Index: head/contrib/netbsd-tests/kernel/t_sysv.c
===================================================================
--- head/contrib/netbsd-tests/kernel/t_sysv.c
+++ head/contrib/netbsd-tests/kernel/t_sysv.c
@@ -72,7 +72,7 @@
 
 #define	MESSAGE_TEXT_LEN	256
 
-struct mymsg {
+struct testmsg {
 	long	mtype;
 	char	mtext[MESSAGE_TEXT_LEN];
 };
@@ -94,11 +94,13 @@
 
 int	maxloop = 1;
 
+#ifndef __FreeBSD__
 union semun {
 	int	val;		/* value for SETVAL */
 	struct	semid_ds *buf;	/* buffer for IPC_{STAT,SET} */
 	u_short	*array;		/* array for GETALL & SETALL */
 };
+#endif
 
 
 /* Writes an integer to a file.  To be used from the body of the test
@@ -174,7 +176,7 @@
 
 	/* Create the file, since ftok() requires it to exist! */
 
-	fd = open(token_key, O_RDWR | O_CREAT | O_EXCL);
+	fd = open(token_key, O_RDWR | O_CREAT | O_EXCL, 0600);
 	if (fd == -1) {
 		rmdir(tmpdir);
 		atf_tc_fail("open() of temp file failed: %d", errno);
@@ -202,7 +204,7 @@
 {
 	struct sigaction sa;
 	struct msqid_ds m_ds;
-	struct mymsg m;
+	struct testmsg m;
 	sigset_t sigmask;
 	int sender_msqid;
 	int loop;
@@ -347,9 +349,7 @@
 }
 
 void
-print_msqid_ds(mp, mode)
-	struct msqid_ds *mp;
-	mode_t mode;
+print_msqid_ds(struct msqid_ds *mp, mode_t mode)
 {
 	uid_t uid = geteuid();
 	gid_t gid = getegid();
@@ -381,9 +381,9 @@
 }
 
 void
-receiver()
+receiver(void)
 {
-	struct mymsg m;
+	struct testmsg m;
 	int msqid, loop;
 
 	if ((msqid = msgget(msgkey, 0)) == -1)
@@ -588,9 +588,7 @@
 }
 
 void
-print_semid_ds(sp, mode)
-	struct semid_ds *sp;
-	mode_t mode;
+print_semid_ds(struct semid_ds *sp, mode_t mode)
 {
 	uid_t uid = geteuid();
 	gid_t gid = getegid();
@@ -620,7 +618,7 @@
 }
 
 void
-waiter()
+waiter(void)
 {
 	struct sembuf s;
 	int semid;
@@ -789,9 +787,7 @@
 }
 
 void
-print_shmid_ds(sp, mode)
-	struct shmid_ds *sp;
-	mode_t mode;
+print_shmid_ds(struct shmid_ds *sp, mode_t mode)
 {
 	uid_t uid = geteuid();
 	gid_t gid = getegid();
@@ -823,7 +819,7 @@
 }
 
 void
-sharer()
+sharer(void)
 {
 	int shmid;
 	void *shm_buf;
Index: head/tests/sys/kern/Makefile
===================================================================
--- head/tests/sys/kern/Makefile
+++ head/tests/sys/kern/Makefile
@@ -26,6 +26,7 @@
 
 NETBSD_ATF_TESTS_C+=	lockf_test
 NETBSD_ATF_TESTS_C+=	mqueue_test
+NETBSD_ATF_TESTS_C+=	sysv_test
 
 CFLAGS.mqueue_test+=	-I${SRCTOP}/tests
 LIBADD.mqueue_test+=	rt