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1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2013 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/process/memory.h" | 5 #include "base/process/memory.h" |
6 | 6 |
7 #include <CoreFoundation/CoreFoundation.h> | 7 #include <CoreFoundation/CoreFoundation.h> |
8 #include <errno.h> | 8 #include <errno.h> |
9 #include <mach/mach.h> | 9 #include <mach/mach.h> |
10 #include <mach/mach_vm.h> | 10 #include <mach/mach_vm.h> |
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241 | 241 |
242 void oom_killer_new() { | 242 void oom_killer_new() { |
243 TerminateBecauseOutOfMemory(0); | 243 TerminateBecauseOutOfMemory(0); |
244 } | 244 } |
245 | 245 |
246 #if !defined(ADDRESS_SANITIZER) | 246 #if !defined(ADDRESS_SANITIZER) |
247 | 247 |
248 // === Core Foundation CFAllocators === | 248 // === Core Foundation CFAllocators === |
249 | 249 |
250 bool CanGetContextForCFAllocator() { | 250 bool CanGetContextForCFAllocator() { |
251 return !base::mac::IsOSLaterThanElCapitan_DontCallThis(); | 251 return !base::mac::IsOSLaterThanSierra_DontCallThis(); |
252 } | 252 } |
253 | 253 |
254 CFAllocatorContext* ContextForCFAllocator(CFAllocatorRef allocator) { | 254 CFAllocatorContext* ContextForCFAllocator(CFAllocatorRef allocator) { |
255 if (base::mac::IsOSMavericks() || base::mac::IsOSYosemite() || | 255 ChromeCFAllocatorLions* our_allocator = |
256 base::mac::IsOSElCapitan()) { | 256 const_cast<ChromeCFAllocatorLions*>( |
257 ChromeCFAllocatorLions* our_allocator = | 257 reinterpret_cast<const ChromeCFAllocatorLions*>(allocator)); |
258 const_cast<ChromeCFAllocatorLions*>( | 258 return &our_allocator->_context; |
259 reinterpret_cast<const ChromeCFAllocatorLions*>(allocator)); | |
260 return &our_allocator->_context; | |
261 } else { | |
262 return NULL; | |
263 } | |
264 } | 259 } |
265 | 260 |
266 CFAllocatorAllocateCallBack g_old_cfallocator_system_default; | 261 CFAllocatorAllocateCallBack g_old_cfallocator_system_default; |
267 CFAllocatorAllocateCallBack g_old_cfallocator_malloc; | 262 CFAllocatorAllocateCallBack g_old_cfallocator_malloc; |
268 CFAllocatorAllocateCallBack g_old_cfallocator_malloc_zone; | 263 CFAllocatorAllocateCallBack g_old_cfallocator_malloc_zone; |
269 | 264 |
270 void* oom_killer_cfallocator_system_default(CFIndex alloc_size, | 265 void* oom_killer_cfallocator_system_default(CFIndex alloc_size, |
271 CFOptionFlags hint, | 266 CFOptionFlags hint, |
272 void* info) { | 267 void* info) { |
273 void* result = g_old_cfallocator_system_default(alloc_size, hint, info); | 268 void* result = g_old_cfallocator_system_default(alloc_size, hint, info); |
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547 @selector(allocWithZone:)); | 542 @selector(allocWithZone:)); |
548 g_old_allocWithZone = reinterpret_cast<allocWithZone_t>( | 543 g_old_allocWithZone = reinterpret_cast<allocWithZone_t>( |
549 method_getImplementation(orig_method)); | 544 method_getImplementation(orig_method)); |
550 CHECK(g_old_allocWithZone) | 545 CHECK(g_old_allocWithZone) |
551 << "Failed to get allocWithZone allocation function."; | 546 << "Failed to get allocWithZone allocation function."; |
552 method_setImplementation(orig_method, | 547 method_setImplementation(orig_method, |
553 reinterpret_cast<IMP>(oom_killer_allocWithZone)); | 548 reinterpret_cast<IMP>(oom_killer_allocWithZone)); |
554 } | 549 } |
555 | 550 |
556 } // namespace base | 551 } // namespace base |
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