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39 lines
1.0 KiB
39 lines
1.0 KiB
4 months ago
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//===-- common.cpp ----------------------------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "common.h"
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#include "atomic_helpers.h"
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#include "string_utils.h"
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namespace scudo {
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uptr PageSizeCached;
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uptr getPageSize();
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uptr getPageSizeSlow() {
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PageSizeCached = getPageSize();
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CHECK_NE(PageSizeCached, 0);
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return PageSizeCached;
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}
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// Fatal internal map() or unmap() error (potentially OOM related).
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void NORETURN dieOnMapUnmapError(uptr SizeIfOOM) {
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char Error[128] = "Scudo ERROR: internal map or unmap failure\n";
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if (SizeIfOOM) {
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formatString(
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Error, sizeof(Error),
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"Scudo ERROR: internal map failure (NO MEMORY) requesting %zuKB\n",
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SizeIfOOM >> 10);
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}
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outputRaw(Error);
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setAbortMessage(Error);
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die();
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}
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} // namespace scudo
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