================
@@ -71,6 +101,18 @@ ListeningSocket::ListeningSocket(ListeningSocket &&LS)
Expected<ListeningSocket> ListeningSocket::createUnix(StringRef SocketPath,
int MaxBacklog) {
+ // Identify instances where the target socket address already exist but
hasn't
+ // been binded to by another program. If there is already a file (of any
type)
+ // at the specified path, ::bind() will fail with an error
+ if (llvm::sys::fs::exists(SocketPath)) {
+ Expected<int> MaybeFD = getSocketFD(SocketPath);
+ if (!MaybeFD) {
+ return llvm::make_error<StringError>(
+ std::make_error_code(std::errc::file_exists),
+ "Cannot create and bind to socket file");
+ }
----------------
Bigcheese wrote:
Need to call `::close` on the FD.
https://github.com/llvm/llvm-project/pull/67562
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