| //===-- 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(); |
| } |
| |
| #if !SCUDO_LINUX |
| uptr GetRSS() { return 0; } |
| #endif |
| |
| } // namespace scudo |
