intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 57 insertions, 0 deletions

diff --git a/contrib/libs/cxxsupp/libcxx/include/csignal b/contrib/libs/cxxsupp/libcxx/include/csignal
new file mode 100644
index 00000000000..3b262b561a4
--- /dev/null
+++ b/contrib/libs/cxxsupp/libcxx/include/csignal
@@ -0,0 +1,57 @@
+// -*- C++ -*-
+//===--------------------------- csignal ----------------------------------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP_CSIGNAL
+#define _LIBCPP_CSIGNAL
+
+/*
+    csignal synopsis
+
+Macros:
+
+    SIG_DFL
+    SIG_ERR
+    SIG_IGN
+    SIGABRT
+    SIGFPE
+    SIGILL
+    SIGINT
+    SIGSEGV
+    SIGTERM
+
+namespace std
+{
+
+Types:
+
+    sig_atomic_t
+
+void (*signal(int sig, void (*func)(int)))(int);
+int raise(int sig);
+
+}  // std
+
+*/
+
+#include <__config>
+#include <signal.h>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+using ::sig_atomic_t _LIBCPP_USING_IF_EXISTS;
+using ::signal _LIBCPP_USING_IF_EXISTS;
+using ::raise _LIBCPP_USING_IF_EXISTS;
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP_CSIGNAL