sysconf(_SC_RTSIG_MAX)

[coypu%sdf.org@localhost]

Patch attached. Needed this for sudo update.

Please tell me how I am wrong.
Thanks.

Index: sys/sys/unistd.h
===================================================================
RCS file: /cvsroot/src/sys/sys/unistd.h,v
retrieving revision 1.61
diff -u -r1.61 unistd.h
--- sys/sys/unistd.h	4 Aug 2016 06:43:43 -0000	1.61
+++ sys/sys/unistd.h	14 Oct 2019 20:35:45 -0000
@@ -320,6 +320,7 @@
 #define	_SC_DELAYTIMER_MAX		92
 #define	_SC_SIGQUEUE_MAX		93
 #define	_SC_REALTIME_SIGNALS		94
+#define	_SC_RTSIG_MAX			95
 
 /* Extensions found in Solaris and Linux. */
 #define	_SC_PHYS_PAGES		121
Index: lib/libc/gen/sysconf.c
===================================================================
RCS file: /cvsroot/src/lib/libc/gen/sysconf.c,v
retrieving revision 1.41
diff -u -r1.41 sysconf.c
--- lib/libc/gen/sysconf.c	4 Aug 2016 06:43:43 -0000	1.41
+++ lib/libc/gen/sysconf.c	14 Oct 2019 20:35:48 -0000
@@ -339,6 +339,8 @@
 		return _GETPW_R_SIZE_MAX;
 
 /* Unsorted */
+	case _SC_RTSIG_MAX:
+		return SIGRTMAX;
 	case _SC_HOST_NAME_MAX:
 		return MAXHOSTNAMELEN;
 	case _SC_PASS_MAX: