Index: base/allocator/win_allocator.cc |
diff --git a/base/allocator/win_allocator.cc b/base/allocator/win_allocator.cc |
deleted file mode 100644 |
index ee451f546101c008c0b081f4c880790c20027bd6..0000000000000000000000000000000000000000 |
--- a/base/allocator/win_allocator.cc |
+++ /dev/null |
@@ -1,78 +0,0 @@ |
-// Copyright (c) 2012 The Chromium Authors. All rights reserved. |
-// Use of this source code is governed by a BSD-style license that can be |
-// found in the LICENSE file. |
- |
-// This is a simple allocator based on the windows heap. |
- |
-extern "C" { |
- |
-HANDLE win_heap; |
- |
-bool win_heap_init(bool use_lfh) { |
- win_heap = HeapCreate(0, 0, 0); |
- if (win_heap == NULL) |
- return false; |
- |
- if (use_lfh) { |
- ULONG enable_lfh = 2; |
- HeapSetInformation(win_heap, HeapCompatibilityInformation, |
- &enable_lfh, sizeof(enable_lfh)); |
- // NOTE: Setting LFH may fail. Vista already has it enabled. |
- // And under the debugger, it won't use LFH. So we |
- // ignore any errors. |
- } |
- |
- return true; |
-} |
- |
-void* win_heap_malloc(size_t size) { |
- return HeapAlloc(win_heap, 0, size); |
-} |
- |
-void win_heap_free(void* size) { |
- HeapFree(win_heap, 0, size); |
-} |
- |
-void* win_heap_realloc(void* ptr, size_t size) { |
- if (!ptr) |
- return win_heap_malloc(size); |
- if (!size) { |
- win_heap_free(ptr); |
- return NULL; |
- } |
- return HeapReAlloc(win_heap, 0, ptr, size); |
-} |
- |
-size_t win_heap_msize(void* ptr) { |
- return HeapSize(win_heap, 0, ptr); |
-} |
- |
-void* win_heap_memalign(size_t alignment, size_t size) { |
- // Reserve enough space to ensure we can align and set aligned_ptr[-1] to the |
- // original allocation for use with win_heap_memalign_free() later. |
- size_t allocation_size = size + (alignment - 1) + sizeof(void*); |
- |
- // Check for overflow. Alignment and size are checked in allocator_shim. |
- DCHECK_LT(size, allocation_size); |
- DCHECK_LT(alignment, allocation_size); |
- |
- // Since we're directly calling the allocator function, before OOM handling, |
- // we need to NULL check to ensure the allocation succeeded. |
- void* ptr = win_heap_malloc(allocation_size); |
- if (!ptr) |
- return ptr; |
- |
- char* aligned_ptr = static_cast<char*>(ptr) + sizeof(void*); |
- aligned_ptr += |
- alignment - reinterpret_cast<uintptr_t>(aligned_ptr) & (alignment - 1); |
- |
- reinterpret_cast<void**>(aligned_ptr)[-1] = ptr; |
- return aligned_ptr; |
-} |
- |
-void win_heap_memalign_free(void* ptr) { |
- if (ptr) |
- win_heap_free(static_cast<void**>(ptr)[-1]); |
-} |
- |
-} // extern "C" |