mirror of
https://gitlab.gnome.org/GNOME/glib.git
synced 2024-11-14 13:26:16 +01:00
596f96b08d
MacOS provides the O_EVTONLY flag to open(2) which allow to open a file for monitoring without preventing an unmount of the volume that contains it. https://bugzilla.gnome.org/show_bug.cgi?id=688518
66 lines
2.2 KiB
C
66 lines
2.2 KiB
C
/*******************************************************************************
|
|
Copyright (c) 2012 Dmitry Matveev <me@dmitrymatveev.co.uk>
|
|
Copyright (c) 2012 Antoine Jacoutot <ajacoutot@openbsd.org>
|
|
|
|
Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
of this software and associated documentation files (the "Software"), to deal
|
|
in the Software without restriction, including without limitation the rights
|
|
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
copies of the Software, and to permit persons to whom the Software is
|
|
furnished to do so, subject to the following conditions:
|
|
|
|
The above copyright notice and this permission notice shall be included in
|
|
all copies or substantial portions of the Software.
|
|
|
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
THE SOFTWARE.
|
|
*******************************************************************************/
|
|
|
|
#include <fcntl.h>
|
|
#include <glib.h>
|
|
#include <gio/gio.h>
|
|
#include "kqueue-exclusions.h"
|
|
|
|
static gboolean ke_debug_enabled = FALSE;
|
|
#define KE_W if (ke_debug_enabled) g_warning
|
|
|
|
/**
|
|
* _ke_is_excluded:
|
|
* @full_path - a path to file to check.
|
|
*
|
|
* Returns: TRUE if the file should be excluded from the kqueue-powered
|
|
* monitoring, FALSE otherwise.
|
|
**/
|
|
gboolean
|
|
_ke_is_excluded (const char *full_path)
|
|
{
|
|
#if defined (O_EVTONLY)
|
|
return FALSE;
|
|
#else
|
|
GFile *f = NULL;
|
|
GMount *mount = NULL;
|
|
|
|
f = g_file_new_for_path (full_path);
|
|
|
|
if (f != NULL) {
|
|
mount = g_file_find_enclosing_mount (f, NULL, NULL);
|
|
g_object_unref (f);
|
|
}
|
|
|
|
if ((mount != NULL && (g_mount_can_unmount (mount))) || g_str_has_prefix (full_path, "/mnt/"))
|
|
{
|
|
KE_W ("Excluding %s from kernel notification, falling back to poll", full_path);
|
|
if (mount)
|
|
g_object_unref (mount);
|
|
return TRUE;
|
|
}
|
|
else
|
|
return FALSE;
|
|
#endif
|
|
}
|