vendor/compiler-rt/compiler-rt-trunk-r375505vendor/compiler-rt

1 files changed, 34 insertions, 0 deletions

diff --git a/lib/sanitizer_common/sanitizer_errno.cpp b/lib/sanitizer_common/sanitizer_errno.cpp
new file mode 100644
index 000000000000..cbadf4d924a7
--- /dev/null
+++ b/lib/sanitizer_common/sanitizer_errno.cpp
@@ -0,0 +1,34 @@
+//===-- sanitizer_errno.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
+//
+//===----------------------------------------------------------------------===//
+//
+// This file is shared between sanitizers run-time libraries.
+//
+// Defines errno to avoid including errno.h and its dependencies into other
+// files (e.g. interceptors are not supposed to include any system headers).
+//
+//===----------------------------------------------------------------------===//
+
+#include "sanitizer_errno_codes.h"
+#include "sanitizer_internal_defs.h"
+
+#include <errno.h>
+
+namespace __sanitizer {
+
+COMPILER_CHECK(errno_ENOMEM == ENOMEM);
+COMPILER_CHECK(errno_EBUSY == EBUSY);
+COMPILER_CHECK(errno_EINVAL == EINVAL);
+
+// EOWNERDEAD is not present in some older platforms.
+#if defined(EOWNERDEAD)
+extern const int errno_EOWNERDEAD = EOWNERDEAD;
+#else
+extern const int errno_EOWNERDEAD = -1;
+#endif
+
+}  // namespace __sanitizer