1 files changed, 57 insertions, 0 deletions
diff --git a/src/platform/windows/win_socketpair.c b/src/platform/windows/win_socketpair.c
new file mode 100644
index 00000000..0ed0443a
--- /dev/null
+++ b/src/platform/windows/win_socketpair.c
@@ -0,0 +1,57 @@
+//
+// Copyright 2023 Staysail Systems, Inc. <info@staysail.tech>
+//
+// This software is supplied under the terms of the MIT License, a
+// copy of which should be located in the distribution where this
+// file was obtained (LICENSE.txt).  A copy of the license may also be
+// found online at https://opensource.org/licenses/MIT.
+//
+
+#include "core/nng_impl.h"
+
+
+#ifdef NNG_HAVE_SOCKETPAIR_TODO
+// TODO: Windows lacks socketpair.  We can emulate it with an explcit
+// implementation based on AF_UNIX.
+
+#include <errno.h>
+#include <sys/socket.h>
+
+int
+nni_socket_pair(int *fds)
+{
+	int rv;
+	rv = socketpair(PF_UNIX, SOCK_STREAM, 0, fds);
+	if (rv != 0) {
+		return (nni_plat_errno(errno));
+	}
+
+	return (0);
+}
+#else
+int
+nni_socket_pair(int fds[2])
+{
+	NNI_ARG_UNUSED(fds);
+	return (NNG_ENOTSUP);
+}
+
+// This is also the fdc transport.
+
+typedef struct nni_sfd_conn nni_sfd_conn;
+
+void
+nni_sfd_close_fd(int fd)
+{
+	NNI_ARG_UNUSED(fd);
+}
+
+int
+nni_sfd_conn_alloc(nni_sfd_conn **cp, int fd)
+{
+	NNI_ARG_UNUSED(cp);
+	NNI_ARG_UNUSED(fd);
+	return (NNG_ENOTSUP);
+}
+
+#endif