fanotify.c revision 34bbcc6270c7c1adc1687e4115aa64a265850730 
1#include "defs.h"
2
3#include "xlat/fan_classes.h"
4#include "xlat/fan_init_flags.h"
5
6#ifndef FAN_ALL_CLASS_BITS
7# define FAN_ALL_CLASS_BITS (FAN_CLASS_NOTIF | FAN_CLASS_CONTENT | FAN_CLASS_PRE_CONTENT)
8#endif
9#ifndef FAN_NOFD
10# define FAN_NOFD -1
11#endif
12
13int
14sys_fanotify_init(struct tcb *tcp)
15{
16	unsigned flags;
17
18	if (exiting(tcp))
19		return 0;
20
21	flags = tcp->u_arg[0];
22	printxval(fan_classes, flags & FAN_ALL_CLASS_BITS, "FAN_CLASS_???");
23	flags &= ~FAN_ALL_CLASS_BITS;
24	if (flags) {
25		tprints("|");
26		printflags(fan_init_flags, flags, "FAN_???");
27	}
28	tprints(", ");
29	tprint_open_modes((unsigned) tcp->u_arg[1]);
30
31	return 0;
32}
33
34#include "xlat/fan_mark_flags.h"
35#include "xlat/fan_event_flags.h"
36
37int
38sys_fanotify_mark(struct tcb *tcp)
39{
40	unsigned long long mask = 0;
41	int argn;
42
43	if (exiting(tcp))
44		return 0;
45
46	printfd(tcp, tcp->u_arg[0]);
47	tprints(", ");
48	printflags(fan_mark_flags, (unsigned) tcp->u_arg[1], "FAN_MARK_???");
49	tprints(", ");
50	/*
51	 * the mask argument is defined as 64-bit,
52	 * but kernel uses the lower 32 bits only.
53	 */
54	argn = getllval(tcp, &mask, 2);
55	printflags(fan_event_flags, mask, "FAN_???");
56	tprints(", ");
57	if ((int) tcp->u_arg[argn] == FAN_NOFD)
58		tprints("FAN_NOFD, ");
59	else
60		print_dirfd(tcp, tcp->u_arg[argn]);
61	printpath(tcp, tcp->u_arg[argn + 1]);
62
63	return 0;
64}
65