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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "base/allocator/allocator_check.h" | 5 #include "base/allocator/allocator_check.h" |
| 6 | 6 |
| 7 #include "build/build_config.h" | 7 #include "build/build_config.h" |
| 8 | 8 |
| 9 #if defined(OS_WIN) |
| 10 #include "base/allocator/allocator_shim_win.h" |
| 11 #endif |
| 12 |
| 9 #if defined(OS_LINUX) | 13 #if defined(OS_LINUX) |
| 10 #include <malloc.h> | 14 #include <malloc.h> |
| 11 #endif | 15 #endif |
| 12 | 16 |
| 13 namespace base { | 17 namespace base { |
| 14 namespace allocator { | 18 namespace allocator { |
| 15 | 19 |
| 16 // Defined in allocator_shim_win.cc . | |
| 17 // TODO(primiano): replace with an include once base can depend on allocator. | |
| 18 #if defined(OS_WIN) && defined(ALLOCATOR_SHIM) | |
| 19 extern bool g_is_win_shim_layer_initialized; | |
| 20 #endif | |
| 21 | |
| 22 bool IsAllocatorInitialized() { | 20 bool IsAllocatorInitialized() { |
| 23 #if defined(OS_WIN) && defined(ALLOCATOR_SHIM) | 21 #if defined(OS_WIN) && defined(ALLOCATOR_SHIM) |
| 24 // Set by allocator_shim_win.cc when the shimmed _heap_init() is called. | 22 // Set by allocator_shim_win.cc when the shimmed _set_new_mode() is called. |
| 25 return g_is_win_shim_layer_initialized; | 23 return g_is_win_shim_layer_initialized; |
| 26 #elif defined(OS_LINUX) && defined(USE_TCMALLOC) | 24 #elif defined(OS_LINUX) && defined(USE_TCMALLOC) |
| 27 // From third_party/tcmalloc/chromium/src/gperftools/tcmalloc.h. | 25 // From third_party/tcmalloc/chromium/src/gperftools/tcmalloc.h. |
| 28 // TODO(primiano): replace with an include once base can depend on allocator. | 26 // TODO(primiano): replace with an include once base can depend on allocator. |
| 29 #define TC_MALLOPT_IS_OVERRIDDEN_BY_TCMALLOC 0xbeef42 | 27 #define TC_MALLOPT_IS_OVERRIDDEN_BY_TCMALLOC 0xbeef42 |
| 30 return (mallopt(TC_MALLOPT_IS_OVERRIDDEN_BY_TCMALLOC, 0) == | 28 return (mallopt(TC_MALLOPT_IS_OVERRIDDEN_BY_TCMALLOC, 0) == |
| 31 TC_MALLOPT_IS_OVERRIDDEN_BY_TCMALLOC); | 29 TC_MALLOPT_IS_OVERRIDDEN_BY_TCMALLOC); |
| 32 #else | 30 #else |
| 33 return true; | 31 return true; |
| 34 #endif | 32 #endif |
| 35 } | 33 } |
| 36 | 34 |
| 37 } // namespace allocator | 35 } // namespace allocator |
| 38 } // namespace base | 36 } // namespace base |
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