish between thread local and globals in the marking step

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This commit is contained in:
Araq 2018-01-14 17:34:27 +01:00
commit f71f9f83c2
8 changed files with 129 additions and 128 deletions
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8
lib/system/alloc.nim
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@ -813,13 +813,13 @@ proc alloc0(allocator: var MemRegion, size: Natural): pointer =
zeroMem(result, size)
proc dealloc(allocator: var MemRegion, p: pointer) =
sysAssert(p != nil, "dealloc 0")
sysAssert(p != nil, "dealloc: p is nil")
var x = cast[pointer](cast[ByteAddress](p) -% sizeof(FreeCell))
sysAssert(x != nil, "dealloc 1")
sysAssert(x != nil, "dealloc: x is nil")
sysAssert(isAccessible(allocator, x), "is not accessible")
sysAssert(cast[ptr FreeCell](x).zeroField == 1, "dealloc 2")
sysAssert(cast[ptr FreeCell](x).zeroField == 1, "dealloc: object header corrupted")
rawDealloc(allocator, x)
sysAssert(not isAllocatedPtr(allocator, x), "dealloc 3")
sysAssert(not isAllocatedPtr(allocator, x), "dealloc: object still accessible")
track("dealloc", p, 0)
proc realloc(allocator: var MemRegion, p: pointer, newsize: Natural): pointer =