1 files changed, 38 insertions, 0 deletions
diff --git a/implementation/utility/src/wrappers.cpp b/implementation/utility/src/wrappers.cpp
new file mode 100644
index 0000000..1b09e8c
--- /dev/null
+++ b/implementation/utility/src/wrappers.cpp
@@ -0,0 +1,38 @@
+// Copyright (C) 2020-2021 Bayerische Motoren Werke Aktiengesellschaft (BMW AG)
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this
+// file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+#ifdef __linux__
+
+#include <sys/socket.h>
+#include <sys/types.h>
+
+/*
+ * These definitions MUST remain in the global namespace.
+ */
+extern "C"
+{
+    /*
+     * The real socket(2), renamed by GCC.
+     */
+    int __real_socket(int domain, int type, int protocol) noexcept;
+
+    /*
+     * Overrides socket(2) to set SOCK_CLOEXEC by default.
+     */
+    int __wrap_socket(int domain, int type, int protocol) noexcept
+    {
+        return __real_socket(domain, type | SOCK_CLOEXEC, protocol);
+    }
+
+    /*
+     * Overrides accept(2) to set SOCK_CLOEXEC by default.
+     */
+    int __wrap_accept(int sockfd, struct sockaddr *addr, socklen_t *addrlen)
+    {
+        return accept4(sockfd, addr, addrlen, SOCK_CLOEXEC);
+    }
+}
+
+#endif