pfctl: Fix global state initialization

Update #4654.

freebsd/sbin/pfctl/pfctl_parser.c

@@ -1351,10 +1351,17 @@ get_socket_domain(void)
 	return (sdom);
 }
 
+#ifdef __rtems__
+static int pfctl_s = -1;
+#endif /* __rtems__ */
 int
 get_query_socket(void)
 {
+#ifndef __rtems__
 	static int s = -1;
+#else /* __rtems__ */
+#define	s pfctl_s
+#endif /* __rtems__ */
 
 	if (s == -1) {
 		if ((s = socket(get_socket_domain(), SOCK_DGRAM, 0)) == -1)
@@ -1362,6 +1369,9 @@ get_query_socket(void)
 	}
 
 	return (s);
+#ifdef __rtems__
+#undef s
+#endif /* __rtems__ */
 }
 
 /*

freebsd/sbin/pfctl/rtems-bsd-pfctl-namespace.h

@@ -35,6 +35,7 @@
 #define parseport _bsd_pfctl_parseport
 #define pfctl_cmdline_symset _bsd_pfctl_pfctl_cmdline_symset
 #define pfctl_load_anchors _bsd_pfctl_pfctl_load_anchors
+#define pfctl_s _bsd_pfctl_s
 #define pfctlychar _bsd_pfctl_pfctlychar
 #define pfctlydebug _bsd_pfctl_pfctlydebug
 #define pfctlyerrflag _bsd_pfctl_pfctlyerrflag

freebsd/sbin/pfctl/rtems-bsd-pfctl-pfctl_parser-data.h

@@ -3,3 +3,4 @@
 #include "rtems-bsd-pfctl-data.h"
 /* pfctl_parser.c */
 RTEMS_LINKER_RWSET_CONTENT(bsd_prog_pfctl, static struct node_host *iftab);
+RTEMS_LINKER_RWSET_CONTENT(bsd_prog_pfctl, static int pfctl_s);