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-rw-r--r--src/basic/inotify-util.h36
1 files changed, 36 insertions, 0 deletions
diff --git a/src/basic/inotify-util.h b/src/basic/inotify-util.h
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+++ b/src/basic/inotify-util.h
@@ -0,0 +1,36 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+#pragma once
+
+#include <inttypes.h>
+#include <limits.h>
+#include <stddef.h>
+#include <sys/inotify.h>
+
+#include "log.h"
+
+#define INOTIFY_EVENT_MAX (offsetof(struct inotify_event, name) + NAME_MAX + 1)
+
+/* This evaluates arguments multiple times */
+#define FOREACH_INOTIFY_EVENT_FULL(e, buffer, sz, log_level) \
+ for (struct inotify_event *e = NULL; \
+ inotify_event_next(&buffer, sz, &e, log_level); )
+
+#define FOREACH_INOTIFY_EVENT(e, buffer, sz) \
+ FOREACH_INOTIFY_EVENT_FULL(e, buffer, sz, LOG_DEBUG)
+
+#define FOREACH_INOTIFY_EVENT_WARN(e, buffer, sz) \
+ FOREACH_INOTIFY_EVENT_FULL(e, buffer, sz, LOG_WARNING)
+
+union inotify_event_buffer {
+ struct inotify_event ev;
+ uint8_t raw[INOTIFY_EVENT_MAX];
+};
+
+bool inotify_event_next(
+ union inotify_event_buffer *buffer,
+ size_t size,
+ struct inotify_event **iterator,
+ int log_level);
+
+int inotify_add_watch_fd(int fd, int what, uint32_t mask);
+int inotify_add_watch_and_warn(int fd, const char *pathname, uint32_t mask);