From 467c9e2bdbe1192635c786b4ae2120e2ffc7fb63 Mon Sep 17 00:00:00 2001
From: "Luke T. Shumaker" <lukeshu@lukeshu.com>
Date: Sun, 23 Feb 2025 09:24:31 -0700
Subject: libhw/generic/net.h: Tidy up the interfaces

---
 libhw_generic/include/libhw/generic/io.h | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

(limited to 'libhw_generic/include/libhw/generic/io.h')

diff --git a/libhw_generic/include/libhw/generic/io.h b/libhw_generic/include/libhw/generic/io.h
index 681c5ef..9128bd3 100644
--- a/libhw_generic/include/libhw/generic/io.h
+++ b/libhw_generic/include/libhw/generic/io.h
@@ -9,6 +9,8 @@
 
 #include <stddef.h>    /* for size_t */
 
+#include <libobj/obj.h>
+
 /* structs ********************************************************************/
 
 #if __unix__
@@ -26,4 +28,25 @@ struct duplex_iovec {
 	size_t   iov_len;
 };
 
+/* basic interfaces ***********************************************************/
+
+/**
+ * Return 0 on success, -errno on error.
+ */
+#define io_closer_LO_IFACE \
+	LO_FUNC(int, close)
+LO_INTERFACE(io_closer)
+#define io_close(c) LO_CALL(c, close)
+
+/**
+ * All methods return 0 on success, -errno on error.
+ */
+#define io_bidi_closer_LO_IFACE \
+	LO_NEST(io_closer) \
+	LO_FUNC(int, close_read) \
+	LO_FUNC(int, close_write)
+LO_INTERFACE(io_bidi_closer)
+#define io_close_read(c) LO_CALL(c, close_read)
+#define io_close_write(c) LO_CALL(c, close_write)
+
 #endif /* _LIBHW_GENERIC_IO_H_ */
-- 
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