nexmon – Blame information for rev 1

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1 office 1 /*******************************************************************************
2 Copyright (c) 2012 Dmitry Matveev <me@dmitrymatveev.co.uk>
3 Copyright (c) 2012 Antoine Jacoutot <ajacoutot@openbsd.org>
4  
5 Permission is hereby granted, free of charge, to any person obtaining a copy
6 of this software and associated documentation files (the "Software"), to deal
7 in the Software without restriction, including without limitation the rights
8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
9 copies of the Software, and to permit persons to whom the Software is
10 furnished to do so, subject to the following conditions:
11  
12 The above copyright notice and this permission notice shall be included in
13 all copies or substantial portions of the Software.
14  
15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
21 THE SOFTWARE.
22 *******************************************************************************/
23  
24 #include <fcntl.h>
25 #include <glib.h>
26 #include <gio/gio.h>
27 #include "kqueue-exclusions.h"
28  
29 static gboolean ke_debug_enabled = FALSE;
30 #define KE_W if (ke_debug_enabled) g_warning
31  
32 /*
33 * _ke_is_excluded:
34 * @full_path - a path to file to check.
35 *
36 * Returns: TRUE if the file should be excluded from the kqueue-powered
37 * monitoring, FALSE otherwise.
38 **/
39 gboolean
40 _ke_is_excluded (const char *full_path)
41 {
42 #if defined (O_EVTONLY)
43 return FALSE;
44 #else
45 GFile *f = NULL;
46 GMount *mount = NULL;
47  
48 f = g_file_new_for_path (full_path);
49  
50 if (f != NULL) {
51 mount = g_file_find_enclosing_mount (f, NULL, NULL);
52 g_object_unref (f);
53 }
54  
55 if ((mount != NULL && (g_mount_can_unmount (mount))) || g_str_has_prefix (full_path, "/mnt/"))
56 {
57 KE_W ("Excluding %s from kernel notification, falling back to poll", full_path);
58 if (mount)
59 g_object_unref (mount);
60 return TRUE;
61 }
62 else
63 return FALSE;
64 #endif
65 }