Add generic socket definitions

diff --git a/include/sys/socket.h b/include/sys/socket.h
new file mode 100644 (file)
index 0000000..5d57dd6
--- /dev/null
+++ b/include/sys/socket.h
@@ -0,0 +1,33 @@
+#ifndef __SYS_SOCKET_H
+#define __SYS_SOCKET_H
+
+#include <sys/types.h>
+
+typedef size_t socklen_t;
+
+#define PF_UNIX        0
+#define PF_LOCAL       PF_UNIX
+#define PF_INET        1
+#define PF_INET6       2
+
+#define AF_UNIX        PF_UNIX
+#define AF_LOCAL       AF_UNIX
+#define AF_INET        PF_INET
+#define AF_INET6       PF_INET6
+
+#define SOCK_RAW       0
+#define SOCK_DGRAM     1
+#define SOCK_STREAM    2
+#define SOCK_SEQPACKET 3
+
+struct sockaddr {
+       u16_t so_family;
+       /*
+        * struct sockaddr has to be big enough to fit all
+        * supported sockaddr types. The biggest one is
+        * struct sockaddr_un with 110 bytes.
+        */
+       u8_t so_data[108];
+};
+
+#endif /* __SYS_SOCKET_H */