[newlib-cygwin] Introduce __sa_family_t for BSD compatibiliy

[Corinna Vinschen]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=e03a7056a67a24a0c63192e5d9ec334fc96291ac

commit e03a7056a67a24a0c63192e5d9ec334fc96291ac
Author: Sebastian Huber <sebastian.huber@embedded-brains.de>
Date:   Mon Apr 18 15:29:23 2016 +0200

    Introduce __sa_family_t for BSD compatibiliy
    
    Signed-off-by: Sebastian Huber <sebastian.huber@embedded-brains.de>

Diff:
---
 newlib/libc/include/sys/_types.h       | 4 ++++
 winsup/cygwin/include/cygwin/socket.h  | 2 +-
 winsup/cygwin/include/machine/_types.h | 3 +++
 3 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/newlib/libc/include/sys/_types.h b/newlib/libc/include/sys/_types.h
index 37154ff..1c08d9f 100644
--- a/newlib/libc/include/sys/_types.h
+++ b/newlib/libc/include/sys/_types.h
@@ -188,6 +188,10 @@ typedef	_CLOCKID_T_	__clockid_t;
 #define	_TIMER_T_	unsigned long
 typedef	_TIMER_T_	__timer_t;
 
+#ifndef __machine_sa_family_t_defined
+typedef	__uint8_t	__sa_family_t;
+#endif
+
 #ifndef __machine_socklen_t_defined
 typedef	__uint32_t	__socklen_t;
 #endif
diff --git a/winsup/cygwin/include/cygwin/socket.h b/winsup/cygwin/include/cygwin/socket.h
index b82b085..5892714 100644
--- a/winsup/cygwin/include/cygwin/socket.h
+++ b/winsup/cygwin/include/cygwin/socket.h
@@ -24,7 +24,7 @@ typedef __socklen_t socklen_t;
 #define socklen_t socklen_t
 #endif
 
-typedef uint16_t sa_family_t;
+typedef __sa_family_t sa_family_t;
 
 #ifndef __INSIDE_CYGWIN_NET__
 struct sockaddr {
diff --git a/winsup/cygwin/include/machine/_types.h b/winsup/cygwin/include/machine/_types.h
index ee1a6c6..e6ed313 100644
--- a/winsup/cygwin/include/machine/_types.h
+++ b/winsup/cygwin/include/machine/_types.h
@@ -42,6 +42,9 @@ typedef __uint64_t __ino_t;
 #define __machine_key_t_defined
 typedef long long __key_t;
 
+#define __machine_sa_family_t_defined
+typedef __uint16_t __sa_family_t;
+
 /* Not unsigned for backward compatibility.  */
 #define __machine_socklen_t_defined
 typedef int __socklen_t;