[newlib 25/65] Add SOL_LOCAL symbolic constant for unix socket option level.

[Sebastian Huber]

From: Konstantin Belousov <kib at FreeBSD.org>

The constant seems to exists on MacOS X >= 10.8.

Requested by:	swills
Reviewed by:	allanjude, kevans
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
Differential revision:	https://reviews.freebsd.org/D25933
---
 newlib/libc/sys/rtems/include/sys/un.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/newlib/libc/sys/rtems/include/sys/un.h b/newlib/libc/sys/rtems/include/sys/un.h
index 3c408628c..3a011aeef 100644
--- a/newlib/libc/sys/rtems/include/sys/un.h
+++ b/newlib/libc/sys/rtems/include/sys/un.h
@@ -62,6 +62,8 @@ struct sockaddr_un {
 
 #if __BSD_VISIBLE
 
+#define	SOL_LOCAL		0	/* Options for local socket */
+
 /* Socket options. */
 #define	LOCAL_PEERCRED		1	/* retrieve peer credentials */
 #define	LOCAL_CREDS		2	/* pass credentials to receiver */
-- 
2.35.3