--- src/lib/libc/gen/sysconf.c	2005/11/13 00:07:42	1.4
+++ src/lib/libc/gen/sysconf.c	2008/02/21 12:47:54	1.5
@@ -286,6 +286,11 @@ sysconf(int name)
 		mib[1] = CTL_P1003_1B_TIMER_MAX;
 		goto yesno;
 #endif /* _P1003_1B_VISIBLE */
+	case _SC_NPROCESSORS_CONF:
+	case _SC_NPROCESSORS_ONLN:
+		mib[0] = CTL_HW;
+		mib[1] = HW_NCPU;
+		goto yesno;
 
 yesno:		if (sysctl(mib, 2, &value, &len, NULL, 0) == -1)
 			return (-1);