1 files changed, 130 insertions, 0 deletions
diff --git a/contrib/netbsd-tests/fs/union/t_pr.c b/contrib/netbsd-tests/fs/union/t_pr.c
new file mode 100644
index 0000000..2d0c0c8
--- /dev/null
+++ b/contrib/netbsd-tests/fs/union/t_pr.c
@@ -0,0 +1,130 @@
+/*	$NetBSD: t_pr.c,v 1.8 2011/08/10 06:27:02 hannken Exp $	*/
+
+#include <sys/types.h>
+#include <sys/mount.h>
+
+#include <atf-c.h>
+#include <err.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <string.h>
+#include <stdlib.h>
+
+#include <rump/rump.h>
+#include <rump/rump_syscalls.h>
+
+#include <miscfs/union/union.h>
+
+#include "../../h_macros.h"
+
+ATF_TC(multilayer);
+ATF_TC_HEAD(multilayer, tc)
+{
+	atf_tc_set_md_var(tc, "descr", "mount_union -b twice");
+}
+
+ATF_TC_BODY(multilayer, tc)
+{
+	struct union_args unionargs;
+
+	rump_init();
+
+	if (rump_sys_mkdir("/Tunion", 0777) == -1)
+		atf_tc_fail_errno("mkdir mp1");
+	if (rump_sys_mkdir("/Tunion2", 0777) == -1)
+		atf_tc_fail_errno("mkdir mp2");
+	if (rump_sys_mkdir("/Tunion2/A", 0777) == -1)
+		atf_tc_fail_errno("mkdir A");
+	if (rump_sys_mkdir("/Tunion2/B", 0777) == -1)
+		atf_tc_fail_errno("mkdir B");
+
+	unionargs.target = __UNCONST("/Tunion2/A");
+	unionargs.mntflags = UNMNT_BELOW;
+
+	if (rump_sys_mount(MOUNT_UNION, "/Tunion", 0,
+	    &unionargs, sizeof(unionargs)) == -1)
+		atf_tc_fail_errno("union mount");
+
+	unionargs.target = __UNCONST("/Tunion2/B");
+	unionargs.mntflags = UNMNT_BELOW;
+
+	rump_sys_mount(MOUNT_UNION, "/Tunion", 0,&unionargs,sizeof(unionargs));
+}
+
+ATF_TC(devnull1);
+ATF_TC_HEAD(devnull1, tc)
+{
+	atf_tc_set_md_var(tc, "descr", "mount_union -b and "
+	    "'echo x > /un/null'");
+}
+
+ATF_TC_BODY(devnull1, tc)
+{
+	struct union_args unionargs;
+	int fd, res;
+
+	rump_init();
+
+	if (rump_sys_mkdir("/mp", 0777) == -1)
+		atf_tc_fail_errno("mkdir mp");
+
+	unionargs.target = __UNCONST("/dev");
+	unionargs.mntflags = UNMNT_BELOW;
+
+	if (rump_sys_mount(MOUNT_UNION, "/mp", 0,
+	    &unionargs, sizeof(unionargs)) == -1)
+		atf_tc_fail_errno("union mount");
+
+	fd = rump_sys_open("/mp/null", O_WRONLY | O_CREAT | O_TRUNC);
+
+	if (fd == -1)
+		atf_tc_fail_errno("open");
+
+	res = rump_sys_write(fd, &fd, sizeof(fd));
+	if (res != sizeof(fd))
+		atf_tc_fail("write");
+}
+
+ATF_TC(devnull2);
+ATF_TC_HEAD(devnull2, tc)
+{
+	atf_tc_set_md_var(tc, "descr", "mount_union -b and "
+	    "'echo x >> /un/null'");
+}
+
+ATF_TC_BODY(devnull2, tc)
+{
+	struct union_args unionargs;
+	int fd, res;
+
+	rump_init();
+
+	if (rump_sys_mkdir("/mp", 0777) == -1)
+		atf_tc_fail_errno("mkdir mp");
+
+	unionargs.target = __UNCONST("/dev");
+	unionargs.mntflags = UNMNT_BELOW;
+
+	if (rump_sys_mount(MOUNT_UNION, "/mp", 0,
+	    &unionargs, sizeof(unionargs)) == -1)
+		atf_tc_fail_errno("union mount");
+
+	fd = rump_sys_open("/mp/null", O_WRONLY | O_CREAT | O_APPEND);
+	if (fd == -1)
+		atf_tc_fail_errno("open");
+
+	res = rump_sys_write(fd, &fd, sizeof(fd));
+	if (res != sizeof(fd))
+		atf_tc_fail("write");
+}
+
+ATF_TP_ADD_TCS(tp)
+{
+	ATF_TP_ADD_TC(tp, multilayer);
+	ATF_TP_ADD_TC(tp, devnull1);
+	ATF_TP_ADD_TC(tp, devnull2);
+
+	return atf_no_error();
+}