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-rw-r--r--compat/linux/h_inotify_directory.c108
1 files changed, 108 insertions, 0 deletions
diff --git a/compat/linux/h_inotify_directory.c b/compat/linux/h_inotify_directory.c
new file mode 100644
index 000000000000..3fc8d91e7674
--- /dev/null
+++ b/compat/linux/h_inotify_directory.c
@@ -0,0 +1,108 @@
+/* $NetBSD: h_inotify_directory.c,v 1.1 2023/08/19 22:56:44 christos Exp $ */
+
+/*-
+ * Copyright (c) 2023 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Theodore Preduta.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <sys/cdefs.h>
+__RCSID("$NetBSD: h_inotify_directory.c,v 1.1 2023/08/19 22:56:44 christos Exp $");
+
+#include "h_linux.h"
+
+#include <sys/null.h>
+
+#include <compat/linux/linux_syscall.h>
+#include <compat/linux/common/linux_inotify.h>
+
+#define INOTIFY_ALL_DIRECTORY (LINUX_IN_ATTRIB|LINUX_IN_CREATE \
+ |LINUX_IN_MOVE_SELF|LINUX_IN_MOVED_FROM \
+ |LINUX_IN_MOVED_TO|LINUX_IN_DELETE \
+ |LINUX_IN_DELETE_SELF)
+
+char buf[8192];
+
+struct {
+ uint32_t mask;
+ bool cookie;
+ char name[16];
+} target_events[] = {
+ { .mask = LINUX_IN_CREATE, .cookie = 0, .name = "test", },
+ { .mask = LINUX_IN_MOVED_FROM, .cookie = 1, .name = "test", },
+ { .mask = LINUX_IN_MOVED_TO, .cookie = 1, .name = "test2", },
+ { .mask = LINUX_IN_DELETE, .cookie = 0, .name = "test2", },
+ { .mask = LINUX_IN_MOVE_SELF, .cookie = 0, .name = "", },
+ { .mask = LINUX_IN_DELETE_SELF, .cookie = 0, .name = "", },
+ { .mask = LINUX_IN_IGNORED, .cookie = 0, .name = "", },
+};
+
+void
+_start(void)
+{
+ int fd, wd, targetfd;
+ char *cur_buf;
+ struct linux_inotify_event *cur_ie;
+
+ RS(mkdir("test", 0644));
+
+ RS(fd = syscall(LINUX_SYS_inotify_init));
+ RS(wd = syscall(LINUX_SYS_inotify_add_watch, fd, (register_t)"test",
+ INOTIFY_ALL_DIRECTORY));
+
+ /* Create some events. */
+ RS(targetfd = open("test/test", LINUX_O_RDWR|LINUX_O_CREAT, 0644));
+ RS(write(targetfd, &targetfd, sizeof(targetfd)));
+ RS(close(targetfd));
+ RS(rename("test/test", "test/test2"));
+ RS(unlink("test/test2"));
+ RS(rename("test", "test2"));
+ RS(rmdir("test2"));
+
+ /* Check the events. */
+ RS(read(fd, buf, sizeof(buf)));
+ cur_buf = buf;
+ for (size_t i = 0; i < __arraycount(target_events); i++) {
+ cur_ie = (struct linux_inotify_event *)cur_buf;
+
+ REQUIRE(cur_ie->wd == wd);
+ REQUIRE(cur_ie->mask == target_events[i].mask);
+
+ if (target_events[i].cookie)
+ REQUIRE(cur_ie->cookie != 0);
+ else
+ REQUIRE(cur_ie->cookie == 0);
+
+ if (target_events[i].name[0] != '\0') {
+ REQUIRE(cur_ie->len > strlen(target_events[i].name));
+ REQUIRE(strcmp(cur_ie->name, target_events[i].name) == 0);
+ } else
+ REQUIRE(cur_ie->len == 0);
+
+ cur_buf += sizeof(struct linux_inotify_event) + cur_ie->len;
+ }
+
+ exit(0);
+}