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-rw-r--r--lib/scudo/standalone/common.cpp32
1 files changed, 32 insertions, 0 deletions
diff --git a/lib/scudo/standalone/common.cpp b/lib/scudo/standalone/common.cpp
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+++ b/lib/scudo/standalone/common.cpp
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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"
+
+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