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Add Allocator_Mode.Alloc_Non_Zerored

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This commit is contained in:
gingerBill
2022-09-22 12:12:57 +01:00
parent eb0d7465e2
commit 7f601c9535
21 changed files with 128 additions and 65 deletions
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core/runtime/os_specific_windows.odin
+6 -6
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@@ -58,9 +58,9 @@ _os_write :: proc "contextless" (data: []byte) -> (n: int, err: _OS_Errno) #no_b
return
}
heap_alloc :: proc "contextless" (size: int) -> rawptr {
heap_alloc :: proc "contextless" (size: int, zero_memory := true) -> rawptr {
HEAP_ZERO_MEMORY :: 0x00000008
return HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, uint(size))
return HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY if zero_memory else 0, uint(size))
}
heap_resize :: proc "contextless" (ptr: rawptr, new_size: int) -> rawptr {
if new_size == 0 {
@@ -91,7 +91,7 @@ heap_free :: proc "contextless" (ptr: rawptr) {
_windows_default_alloc_or_resize :: proc "contextless" (size, alignment: int, old_ptr: rawptr = nil) -> ([]byte, Allocator_Error) {
_windows_default_alloc_or_resize :: proc "contextless" (size, alignment: int, old_ptr: rawptr = nil, zero_memory := true) -> ([]byte, Allocator_Error) {
if size == 0 {
_windows_default_free(old_ptr)
return nil, nil
@@ -105,7 +105,7 @@ _windows_default_alloc_or_resize :: proc "contextless" (size, alignment: int, ol
original_old_ptr := intrinsics.ptr_offset((^rawptr)(old_ptr), -1)^
allocated_mem = heap_resize(original_old_ptr, space+size_of(rawptr))
} else {
allocated_mem = heap_alloc(space+size_of(rawptr))
allocated_mem = heap_alloc(space+size_of(rawptr), zero_memory)
}
aligned_mem := rawptr(intrinsics.ptr_offset((^u8)(allocated_mem), size_of(rawptr)))
@@ -122,8 +122,8 @@ _windows_default_alloc_or_resize :: proc "contextless" (size, alignment: int, ol
return byte_slice(aligned_mem, size), nil
}
_windows_default_alloc :: proc "contextless" (size, alignment: int) -> ([]byte, Allocator_Error) {
return _windows_default_alloc_or_resize(size, alignment, nil)
_windows_default_alloc :: proc "contextless" (size, alignment: int, zero_memory := true) -> ([]byte, Allocator_Error) {
return _windows_default_alloc_or_resize(size, alignment, nil, zero_memory)
}