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-rw-r--r--third_party/base/allocator/partition_allocator/oom.h37
1 files changed, 37 insertions, 0 deletions
diff --git a/third_party/base/allocator/partition_allocator/oom.h b/third_party/base/allocator/partition_allocator/oom.h
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index 0000000000..41f29b5642
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+++ b/third_party/base/allocator/partition_allocator/oom.h
@@ -0,0 +1,37 @@
+// Copyright (c) 2016 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.
+
+#ifndef BASE_ALLOCATOR_OOM_H
+#define BASE_ALLOCATOR_OOM_H
+
+#include "third_party/base/logging.h"
+
+#if defined(OS_WIN)
+#include <windows.h>
+#endif
+
+// Do not want trivial entry points just calling OOM_CRASH() to be
+// commoned up by linker icf/comdat folding.
+#define OOM_CRASH_PREVENT_ICF() \
+ volatile int oom_crash_inhibit_icf = __LINE__; \
+ ALLOW_UNUSED_LOCAL(oom_crash_inhibit_icf)
+
+// OOM_CRASH() - Specialization of IMMEDIATE_CRASH which will raise a custom
+// exception on Windows to signal this is OOM and not a normal assert.
+#if defined(OS_WIN)
+#define OOM_CRASH() \
+ do { \
+ OOM_CRASH_PREVENT_ICF(); \
+ ::RaiseException(0xE0000008, EXCEPTION_NONCONTINUABLE, 0, nullptr); \
+ IMMEDIATE_CRASH(); \
+ } while (0)
+#else
+#define OOM_CRASH() \
+ do { \
+ OOM_CRASH_PREVENT_ICF(); \
+ IMMEDIATE_CRASH(); \
+ } while (0)
+#endif
+
+#endif // BASE_ALLOCATOR_OOM_H