granicus.if.org Git - strace/blob - fanotify.c

   1 #include "defs.h"
   2 #include <linux/fanotify.h>
   3
   4 static const struct xlat fan_classes[] = {
   5         XLAT(FAN_CLASS_NOTIF),
   6         XLAT(FAN_CLASS_CONTENT),
   7         XLAT(FAN_CLASS_PRE_CONTENT),
   8         XLAT_END
   9 };
  10
  11 static const struct xlat fan_init_flags[] = {
  12         XLAT(FAN_CLOEXEC),
  13         XLAT(FAN_NONBLOCK),
  14         XLAT(FAN_UNLIMITED_QUEUE),
  15         XLAT(FAN_UNLIMITED_MARKS),
  16         XLAT_END
  17 };
  18
  19 int
  20 sys_fanotify_init(struct tcb *tcp)
  21 {
  22         unsigned flags;
  23
  24         if (exiting(tcp))
  25                 return 0;
  26
  27         flags = tcp->u_arg[0];
  28         printxval(fan_classes, flags & FAN_ALL_CLASS_BITS, "FAN_CLASS_???");
  29         flags &= ~FAN_ALL_CLASS_BITS;
  30         if (flags) {
  31                 tprints("|");
  32                 printflags(fan_init_flags, flags, "FAN_???");
  33         }
  34         tprints(", ");
  35         tprint_open_modes((unsigned) tcp->u_arg[1]);
  36
  37         return 0;
  38 }
  39
  40 static const struct xlat fan_mark_flags[] = {
  41         XLAT(FAN_MARK_ADD),
  42         XLAT(FAN_MARK_REMOVE),
  43         XLAT(FAN_MARK_DONT_FOLLOW),
  44         XLAT(FAN_MARK_ONLYDIR),
  45         XLAT(FAN_MARK_MOUNT),
  46         XLAT(FAN_MARK_IGNORED_MASK),
  47         XLAT(FAN_MARK_IGNORED_SURV_MODIFY),
  48         XLAT(FAN_MARK_FLUSH),
  49         XLAT_END
  50 };
  51
  52 static const struct xlat fan_event_flags[] = {
  53         XLAT(FAN_ACCESS),
  54         XLAT(FAN_MODIFY),
  55         XLAT(FAN_CLOSE),
  56         XLAT(FAN_CLOSE_WRITE),
  57         XLAT(FAN_CLOSE_NOWRITE),
  58         XLAT(FAN_OPEN),
  59         XLAT(FAN_Q_OVERFLOW),
  60         XLAT(FAN_OPEN_PERM),
  61         XLAT(FAN_ACCESS_PERM),
  62         XLAT(FAN_ONDIR),
  63         XLAT(FAN_EVENT_ON_CHILD),
  64         XLAT_END
  65 };
  66
  67 int
  68 sys_fanotify_mark(struct tcb *tcp)
  69 {
  70         if (exiting(tcp))
  71                 return 0;
  72
  73         printfd(tcp, tcp->u_arg[0]);
  74         tprints(", ");
  75         printflags(fan_mark_flags, (unsigned) tcp->u_arg[1], "FAN_MARK_???");
  76         tprints(", ");
  77         printflags(fan_event_flags, tcp->u_arg[2], "FAN_???");
  78         tprints(", ");
  79         if ((int) tcp->u_arg[3] == FAN_NOFD)
  80                 tprints("FAN_NOFD, ");
  81         else
  82                 print_dirfd(tcp, tcp->u_arg[3]);
  83         printpath(tcp, tcp->u_arg[4]);
  84
  85         return 0;
  86 }