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