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

diff --git a/lib/sys_socket.in.h b/lib/sys_socket.in.h
index ddc4264..e3f6d6c 100644 (file)
--- a/lib/sys_socket.in.h
+++ b/lib/sys_socket.in.h
@@ -1,6 +1,6 @@
 /* Provide a sys/socket header file for systems lacking it (read: MinGW)
    and for systems where it is incomplete.
-   Copyright (C) 2005-2008 Free Software Foundation, Inc.
+   Copyright (C) 2005-2009 Free Software Foundation, Inc.
    Written by Simon Josefsson.
 
    This program is free software; you can redistribute it and/or modify
@@ -27,7 +27,9 @@
 
 #if @HAVE_SYS_SOCKET_H@
 
+# if __GNUC__ >= 3
 @PRAGMA_SYSTEM_HEADER@
+# endif
 
 /* On many platforms, <sys/socket.h> assumes prior inclusion of
    <sys/types.h>.  */
@@ -41,6 +43,30 @@
 #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
+   2009-05-08, licensed under LGPLv2.1+, plus portability fixes. */
+# define __ss_aligntype unsigned long int
+# define _SS_SIZE 256
+# define _SS_PADSIZE \
+    (_SS_SIZE - ((sizeof (sa_family_t) >= alignof (__ss_aligntype)     \
+                 ? sizeof (sa_family_t)                                \
+                 : alignof (__ss_aligntype))                           \
+                + sizeof (__ss_aligntype)))
+
+struct sockaddr_storage
+{
+  sa_family_t ss_family;      /* Address family, etc.  */
+  __ss_aligntype __ss_align;  /* Force desired alignment.  */
+  char __ss_padding[_SS_PADSIZE];
+};
+#endif
+
 #if @HAVE_SYS_SOCKET_H@
 
 /* A platform that has <sys/socket.h>.  */
@@ -118,9 +144,9 @@ extern "C" {
 /* Re-define FD_ISSET to avoid a WSA call while we are not using
    network sockets.  */
 static inline int
-rpl_fd_isset (int fd, fd_set * set)
+rpl_fd_isset (SOCKET fd, fd_set * set)
 {
-  int i;
+  u_int i;
   if (set == NULL)
     return 0;
 
@@ -143,6 +169,11 @@ rpl_fd_isset (int fd, fd_set * set)
 #  define close close_used_without_including_unistd_h
 # endif
 
+# if @HAVE_WINSOCK2_H@ && !defined _GL_UNISTD_H
+#  undef gethostname
+#  define gethostname gethostname_used_without_including_unistd_h
+# endif
+
 # if @GNULIB_SOCKET@
 #  if @HAVE_WINSOCK2_H@
 #   undef socket
@@ -249,7 +280,7 @@ extern int rpl_getsockname (int, struct sockaddr *, int *);
 #  if @HAVE_WINSOCK2_H@
 #   undef getsockopt
 #   define getsockopt          rpl_getsockopt
-extern int rpl_getsockopt (int, int, int, void *, int *);
+extern int rpl_getsockopt (int, int, int, void *, socklen_t *);
 #  endif
 # elif @HAVE_WINSOCK2_H@
 #  undef getsockopt
@@ -279,12 +310,6 @@ extern int rpl_listen (int, int);
       listen (s, b))
 # endif
 
-# if @HAVE_WINSOCK2_H@
-#  undef ioctl
-#  define ioctl                        rpl_ioctl
-extern int rpl_ioctl (int, int, ...);
-# endif
-
 # if @GNULIB_RECV@
 #  if @HAVE_WINSOCK2_H@
 #   undef recv
@@ -357,7 +382,7 @@ extern int rpl_sendto (int, const void *, int, int, struct sockaddr *, int);
 #  if @HAVE_WINSOCK2_H@
 #   undef setsockopt
 #   define setsockopt          rpl_setsockopt
-extern int rpl_setsockopt (int, int, int, const void *, int);
+extern int rpl_setsockopt (int, int, int, const void *, socklen_t);
 #  endif
 # elif @HAVE_WINSOCK2_H@
 #  undef setsockopt
@@ -370,22 +395,60 @@ extern int rpl_setsockopt (int, int, int, const void *, int);
       setsockopt (s, lvl, o, v, l))
 # endif
 
+# if @GNULIB_SHUTDOWN@
+#  if @HAVE_WINSOCK2_H@
+#   undef shutdown
+#   define shutdown            rpl_shutdown
+extern int rpl_shutdown (int, int);
+#  endif
+# elif @HAVE_WINSOCK2_H@
+#  undef shutdown
+#  define shutdown shutdown_used_without_requesting_gnulib_module_shutdown
+# elif defined GNULIB_POSIXCHECK
+#  undef shutdown
+#  define shutdown(s,h) \
+     (GL_LINK_WARNING ("shutdown is not always POSIX compliant - " \
+                       "use gnulib module shutdown for portability"), \
+      shutdown (s, h))
+# endif
+
 # if @HAVE_WINSOCK2_H@
 #  undef select
 #  define select               select_used_without_including_sys_select_h
 # endif
 
-# if @GNULIB_CLOSE@ && @HAVE_WINSOCK2_H@
-/* gnulib internal function.  */
-#  define HAVE__GL_CLOSE_FD_MAYBE_SOCKET 1
-extern int _gl_close_fd_maybe_socket (int fd);
-# endif
-
 # ifdef __cplusplus
 }
 # endif
 
 #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 */