net/SocketDescriptor: SO_PROTOCOL is really Linux-specific

CM4all · Dec 9, 2023 · 14ea2dd · 14ea2dd
1 parent 9347851
commit 14ea2dd
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diff --git a/src/net/SocketDescriptor.cxx b/src/net/SocketDescriptor.cxx
@@ -32,12 +32,16 @@ SocketDescriptor::IsStream() const noexcept
 	return GetType() == SOCK_STREAM;
 }
 
+#ifdef  __linux__
+
 int
 SocketDescriptor::GetProtocol() const noexcept
 {
 	return GetIntOption(SOL_SOCKET, SO_PROTOCOL, -1);
 }
 
+#endif // __linux__
+
 #ifdef _WIN32
 
 void

diff --git a/src/net/SocketDescriptor.hxx b/src/net/SocketDescriptor.hxx
@@ -101,12 +101,14 @@ public:
 	[[gnu::pure]]
 	bool IsStream() const noexcept;
 
+#ifdef __linux__
 	/**
 	 * Determine the socket protocol (SO_PROTOCOL),
 	 * e.g. IPPROTO_SCTP.  Returns -1 on error.
 	 */
 	[[gnu::pure]]
 	int GetProtocol() const noexcept;
+#endif // __linux__
 
 	static constexpr SocketDescriptor Undefined() noexcept {
 #ifdef _WIN32