This file is indexed.

/usr/include/directfb/direct/signals.h is in libdirectfb-dev 1.2.10.0-5.1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
/*
   (c) Copyright 2001-2008  The world wide DirectFB Open Source Community (directfb.org)
   (c) Copyright 2000-2004  Convergence (integrated media) GmbH

   All rights reserved.

   Written by Denis Oliver Kropp <dok@directfb.org>,
              Andreas Hundt <andi@fischlustig.de>,
              Sven Neumann <neo@directfb.org>,
              Ville Syrjälä <syrjala@sci.fi> and
              Claudio Ciccani <klan@users.sf.net>.

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.

   This library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with this library; if not, write to the
   Free Software Foundation, Inc., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.
*/

#ifndef __DIRECT__SIGNALS_H__
#define __DIRECT__SIGNALS_H__

#include <direct/types.h>


typedef enum {
     DSHR_OK,
     DSHR_REMOVE,
     DSHR_RESUME
} DirectSignalHandlerResult;

typedef DirectSignalHandlerResult (*DirectSignalHandlerFunc)( int   num,
                                                              void *addr,
                                                              void *ctx );


DirectResult direct_signals_initialize( void );
DirectResult direct_signals_shutdown( void );

/*
 * Modifies the current thread's signal mask to block everything.
 * Should be called by input threads once to avoid killing themselves
 * in the signal handler by deinitializing all input drivers.
 */
void direct_signals_block_all( void );

/*
 * Signal number to use when registering a handler for any interrupt.
 */
#define DIRECT_SIGNAL_ANY     -1


DirectResult direct_signal_handler_add   ( int                       num,
                                           DirectSignalHandlerFunc   func,
                                           void                     *ctx,
                                           DirectSignalHandler     **ret_handler );

DirectResult direct_signal_handler_remove( DirectSignalHandler      *handler );


#endif