llvm-project/compiler-rt/lib/scudo/standalone/common.cpp

33 lines
874 B
C++

//===-- 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"
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(bool OutOfMemory) {
outputRaw("Scudo ERROR: internal map or unmap failure");
if (OutOfMemory)
outputRaw(" (OOM)");
outputRaw("\n");
die();
}
} // namespace scudo