50 lines
1.3 KiB
Plaintext
50 lines
1.3 KiB
Plaintext
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// Copyright (c) 2013 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "base/process/memory.h"
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#include "base/allocator/allocator_interception_mac.h"
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#include "base/allocator/allocator_shim.h"
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#include "base/allocator/buildflags.h"
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#include "build/build_config.h"
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namespace base {
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namespace {
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void oom_killer_new() {
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TerminateBecauseOutOfMemory(0);
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}
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} // namespace
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void EnableTerminationOnHeapCorruption() {
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#if !ARCH_CPU_64_BITS
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DLOG(WARNING) << "EnableTerminationOnHeapCorruption only works on 64-bit";
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#endif
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}
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bool UncheckedMalloc(size_t size, void** result) {
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return allocator::UncheckedMallocMac(size, result);
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}
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bool UncheckedCalloc(size_t num_items, size_t size, void** result) {
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return allocator::UncheckedCallocMac(num_items, size, result);
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}
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void EnableTerminationOnOutOfMemory() {
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// Step 1: Enable OOM killer on C++ failures.
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std::set_new_handler(oom_killer_new);
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// Step 2: Enable OOM killer on C-malloc failures for the default zone (if we
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// have a shim).
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#if BUILDFLAG(USE_ALLOCATOR_SHIM)
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allocator::SetCallNewHandlerOnMallocFailure(true);
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#endif
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// Step 3: Enable OOM killer on all other malloc zones (or just "all" without
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// "other" if shim is disabled).
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allocator::InterceptAllocationsMac();
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}
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} // namespace base
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