test-base64: Improve.

[gnulib.git] / lib / sys_socket.in.h

diff --git a/lib/sys_socket.in.h b/lib/sys_socket.in.h
index 0ce7e9b..e3f6d6c 100644 (file)
--- a/lib/sys_socket.in.h
+++ b/lib/sys_socket.in.h
@@ -43,6 +43,10 @@
 #ifndef _GL_SYS_SOCKET_H
 #define _GL_SYS_SOCKET_H
 
+#if !@HAVE_SA_FAMILY_T@
+typedef unsigned short  sa_family_t;
+#endif
+
 #if !@HAVE_STRUCT_SOCKADDR_STORAGE@
 # include <alignof.h>
 /* Code taken from glibc sysdeps/unix/sysv/linux/bits/socket.h on
@@ -419,5 +423,32 @@ extern int rpl_shutdown (int, int);
 
 #endif /* HAVE_SYS_SOCKET_H */
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if @GNULIB_ACCEPT4@
+/* Accept a connection on a socket, with specific opening flags.
+   The flags are a bitmask, possibly including O_CLOEXEC (defined in <fcntl.h>)
+   and O_TEXT, O_BINARY (defined in "binary-io.h").
+   See also the Linux man page at
+   <http://www.kernel.org/doc/man-pages/online/pages/man2/accept4.2.html>.  */
+# if @HAVE_ACCEPT4@
+#  define accept4 rpl_accept4
+# endif
+extern int accept4 (int sockfd, struct sockaddr *addr, socklen_t *addrlen,
+                   int flags);
+#elif defined GNULIB_POSIXCHECK
+# undef accept4
+# define accept4(s,a,l,f) \
+    (GL_LINK_WARNING ("accept4 is unportable - " \
+                      "use gnulib module accept4 for portability"), \
+     accept4 (s, a, l, f))
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* _GL_SYS_SOCKET_H */
 #endif /* _GL_SYS_SOCKET_H */