1 // Copyright 2016 The Chromium Authors 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "base/allocator/allocator_check.h" 6 7 #include "build/build_config.h" 8 #include "partition_alloc/buildflags.h" 9 10 #if BUILDFLAG(IS_WIN) 11 #include "partition_alloc/shim/winheap_stubs_win.h" 12 #endif 13 14 #if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS) 15 #include <malloc.h> 16 #endif 17 18 #if BUILDFLAG(IS_APPLE) 19 #include "partition_alloc/shim/allocator_interception_apple.h" 20 #endif 21 22 namespace base::allocator { 23 IsAllocatorInitialized()24bool IsAllocatorInitialized() { 25 #if BUILDFLAG(IS_WIN) && PA_BUILDFLAG(USE_ALLOCATOR_SHIM) 26 // Set by allocator_shim_override_ucrt_symbols_win.h when the 27 // shimmed _set_new_mode() is called. 28 return allocator_shim::g_is_win_shim_layer_initialized; 29 #elif BUILDFLAG(IS_APPLE) && !defined(MEMORY_TOOL_REPLACES_ALLOCATOR) && \ 30 !PA_BUILDFLAG(USE_PARTITION_ALLOC_AS_MALLOC) && \ 31 PA_BUILDFLAG(USE_ALLOCATOR_SHIM) 32 // From allocator_interception_mac.mm. 33 return allocator_shim::g_replaced_default_zone; 34 #else 35 return true; 36 #endif 37 } 38 39 } // namespace base::allocator 40