1 files changed, 86 insertions, 0 deletions
diff --git a/fanotify.c b/fanotify.c
new file mode 100644
index 0000000..c8a7e37
--- /dev/null
+++ b/fanotify.c
@@ -0,0 +1,86 @@
+#include "defs.h"
+#include <linux/fanotify.h>
+
+static const struct xlat fan_classes[] = {
+	XLAT(FAN_CLASS_NOTIF),
+	XLAT(FAN_CLASS_CONTENT),
+	XLAT(FAN_CLASS_PRE_CONTENT),
+	XLAT_END
+};
+
+static const struct xlat fan_init_flags[] = {
+	XLAT(FAN_CLOEXEC),
+	XLAT(FAN_NONBLOCK),
+	XLAT(FAN_UNLIMITED_QUEUE),
+	XLAT(FAN_UNLIMITED_MARKS),
+	XLAT_END
+};
+
+int
+sys_fanotify_init(struct tcb *tcp)
+{
+	unsigned flags;
+
+	if (exiting(tcp))
+		return 0;
+
+	flags = tcp->u_arg[0];
+	printxval(fan_classes, flags & FAN_ALL_CLASS_BITS, "FAN_CLASS_???");
+	flags &= ~FAN_ALL_CLASS_BITS;
+	if (flags) {
+		tprints("|");
+		printflags(fan_init_flags, flags, "FAN_???");
+	}
+	tprints(", ");
+	tprint_open_modes((unsigned) tcp->u_arg[1]);
+
+	return 0;
+}
+
+static const struct xlat fan_mark_flags[] = {
+	XLAT(FAN_MARK_ADD),
+	XLAT(FAN_MARK_REMOVE),
+	XLAT(FAN_MARK_DONT_FOLLOW),
+	XLAT(FAN_MARK_ONLYDIR),
+	XLAT(FAN_MARK_MOUNT),
+	XLAT(FAN_MARK_IGNORED_MASK),
+	XLAT(FAN_MARK_IGNORED_SURV_MODIFY),
+	XLAT(FAN_MARK_FLUSH),
+	XLAT_END
+};
+
+static const struct xlat fan_event_flags[] = {
+	XLAT(FAN_ACCESS),
+	XLAT(FAN_MODIFY),
+	XLAT(FAN_CLOSE),
+	XLAT(FAN_CLOSE_WRITE),
+	XLAT(FAN_CLOSE_NOWRITE),
+	XLAT(FAN_OPEN),
+	XLAT(FAN_Q_OVERFLOW),
+	XLAT(FAN_OPEN_PERM),
+	XLAT(FAN_ACCESS_PERM),
+	XLAT(FAN_ONDIR),
+	XLAT(FAN_EVENT_ON_CHILD),
+	XLAT_END
+};
+
+int
+sys_fanotify_mark(struct tcb *tcp)
+{
+	if (exiting(tcp))
+		return 0;
+
+	printfd(tcp, tcp->u_arg[0]);
+	tprints(", ");
+	printflags(fan_mark_flags, (unsigned) tcp->u_arg[1], "FAN_MARK_???");
+	tprints(", ");
+	printflags(fan_event_flags, tcp->u_arg[2], "FAN_???");
+	tprints(", ");
+	if ((int) tcp->u_arg[3] == FAN_NOFD)
+		tprints("FAN_NOFD, ");
+	else
+		print_dirfd(tcp, tcp->u_arg[3]);
+	printpath(tcp, tcp->u_arg[4]);
+
+	return 0;
+}