[newlib-cygwin] unix(4): Add SOL_LOCAL:LOCAL_CREDS_PERSISTENT

[newlib-cygwin] unix(4): Add SOL_LOCAL:LOCAL_CREDS_PERSISTENT

[Sebastian Huber]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=55dec604f8e451e2d5d761ab0ccd3eb32be0738f

commit 55dec604f8e451e2d5d761ab0ccd3eb32be0738f
Author: Conrad Meyer <cem@FreeBSD.org>
Date:   Tue Nov 3 01:17:45 2020 +0000

    unix(4): Add SOL_LOCAL:LOCAL_CREDS_PERSISTENT
    
    This option is intended to be semantically identical to Linux's
    SOL_SOCKET:SO_PASSCRED.  For now, it is mutually exclusive with the
    pre-existing sockopt SOL_LOCAL:LOCAL_CREDS.
    
    Reviewed by:    markj (penultimate version)
    Differential Revision:  https://reviews.freebsd.org/D27011

Diff:
---
 newlib/libc/sys/rtems/include/sys/un.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/newlib/libc/sys/rtems/include/sys/un.h b/newlib/libc/sys/rtems/include/sys/un.h
index 3a011aeef..e02484151 100644
--- a/newlib/libc/sys/rtems/include/sys/un.h
+++ b/newlib/libc/sys/rtems/include/sys/un.h
@@ -67,6 +67,7 @@ struct sockaddr_un {
 /* Socket options. */
 #define	LOCAL_PEERCRED		1	/* retrieve peer credentials */
 #define	LOCAL_CREDS		2	/* pass credentials to receiver */
+#define	LOCAL_CREDS_PERSISTENT	3	/* pass credentials to receiver */
 #define	LOCAL_CONNWAIT		4	/* connects block until accepted */
 
 /* Start of reserved space for third-party socket options. */