fanotify.c revision 5d22f0742a3a5df57780ffafd5315897935fa525 
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
13SYS_FUNC(fanotify_init)
14{
15	unsigned flags;
16
17	flags = tcp->u_arg[0];
18	printxval(fan_classes, flags & FAN_ALL_CLASS_BITS, "FAN_CLASS_???");
19	flags &= ~FAN_ALL_CLASS_BITS;
20	if (flags) {
21		tprints("|");
22		printflags(fan_init_flags, flags, "FAN_???");
23	}
24	tprints(", ");
25	tprint_open_modes((unsigned) tcp->u_arg[1]);
26
27	return RVAL_DECODED | RVAL_FD;
28}
29
30#include "xlat/fan_mark_flags.h"
31#include "xlat/fan_event_flags.h"
32
33SYS_FUNC(fanotify_mark)
34{
35	unsigned long long mask = 0;
36	int argn;
37
38	printfd(tcp, tcp->u_arg[0]);
39	tprints(", ");
40	printflags(fan_mark_flags, (unsigned) tcp->u_arg[1], "FAN_MARK_???");
41	tprints(", ");
42	/*
43	 * the mask argument is defined as 64-bit,
44	 * but kernel uses the lower 32 bits only.
45	 */
46	argn = getllval(tcp, &mask, 2);
47#ifdef HPPA
48	/* Parsic is weird.  See arch/parisc/kernel/sys_parisc32.c.  */
49	mask = (mask << 32) | (mask >> 32);
50#endif
51	printflags(fan_event_flags, mask, "FAN_???");
52	tprints(", ");
53	if ((int) tcp->u_arg[argn] == FAN_NOFD)
54		tprints("FAN_NOFD, ");
55	else
56		print_dirfd(tcp, tcp->u_arg[argn]);
57	printpath(tcp, tcp->u_arg[argn + 1]);
58
59	return RVAL_DECODED;
60}
61