glib/gio/gfilemonitor.c

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/* GIO - GLib Input, Output and Streaming Library
*
* Copyright (C) 2006-2007 Red Hat, Inc.
*
* 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
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* Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
*
* Author: Alexander Larsson <alexl@redhat.com>
*/
#include "config.h"
#include <string.h>
#include "gfilemonitor.h"
#include "gioenumtypes.h"
#include "gfile.h"
#include "gvfs.h"
#include "glibintl.h"
/**
* SECTION:gfilemonitor
* @short_description: File Monitor
* @include: gio/gio.h
*
* Monitors a file or directory for changes.
*
* To obtain a #GFileMonitor for a file or directory, use
* g_file_monitor(), g_file_monitor_file(), or
* g_file_monitor_directory().
*
* To get informed about changes to the file or directory you are
* monitoring, connect to the #GFileMonitor::changed signal. The
* signal will be emitted in the
* [thread-default main context][g-main-context-push-thread-default]
* of the thread that the monitor was created in
* (though if the global default main context is blocked, this may
* cause notifications to be blocked even if the thread-default
* context is still running).
**/
substantially rework file monitors Remove all event merging and dispatch logic from GFileMonitor. The only implementation of GFileMonitor outside of glib is in gvfs and it already does these things properly. Get rid of GLocalDirectoryMonitor. We will use a single class, GLocalFileMonitor, for both directory and file monitoring. This will prevent every single backend from having to create two objects separately (eg: ginotifydirectorymonitor.c and ginotifyfilemonitor.c). Introduce GFileMonitorSource as a thread-safe cross-context dispatch mechanism. Put it in GLocalFileMonitor. All backends will be expected to dispatch via the source and not touch the GFileMonitor object at all from the worker thread. Remove all construct properties from GLocalFileMonitor and remove the "context" construct property from GFileMonitor. All backends must now get the information about what file to monitor from the ->start() call which is mandatory to implement. Remove the implementation of rate limiting in GFileMonitor and add an implementation in GLocalFileMonitor. gvfs never did anything with this anyway, but if it wanted to, it would have to implement it for itself. This was done in order to get the rate_limit field into the GFileMonitorSource so that it could be safely accessed from the worker thread. Expose g_local_file_is_remote() internally for NFS detection. With the "is_remote" functionality exposed, we can now move all functions for creating local file monitors to a proper location in glocalfilemonitor.c Port the inotify backend to adjust to the changes above. None of the other backends are ported yet. Those will come in future commits.
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#define DEFAULT_RATE_LIMIT_MSECS 800
substantially rework file monitors Remove all event merging and dispatch logic from GFileMonitor. The only implementation of GFileMonitor outside of glib is in gvfs and it already does these things properly. Get rid of GLocalDirectoryMonitor. We will use a single class, GLocalFileMonitor, for both directory and file monitoring. This will prevent every single backend from having to create two objects separately (eg: ginotifydirectorymonitor.c and ginotifyfilemonitor.c). Introduce GFileMonitorSource as a thread-safe cross-context dispatch mechanism. Put it in GLocalFileMonitor. All backends will be expected to dispatch via the source and not touch the GFileMonitor object at all from the worker thread. Remove all construct properties from GLocalFileMonitor and remove the "context" construct property from GFileMonitor. All backends must now get the information about what file to monitor from the ->start() call which is mandatory to implement. Remove the implementation of rate limiting in GFileMonitor and add an implementation in GLocalFileMonitor. gvfs never did anything with this anyway, but if it wanted to, it would have to implement it for itself. This was done in order to get the rate_limit field into the GFileMonitorSource so that it could be safely accessed from the worker thread. Expose g_local_file_is_remote() internally for NFS detection. With the "is_remote" functionality exposed, we can now move all functions for creating local file monitors to a proper location in glocalfilemonitor.c Port the inotify backend to adjust to the changes above. None of the other backends are ported yet. Those will come in future commits.
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struct _GFileMonitorPrivate
{
gboolean cancelled;
};
substantially rework file monitors Remove all event merging and dispatch logic from GFileMonitor. The only implementation of GFileMonitor outside of glib is in gvfs and it already does these things properly. Get rid of GLocalDirectoryMonitor. We will use a single class, GLocalFileMonitor, for both directory and file monitoring. This will prevent every single backend from having to create two objects separately (eg: ginotifydirectorymonitor.c and ginotifyfilemonitor.c). Introduce GFileMonitorSource as a thread-safe cross-context dispatch mechanism. Put it in GLocalFileMonitor. All backends will be expected to dispatch via the source and not touch the GFileMonitor object at all from the worker thread. Remove all construct properties from GLocalFileMonitor and remove the "context" construct property from GFileMonitor. All backends must now get the information about what file to monitor from the ->start() call which is mandatory to implement. Remove the implementation of rate limiting in GFileMonitor and add an implementation in GLocalFileMonitor. gvfs never did anything with this anyway, but if it wanted to, it would have to implement it for itself. This was done in order to get the rate_limit field into the GFileMonitorSource so that it could be safely accessed from the worker thread. Expose g_local_file_is_remote() internally for NFS detection. With the "is_remote" functionality exposed, we can now move all functions for creating local file monitors to a proper location in glocalfilemonitor.c Port the inotify backend to adjust to the changes above. None of the other backends are ported yet. Those will come in future commits.
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G_DEFINE_ABSTRACT_TYPE_WITH_PRIVATE (GFileMonitor, g_file_monitor, G_TYPE_OBJECT)
enum
{
PROP_0,
PROP_RATE_LIMIT,
substantially rework file monitors Remove all event merging and dispatch logic from GFileMonitor. The only implementation of GFileMonitor outside of glib is in gvfs and it already does these things properly. Get rid of GLocalDirectoryMonitor. We will use a single class, GLocalFileMonitor, for both directory and file monitoring. This will prevent every single backend from having to create two objects separately (eg: ginotifydirectorymonitor.c and ginotifyfilemonitor.c). Introduce GFileMonitorSource as a thread-safe cross-context dispatch mechanism. Put it in GLocalFileMonitor. All backends will be expected to dispatch via the source and not touch the GFileMonitor object at all from the worker thread. Remove all construct properties from GLocalFileMonitor and remove the "context" construct property from GFileMonitor. All backends must now get the information about what file to monitor from the ->start() call which is mandatory to implement. Remove the implementation of rate limiting in GFileMonitor and add an implementation in GLocalFileMonitor. gvfs never did anything with this anyway, but if it wanted to, it would have to implement it for itself. This was done in order to get the rate_limit field into the GFileMonitorSource so that it could be safely accessed from the worker thread. Expose g_local_file_is_remote() internally for NFS detection. With the "is_remote" functionality exposed, we can now move all functions for creating local file monitors to a proper location in glocalfilemonitor.c Port the inotify backend to adjust to the changes above. None of the other backends are ported yet. Those will come in future commits.
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PROP_CANCELLED
};
substantially rework file monitors Remove all event merging and dispatch logic from GFileMonitor. The only implementation of GFileMonitor outside of glib is in gvfs and it already does these things properly. Get rid of GLocalDirectoryMonitor. We will use a single class, GLocalFileMonitor, for both directory and file monitoring. This will prevent every single backend from having to create two objects separately (eg: ginotifydirectorymonitor.c and ginotifyfilemonitor.c). Introduce GFileMonitorSource as a thread-safe cross-context dispatch mechanism. Put it in GLocalFileMonitor. All backends will be expected to dispatch via the source and not touch the GFileMonitor object at all from the worker thread. Remove all construct properties from GLocalFileMonitor and remove the "context" construct property from GFileMonitor. All backends must now get the information about what file to monitor from the ->start() call which is mandatory to implement. Remove the implementation of rate limiting in GFileMonitor and add an implementation in GLocalFileMonitor. gvfs never did anything with this anyway, but if it wanted to, it would have to implement it for itself. This was done in order to get the rate_limit field into the GFileMonitorSource so that it could be safely accessed from the worker thread. Expose g_local_file_is_remote() internally for NFS detection. With the "is_remote" functionality exposed, we can now move all functions for creating local file monitors to a proper location in glocalfilemonitor.c Port the inotify backend to adjust to the changes above. None of the other backends are ported yet. Those will come in future commits.
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static guint g_file_monitor_changed_signal;
static void
g_file_monitor_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
substantially rework file monitors Remove all event merging and dispatch logic from GFileMonitor. The only implementation of GFileMonitor outside of glib is in gvfs and it already does these things properly. Get rid of GLocalDirectoryMonitor. We will use a single class, GLocalFileMonitor, for both directory and file monitoring. This will prevent every single backend from having to create two objects separately (eg: ginotifydirectorymonitor.c and ginotifyfilemonitor.c). Introduce GFileMonitorSource as a thread-safe cross-context dispatch mechanism. Put it in GLocalFileMonitor. All backends will be expected to dispatch via the source and not touch the GFileMonitor object at all from the worker thread. Remove all construct properties from GLocalFileMonitor and remove the "context" construct property from GFileMonitor. All backends must now get the information about what file to monitor from the ->start() call which is mandatory to implement. Remove the implementation of rate limiting in GFileMonitor and add an implementation in GLocalFileMonitor. gvfs never did anything with this anyway, but if it wanted to, it would have to implement it for itself. This was done in order to get the rate_limit field into the GFileMonitorSource so that it could be safely accessed from the worker thread. Expose g_local_file_is_remote() internally for NFS detection. With the "is_remote" functionality exposed, we can now move all functions for creating local file monitors to a proper location in glocalfilemonitor.c Port the inotify backend to adjust to the changes above. None of the other backends are ported yet. Those will come in future commits.
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//GFileMonitor *monitor;
substantially rework file monitors Remove all event merging and dispatch logic from GFileMonitor. The only implementation of GFileMonitor outside of glib is in gvfs and it already does these things properly. Get rid of GLocalDirectoryMonitor. We will use a single class, GLocalFileMonitor, for both directory and file monitoring. This will prevent every single backend from having to create two objects separately (eg: ginotifydirectorymonitor.c and ginotifyfilemonitor.c). Introduce GFileMonitorSource as a thread-safe cross-context dispatch mechanism. Put it in GLocalFileMonitor. All backends will be expected to dispatch via the source and not touch the GFileMonitor object at all from the worker thread. Remove all construct properties from GLocalFileMonitor and remove the "context" construct property from GFileMonitor. All backends must now get the information about what file to monitor from the ->start() call which is mandatory to implement. Remove the implementation of rate limiting in GFileMonitor and add an implementation in GLocalFileMonitor. gvfs never did anything with this anyway, but if it wanted to, it would have to implement it for itself. This was done in order to get the rate_limit field into the GFileMonitorSource so that it could be safely accessed from the worker thread. Expose g_local_file_is_remote() internally for NFS detection. With the "is_remote" functionality exposed, we can now move all functions for creating local file monitors to a proper location in glocalfilemonitor.c Port the inotify backend to adjust to the changes above. None of the other backends are ported yet. Those will come in future commits.
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//monitor = G_FILE_MONITOR (object);
switch (prop_id)
{
case PROP_RATE_LIMIT:
substantially rework file monitors Remove all event merging and dispatch logic from GFileMonitor. The only implementation of GFileMonitor outside of glib is in gvfs and it already does these things properly. Get rid of GLocalDirectoryMonitor. We will use a single class, GLocalFileMonitor, for both directory and file monitoring. This will prevent every single backend from having to create two objects separately (eg: ginotifydirectorymonitor.c and ginotifyfilemonitor.c). Introduce GFileMonitorSource as a thread-safe cross-context dispatch mechanism. Put it in GLocalFileMonitor. All backends will be expected to dispatch via the source and not touch the GFileMonitor object at all from the worker thread. Remove all construct properties from GLocalFileMonitor and remove the "context" construct property from GFileMonitor. All backends must now get the information about what file to monitor from the ->start() call which is mandatory to implement. Remove the implementation of rate limiting in GFileMonitor and add an implementation in GLocalFileMonitor. gvfs never did anything with this anyway, but if it wanted to, it would have to implement it for itself. This was done in order to get the rate_limit field into the GFileMonitorSource so that it could be safely accessed from the worker thread. Expose g_local_file_is_remote() internally for NFS detection. With the "is_remote" functionality exposed, we can now move all functions for creating local file monitors to a proper location in glocalfilemonitor.c Port the inotify backend to adjust to the changes above. None of the other backends are ported yet. Those will come in future commits.
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/* not supported by default */
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
g_file_monitor_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
switch (prop_id)
{
case PROP_RATE_LIMIT:
substantially rework file monitors Remove all event merging and dispatch logic from GFileMonitor. The only implementation of GFileMonitor outside of glib is in gvfs and it already does these things properly. Get rid of GLocalDirectoryMonitor. We will use a single class, GLocalFileMonitor, for both directory and file monitoring. This will prevent every single backend from having to create two objects separately (eg: ginotifydirectorymonitor.c and ginotifyfilemonitor.c). Introduce GFileMonitorSource as a thread-safe cross-context dispatch mechanism. Put it in GLocalFileMonitor. All backends will be expected to dispatch via the source and not touch the GFileMonitor object at all from the worker thread. Remove all construct properties from GLocalFileMonitor and remove the "context" construct property from GFileMonitor. All backends must now get the information about what file to monitor from the ->start() call which is mandatory to implement. Remove the implementation of rate limiting in GFileMonitor and add an implementation in GLocalFileMonitor. gvfs never did anything with this anyway, but if it wanted to, it would have to implement it for itself. This was done in order to get the rate_limit field into the GFileMonitorSource so that it could be safely accessed from the worker thread. Expose g_local_file_is_remote() internally for NFS detection. With the "is_remote" functionality exposed, we can now move all functions for creating local file monitors to a proper location in glocalfilemonitor.c Port the inotify backend to adjust to the changes above. None of the other backends are ported yet. Those will come in future commits.
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/* we expect this to be overridden... */
g_value_set_int (value, DEFAULT_RATE_LIMIT_MSECS);
break;
case PROP_CANCELLED:
substantially rework file monitors Remove all event merging and dispatch logic from GFileMonitor. The only implementation of GFileMonitor outside of glib is in gvfs and it already does these things properly. Get rid of GLocalDirectoryMonitor. We will use a single class, GLocalFileMonitor, for both directory and file monitoring. This will prevent every single backend from having to create two objects separately (eg: ginotifydirectorymonitor.c and ginotifyfilemonitor.c). Introduce GFileMonitorSource as a thread-safe cross-context dispatch mechanism. Put it in GLocalFileMonitor. All backends will be expected to dispatch via the source and not touch the GFileMonitor object at all from the worker thread. Remove all construct properties from GLocalFileMonitor and remove the "context" construct property from GFileMonitor. All backends must now get the information about what file to monitor from the ->start() call which is mandatory to implement. Remove the implementation of rate limiting in GFileMonitor and add an implementation in GLocalFileMonitor. gvfs never did anything with this anyway, but if it wanted to, it would have to implement it for itself. This was done in order to get the rate_limit field into the GFileMonitorSource so that it could be safely accessed from the worker thread. Expose g_local_file_is_remote() internally for NFS detection. With the "is_remote" functionality exposed, we can now move all functions for creating local file monitors to a proper location in glocalfilemonitor.c Port the inotify backend to adjust to the changes above. None of the other backends are ported yet. Those will come in future commits.
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//g_mutex_lock (&fms->lock);
g_value_set_boolean (value, FALSE);//fms->cancelled);
//g_mutex_unlock (&fms->lock);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
g_file_monitor_dispose (GObject *object)
{
substantially rework file monitors Remove all event merging and dispatch logic from GFileMonitor. The only implementation of GFileMonitor outside of glib is in gvfs and it already does these things properly. Get rid of GLocalDirectoryMonitor. We will use a single class, GLocalFileMonitor, for both directory and file monitoring. This will prevent every single backend from having to create two objects separately (eg: ginotifydirectorymonitor.c and ginotifyfilemonitor.c). Introduce GFileMonitorSource as a thread-safe cross-context dispatch mechanism. Put it in GLocalFileMonitor. All backends will be expected to dispatch via the source and not touch the GFileMonitor object at all from the worker thread. Remove all construct properties from GLocalFileMonitor and remove the "context" construct property from GFileMonitor. All backends must now get the information about what file to monitor from the ->start() call which is mandatory to implement. Remove the implementation of rate limiting in GFileMonitor and add an implementation in GLocalFileMonitor. gvfs never did anything with this anyway, but if it wanted to, it would have to implement it for itself. This was done in order to get the rate_limit field into the GFileMonitorSource so that it could be safely accessed from the worker thread. Expose g_local_file_is_remote() internally for NFS detection. With the "is_remote" functionality exposed, we can now move all functions for creating local file monitors to a proper location in glocalfilemonitor.c Port the inotify backend to adjust to the changes above. None of the other backends are ported yet. Those will come in future commits.
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GFileMonitor *monitor = G_FILE_MONITOR (object);
/* Make sure we cancel on last unref */
g_file_monitor_cancel (monitor);
G_OBJECT_CLASS (g_file_monitor_parent_class)->dispose (object);
}
substantially rework file monitors Remove all event merging and dispatch logic from GFileMonitor. The only implementation of GFileMonitor outside of glib is in gvfs and it already does these things properly. Get rid of GLocalDirectoryMonitor. We will use a single class, GLocalFileMonitor, for both directory and file monitoring. This will prevent every single backend from having to create two objects separately (eg: ginotifydirectorymonitor.c and ginotifyfilemonitor.c). Introduce GFileMonitorSource as a thread-safe cross-context dispatch mechanism. Put it in GLocalFileMonitor. All backends will be expected to dispatch via the source and not touch the GFileMonitor object at all from the worker thread. Remove all construct properties from GLocalFileMonitor and remove the "context" construct property from GFileMonitor. All backends must now get the information about what file to monitor from the ->start() call which is mandatory to implement. Remove the implementation of rate limiting in GFileMonitor and add an implementation in GLocalFileMonitor. gvfs never did anything with this anyway, but if it wanted to, it would have to implement it for itself. This was done in order to get the rate_limit field into the GFileMonitorSource so that it could be safely accessed from the worker thread. Expose g_local_file_is_remote() internally for NFS detection. With the "is_remote" functionality exposed, we can now move all functions for creating local file monitors to a proper location in glocalfilemonitor.c Port the inotify backend to adjust to the changes above. None of the other backends are ported yet. Those will come in future commits.
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static void
g_file_monitor_init (GFileMonitor *monitor)
{
monitor->priv = g_file_monitor_get_instance_private (monitor);
}
static void
g_file_monitor_class_init (GFileMonitorClass *klass)
{
GObjectClass *object_class;
object_class = G_OBJECT_CLASS (klass);
object_class->dispose = g_file_monitor_dispose;
object_class->get_property = g_file_monitor_get_property;
object_class->set_property = g_file_monitor_set_property;
/**
* GFileMonitor::changed:
* @monitor: a #GFileMonitor.
* @file: a #GFile.
* @other_file: (nullable): a #GFile or #NULL.
* @event_type: a #GFileMonitorEvent.
*
* Emitted when @file has been changed.
*
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* If using %G_FILE_MONITOR_WATCH_MOVES on a directory monitor, and
substantially rework file monitors Remove all event merging and dispatch logic from GFileMonitor. The only implementation of GFileMonitor outside of glib is in gvfs and it already does these things properly. Get rid of GLocalDirectoryMonitor. We will use a single class, GLocalFileMonitor, for both directory and file monitoring. This will prevent every single backend from having to create two objects separately (eg: ginotifydirectorymonitor.c and ginotifyfilemonitor.c). Introduce GFileMonitorSource as a thread-safe cross-context dispatch mechanism. Put it in GLocalFileMonitor. All backends will be expected to dispatch via the source and not touch the GFileMonitor object at all from the worker thread. Remove all construct properties from GLocalFileMonitor and remove the "context" construct property from GFileMonitor. All backends must now get the information about what file to monitor from the ->start() call which is mandatory to implement. Remove the implementation of rate limiting in GFileMonitor and add an implementation in GLocalFileMonitor. gvfs never did anything with this anyway, but if it wanted to, it would have to implement it for itself. This was done in order to get the rate_limit field into the GFileMonitorSource so that it could be safely accessed from the worker thread. Expose g_local_file_is_remote() internally for NFS detection. With the "is_remote" functionality exposed, we can now move all functions for creating local file monitors to a proper location in glocalfilemonitor.c Port the inotify backend to adjust to the changes above. None of the other backends are ported yet. Those will come in future commits.
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* the information is available (and if supported by the backend),
* @event_type may be %G_FILE_MONITOR_EVENT_RENAMED,
* %G_FILE_MONITOR_EVENT_MOVED_IN or %G_FILE_MONITOR_EVENT_MOVED_OUT.
*
* In all cases @file will be a child of the monitored directory. For
* renames, @file will be the old name and @other_file is the new
* name. For "moved in" events, @file is the name of the file that
* appeared and @other_file is the old name that it was moved from (in
* another directory). For "moved out" events, @file is the name of
* the file that used to be in this directory and @other_file is the
* name of the file at its new location.
*
* It makes sense to treat %G_FILE_MONITOR_EVENT_MOVED_IN as
* equivalent to %G_FILE_MONITOR_EVENT_CREATED and
* %G_FILE_MONITOR_EVENT_MOVED_OUT as equivalent to
* %G_FILE_MONITOR_EVENT_DELETED, with extra information.
* %G_FILE_MONITOR_EVENT_RENAMED is equivalent to a delete/create
* pair. This is exactly how the events will be reported in the case
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* that the %G_FILE_MONITOR_WATCH_MOVES flag is not in use.
substantially rework file monitors Remove all event merging and dispatch logic from GFileMonitor. The only implementation of GFileMonitor outside of glib is in gvfs and it already does these things properly. Get rid of GLocalDirectoryMonitor. We will use a single class, GLocalFileMonitor, for both directory and file monitoring. This will prevent every single backend from having to create two objects separately (eg: ginotifydirectorymonitor.c and ginotifyfilemonitor.c). Introduce GFileMonitorSource as a thread-safe cross-context dispatch mechanism. Put it in GLocalFileMonitor. All backends will be expected to dispatch via the source and not touch the GFileMonitor object at all from the worker thread. Remove all construct properties from GLocalFileMonitor and remove the "context" construct property from GFileMonitor. All backends must now get the information about what file to monitor from the ->start() call which is mandatory to implement. Remove the implementation of rate limiting in GFileMonitor and add an implementation in GLocalFileMonitor. gvfs never did anything with this anyway, but if it wanted to, it would have to implement it for itself. This was done in order to get the rate_limit field into the GFileMonitorSource so that it could be safely accessed from the worker thread. Expose g_local_file_is_remote() internally for NFS detection. With the "is_remote" functionality exposed, we can now move all functions for creating local file monitors to a proper location in glocalfilemonitor.c Port the inotify backend to adjust to the changes above. None of the other backends are ported yet. Those will come in future commits.
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*
* If using the deprecated flag %G_FILE_MONITOR_SEND_MOVED flag and @event_type is
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* #G_FILE_MONITOR_EVENT_MOVED, @file will be set to a #GFile containing the
* old path, and @other_file will be set to a #GFile containing the new path.
*
* In all the other cases, @other_file will be set to #NULL.
**/
substantially rework file monitors Remove all event merging and dispatch logic from GFileMonitor. The only implementation of GFileMonitor outside of glib is in gvfs and it already does these things properly. Get rid of GLocalDirectoryMonitor. We will use a single class, GLocalFileMonitor, for both directory and file monitoring. This will prevent every single backend from having to create two objects separately (eg: ginotifydirectorymonitor.c and ginotifyfilemonitor.c). Introduce GFileMonitorSource as a thread-safe cross-context dispatch mechanism. Put it in GLocalFileMonitor. All backends will be expected to dispatch via the source and not touch the GFileMonitor object at all from the worker thread. Remove all construct properties from GLocalFileMonitor and remove the "context" construct property from GFileMonitor. All backends must now get the information about what file to monitor from the ->start() call which is mandatory to implement. Remove the implementation of rate limiting in GFileMonitor and add an implementation in GLocalFileMonitor. gvfs never did anything with this anyway, but if it wanted to, it would have to implement it for itself. This was done in order to get the rate_limit field into the GFileMonitorSource so that it could be safely accessed from the worker thread. Expose g_local_file_is_remote() internally for NFS detection. With the "is_remote" functionality exposed, we can now move all functions for creating local file monitors to a proper location in glocalfilemonitor.c Port the inotify backend to adjust to the changes above. None of the other backends are ported yet. Those will come in future commits.
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g_file_monitor_changed_signal = g_signal_new (I_("changed"),
G_TYPE_FILE_MONITOR,
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GFileMonitorClass, changed),
NULL, NULL,
NULL,
G_TYPE_NONE, 3,
G_TYPE_FILE, G_TYPE_FILE, G_TYPE_FILE_MONITOR_EVENT);
g_object_class_install_property (object_class, PROP_RATE_LIMIT,
g_param_spec_int ("rate-limit",
P_("Rate limit"),
P_("The limit of the monitor to watch for changes, in milliseconds"),
substantially rework file monitors Remove all event merging and dispatch logic from GFileMonitor. The only implementation of GFileMonitor outside of glib is in gvfs and it already does these things properly. Get rid of GLocalDirectoryMonitor. We will use a single class, GLocalFileMonitor, for both directory and file monitoring. This will prevent every single backend from having to create two objects separately (eg: ginotifydirectorymonitor.c and ginotifyfilemonitor.c). Introduce GFileMonitorSource as a thread-safe cross-context dispatch mechanism. Put it in GLocalFileMonitor. All backends will be expected to dispatch via the source and not touch the GFileMonitor object at all from the worker thread. Remove all construct properties from GLocalFileMonitor and remove the "context" construct property from GFileMonitor. All backends must now get the information about what file to monitor from the ->start() call which is mandatory to implement. Remove the implementation of rate limiting in GFileMonitor and add an implementation in GLocalFileMonitor. gvfs never did anything with this anyway, but if it wanted to, it would have to implement it for itself. This was done in order to get the rate_limit field into the GFileMonitorSource so that it could be safely accessed from the worker thread. Expose g_local_file_is_remote() internally for NFS detection. With the "is_remote" functionality exposed, we can now move all functions for creating local file monitors to a proper location in glocalfilemonitor.c Port the inotify backend to adjust to the changes above. None of the other backends are ported yet. Those will come in future commits.
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0, G_MAXINT, DEFAULT_RATE_LIMIT_MSECS, G_PARAM_READWRITE |
G_PARAM_EXPLICIT_NOTIFY | G_PARAM_STATIC_STRINGS));
substantially rework file monitors Remove all event merging and dispatch logic from GFileMonitor. The only implementation of GFileMonitor outside of glib is in gvfs and it already does these things properly. Get rid of GLocalDirectoryMonitor. We will use a single class, GLocalFileMonitor, for both directory and file monitoring. This will prevent every single backend from having to create two objects separately (eg: ginotifydirectorymonitor.c and ginotifyfilemonitor.c). Introduce GFileMonitorSource as a thread-safe cross-context dispatch mechanism. Put it in GLocalFileMonitor. All backends will be expected to dispatch via the source and not touch the GFileMonitor object at all from the worker thread. Remove all construct properties from GLocalFileMonitor and remove the "context" construct property from GFileMonitor. All backends must now get the information about what file to monitor from the ->start() call which is mandatory to implement. Remove the implementation of rate limiting in GFileMonitor and add an implementation in GLocalFileMonitor. gvfs never did anything with this anyway, but if it wanted to, it would have to implement it for itself. This was done in order to get the rate_limit field into the GFileMonitorSource so that it could be safely accessed from the worker thread. Expose g_local_file_is_remote() internally for NFS detection. With the "is_remote" functionality exposed, we can now move all functions for creating local file monitors to a proper location in glocalfilemonitor.c Port the inotify backend to adjust to the changes above. None of the other backends are ported yet. Those will come in future commits.
2015-01-12 20:59:35 +01:00
g_object_class_install_property (object_class, PROP_CANCELLED,
g_param_spec_boolean ("cancelled",
P_("Cancelled"),
P_("Whether the monitor has been cancelled"),
substantially rework file monitors Remove all event merging and dispatch logic from GFileMonitor. The only implementation of GFileMonitor outside of glib is in gvfs and it already does these things properly. Get rid of GLocalDirectoryMonitor. We will use a single class, GLocalFileMonitor, for both directory and file monitoring. This will prevent every single backend from having to create two objects separately (eg: ginotifydirectorymonitor.c and ginotifyfilemonitor.c). Introduce GFileMonitorSource as a thread-safe cross-context dispatch mechanism. Put it in GLocalFileMonitor. All backends will be expected to dispatch via the source and not touch the GFileMonitor object at all from the worker thread. Remove all construct properties from GLocalFileMonitor and remove the "context" construct property from GFileMonitor. All backends must now get the information about what file to monitor from the ->start() call which is mandatory to implement. Remove the implementation of rate limiting in GFileMonitor and add an implementation in GLocalFileMonitor. gvfs never did anything with this anyway, but if it wanted to, it would have to implement it for itself. This was done in order to get the rate_limit field into the GFileMonitorSource so that it could be safely accessed from the worker thread. Expose g_local_file_is_remote() internally for NFS detection. With the "is_remote" functionality exposed, we can now move all functions for creating local file monitors to a proper location in glocalfilemonitor.c Port the inotify backend to adjust to the changes above. None of the other backends are ported yet. Those will come in future commits.
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FALSE, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
}
/**
* g_file_monitor_is_cancelled:
* @monitor: a #GFileMonitor
*
* Returns whether the monitor is canceled.
*
* Returns: %TRUE if monitor is canceled. %FALSE otherwise.
**/
gboolean
g_file_monitor_is_cancelled (GFileMonitor *monitor)
{
gboolean res;
g_return_val_if_fail (G_IS_FILE_MONITOR (monitor), FALSE);
res = monitor->priv->cancelled;
substantially rework file monitors Remove all event merging and dispatch logic from GFileMonitor. The only implementation of GFileMonitor outside of glib is in gvfs and it already does these things properly. Get rid of GLocalDirectoryMonitor. We will use a single class, GLocalFileMonitor, for both directory and file monitoring. This will prevent every single backend from having to create two objects separately (eg: ginotifydirectorymonitor.c and ginotifyfilemonitor.c). Introduce GFileMonitorSource as a thread-safe cross-context dispatch mechanism. Put it in GLocalFileMonitor. All backends will be expected to dispatch via the source and not touch the GFileMonitor object at all from the worker thread. Remove all construct properties from GLocalFileMonitor and remove the "context" construct property from GFileMonitor. All backends must now get the information about what file to monitor from the ->start() call which is mandatory to implement. Remove the implementation of rate limiting in GFileMonitor and add an implementation in GLocalFileMonitor. gvfs never did anything with this anyway, but if it wanted to, it would have to implement it for itself. This was done in order to get the rate_limit field into the GFileMonitorSource so that it could be safely accessed from the worker thread. Expose g_local_file_is_remote() internally for NFS detection. With the "is_remote" functionality exposed, we can now move all functions for creating local file monitors to a proper location in glocalfilemonitor.c Port the inotify backend to adjust to the changes above. None of the other backends are ported yet. Those will come in future commits.
2015-01-12 20:59:35 +01:00
return res;
}
/**
* g_file_monitor_cancel:
* @monitor: a #GFileMonitor.
substantially rework file monitors Remove all event merging and dispatch logic from GFileMonitor. The only implementation of GFileMonitor outside of glib is in gvfs and it already does these things properly. Get rid of GLocalDirectoryMonitor. We will use a single class, GLocalFileMonitor, for both directory and file monitoring. This will prevent every single backend from having to create two objects separately (eg: ginotifydirectorymonitor.c and ginotifyfilemonitor.c). Introduce GFileMonitorSource as a thread-safe cross-context dispatch mechanism. Put it in GLocalFileMonitor. All backends will be expected to dispatch via the source and not touch the GFileMonitor object at all from the worker thread. Remove all construct properties from GLocalFileMonitor and remove the "context" construct property from GFileMonitor. All backends must now get the information about what file to monitor from the ->start() call which is mandatory to implement. Remove the implementation of rate limiting in GFileMonitor and add an implementation in GLocalFileMonitor. gvfs never did anything with this anyway, but if it wanted to, it would have to implement it for itself. This was done in order to get the rate_limit field into the GFileMonitorSource so that it could be safely accessed from the worker thread. Expose g_local_file_is_remote() internally for NFS detection. With the "is_remote" functionality exposed, we can now move all functions for creating local file monitors to a proper location in glocalfilemonitor.c Port the inotify backend to adjust to the changes above. None of the other backends are ported yet. Those will come in future commits.
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*
* Cancels a file monitor.
substantially rework file monitors Remove all event merging and dispatch logic from GFileMonitor. The only implementation of GFileMonitor outside of glib is in gvfs and it already does these things properly. Get rid of GLocalDirectoryMonitor. We will use a single class, GLocalFileMonitor, for both directory and file monitoring. This will prevent every single backend from having to create two objects separately (eg: ginotifydirectorymonitor.c and ginotifyfilemonitor.c). Introduce GFileMonitorSource as a thread-safe cross-context dispatch mechanism. Put it in GLocalFileMonitor. All backends will be expected to dispatch via the source and not touch the GFileMonitor object at all from the worker thread. Remove all construct properties from GLocalFileMonitor and remove the "context" construct property from GFileMonitor. All backends must now get the information about what file to monitor from the ->start() call which is mandatory to implement. Remove the implementation of rate limiting in GFileMonitor and add an implementation in GLocalFileMonitor. gvfs never did anything with this anyway, but if it wanted to, it would have to implement it for itself. This was done in order to get the rate_limit field into the GFileMonitorSource so that it could be safely accessed from the worker thread. Expose g_local_file_is_remote() internally for NFS detection. With the "is_remote" functionality exposed, we can now move all functions for creating local file monitors to a proper location in glocalfilemonitor.c Port the inotify backend to adjust to the changes above. None of the other backends are ported yet. Those will come in future commits.
2015-01-12 20:59:35 +01:00
*
* Returns: always %TRUE
**/
gboolean
substantially rework file monitors Remove all event merging and dispatch logic from GFileMonitor. The only implementation of GFileMonitor outside of glib is in gvfs and it already does these things properly. Get rid of GLocalDirectoryMonitor. We will use a single class, GLocalFileMonitor, for both directory and file monitoring. This will prevent every single backend from having to create two objects separately (eg: ginotifydirectorymonitor.c and ginotifyfilemonitor.c). Introduce GFileMonitorSource as a thread-safe cross-context dispatch mechanism. Put it in GLocalFileMonitor. All backends will be expected to dispatch via the source and not touch the GFileMonitor object at all from the worker thread. Remove all construct properties from GLocalFileMonitor and remove the "context" construct property from GFileMonitor. All backends must now get the information about what file to monitor from the ->start() call which is mandatory to implement. Remove the implementation of rate limiting in GFileMonitor and add an implementation in GLocalFileMonitor. gvfs never did anything with this anyway, but if it wanted to, it would have to implement it for itself. This was done in order to get the rate_limit field into the GFileMonitorSource so that it could be safely accessed from the worker thread. Expose g_local_file_is_remote() internally for NFS detection. With the "is_remote" functionality exposed, we can now move all functions for creating local file monitors to a proper location in glocalfilemonitor.c Port the inotify backend to adjust to the changes above. None of the other backends are ported yet. Those will come in future commits.
2015-01-12 20:59:35 +01:00
g_file_monitor_cancel (GFileMonitor *monitor)
{
g_return_val_if_fail (G_IS_FILE_MONITOR (monitor), FALSE);
substantially rework file monitors Remove all event merging and dispatch logic from GFileMonitor. The only implementation of GFileMonitor outside of glib is in gvfs and it already does these things properly. Get rid of GLocalDirectoryMonitor. We will use a single class, GLocalFileMonitor, for both directory and file monitoring. This will prevent every single backend from having to create two objects separately (eg: ginotifydirectorymonitor.c and ginotifyfilemonitor.c). Introduce GFileMonitorSource as a thread-safe cross-context dispatch mechanism. Put it in GLocalFileMonitor. All backends will be expected to dispatch via the source and not touch the GFileMonitor object at all from the worker thread. Remove all construct properties from GLocalFileMonitor and remove the "context" construct property from GFileMonitor. All backends must now get the information about what file to monitor from the ->start() call which is mandatory to implement. Remove the implementation of rate limiting in GFileMonitor and add an implementation in GLocalFileMonitor. gvfs never did anything with this anyway, but if it wanted to, it would have to implement it for itself. This was done in order to get the rate_limit field into the GFileMonitorSource so that it could be safely accessed from the worker thread. Expose g_local_file_is_remote() internally for NFS detection. With the "is_remote" functionality exposed, we can now move all functions for creating local file monitors to a proper location in glocalfilemonitor.c Port the inotify backend to adjust to the changes above. None of the other backends are ported yet. Those will come in future commits.
2015-01-12 20:59:35 +01:00
if (!monitor->priv->cancelled)
{
substantially rework file monitors Remove all event merging and dispatch logic from GFileMonitor. The only implementation of GFileMonitor outside of glib is in gvfs and it already does these things properly. Get rid of GLocalDirectoryMonitor. We will use a single class, GLocalFileMonitor, for both directory and file monitoring. This will prevent every single backend from having to create two objects separately (eg: ginotifydirectorymonitor.c and ginotifyfilemonitor.c). Introduce GFileMonitorSource as a thread-safe cross-context dispatch mechanism. Put it in GLocalFileMonitor. All backends will be expected to dispatch via the source and not touch the GFileMonitor object at all from the worker thread. Remove all construct properties from GLocalFileMonitor and remove the "context" construct property from GFileMonitor. All backends must now get the information about what file to monitor from the ->start() call which is mandatory to implement. Remove the implementation of rate limiting in GFileMonitor and add an implementation in GLocalFileMonitor. gvfs never did anything with this anyway, but if it wanted to, it would have to implement it for itself. This was done in order to get the rate_limit field into the GFileMonitorSource so that it could be safely accessed from the worker thread. Expose g_local_file_is_remote() internally for NFS detection. With the "is_remote" functionality exposed, we can now move all functions for creating local file monitors to a proper location in glocalfilemonitor.c Port the inotify backend to adjust to the changes above. None of the other backends are ported yet. Those will come in future commits.
2015-01-12 20:59:35 +01:00
G_FILE_MONITOR_GET_CLASS (monitor)->cancel (monitor);
monitor->priv->cancelled = TRUE;
g_object_notify (G_OBJECT (monitor), "cancelled");
}
substantially rework file monitors Remove all event merging and dispatch logic from GFileMonitor. The only implementation of GFileMonitor outside of glib is in gvfs and it already does these things properly. Get rid of GLocalDirectoryMonitor. We will use a single class, GLocalFileMonitor, for both directory and file monitoring. This will prevent every single backend from having to create two objects separately (eg: ginotifydirectorymonitor.c and ginotifyfilemonitor.c). Introduce GFileMonitorSource as a thread-safe cross-context dispatch mechanism. Put it in GLocalFileMonitor. All backends will be expected to dispatch via the source and not touch the GFileMonitor object at all from the worker thread. Remove all construct properties from GLocalFileMonitor and remove the "context" construct property from GFileMonitor. All backends must now get the information about what file to monitor from the ->start() call which is mandatory to implement. Remove the implementation of rate limiting in GFileMonitor and add an implementation in GLocalFileMonitor. gvfs never did anything with this anyway, but if it wanted to, it would have to implement it for itself. This was done in order to get the rate_limit field into the GFileMonitorSource so that it could be safely accessed from the worker thread. Expose g_local_file_is_remote() internally for NFS detection. With the "is_remote" functionality exposed, we can now move all functions for creating local file monitors to a proper location in glocalfilemonitor.c Port the inotify backend to adjust to the changes above. None of the other backends are ported yet. Those will come in future commits.
2015-01-12 20:59:35 +01:00
return TRUE;
}
/**
* g_file_monitor_set_rate_limit:
* @monitor: a #GFileMonitor.
* @limit_msecs: a non-negative integer with the limit in milliseconds
* to poll for changes
*
* Sets the rate limit to which the @monitor will report
* consecutive change events to the same file.
*/
void
g_file_monitor_set_rate_limit (GFileMonitor *monitor,
gint limit_msecs)
{
substantially rework file monitors Remove all event merging and dispatch logic from GFileMonitor. The only implementation of GFileMonitor outside of glib is in gvfs and it already does these things properly. Get rid of GLocalDirectoryMonitor. We will use a single class, GLocalFileMonitor, for both directory and file monitoring. This will prevent every single backend from having to create two objects separately (eg: ginotifydirectorymonitor.c and ginotifyfilemonitor.c). Introduce GFileMonitorSource as a thread-safe cross-context dispatch mechanism. Put it in GLocalFileMonitor. All backends will be expected to dispatch via the source and not touch the GFileMonitor object at all from the worker thread. Remove all construct properties from GLocalFileMonitor and remove the "context" construct property from GFileMonitor. All backends must now get the information about what file to monitor from the ->start() call which is mandatory to implement. Remove the implementation of rate limiting in GFileMonitor and add an implementation in GLocalFileMonitor. gvfs never did anything with this anyway, but if it wanted to, it would have to implement it for itself. This was done in order to get the rate_limit field into the GFileMonitorSource so that it could be safely accessed from the worker thread. Expose g_local_file_is_remote() internally for NFS detection. With the "is_remote" functionality exposed, we can now move all functions for creating local file monitors to a proper location in glocalfilemonitor.c Port the inotify backend to adjust to the changes above. None of the other backends are ported yet. Those will come in future commits.
2015-01-12 20:59:35 +01:00
g_object_set (monitor, "rate-limit", limit_msecs, NULL);
}
/**
* g_file_monitor_emit_event:
* @monitor: a #GFileMonitor.
* @child: a #GFile.
* @other_file: a #GFile.
* @event_type: a set of #GFileMonitorEvent flags.
*
* Emits the #GFileMonitor::changed signal if a change
* has taken place. Should be called from file monitor
* implementations only.
*
* Implementations are responsible to call this method from the
* [thread-default main context][g-main-context-push-thread-default] of the
* thread that the monitor was created in.
**/
void
g_file_monitor_emit_event (GFileMonitor *monitor,
substantially rework file monitors Remove all event merging and dispatch logic from GFileMonitor. The only implementation of GFileMonitor outside of glib is in gvfs and it already does these things properly. Get rid of GLocalDirectoryMonitor. We will use a single class, GLocalFileMonitor, for both directory and file monitoring. This will prevent every single backend from having to create two objects separately (eg: ginotifydirectorymonitor.c and ginotifyfilemonitor.c). Introduce GFileMonitorSource as a thread-safe cross-context dispatch mechanism. Put it in GLocalFileMonitor. All backends will be expected to dispatch via the source and not touch the GFileMonitor object at all from the worker thread. Remove all construct properties from GLocalFileMonitor and remove the "context" construct property from GFileMonitor. All backends must now get the information about what file to monitor from the ->start() call which is mandatory to implement. Remove the implementation of rate limiting in GFileMonitor and add an implementation in GLocalFileMonitor. gvfs never did anything with this anyway, but if it wanted to, it would have to implement it for itself. This was done in order to get the rate_limit field into the GFileMonitorSource so that it could be safely accessed from the worker thread. Expose g_local_file_is_remote() internally for NFS detection. With the "is_remote" functionality exposed, we can now move all functions for creating local file monitors to a proper location in glocalfilemonitor.c Port the inotify backend to adjust to the changes above. None of the other backends are ported yet. Those will come in future commits.
2015-01-12 20:59:35 +01:00
GFile *child,
GFile *other_file,
GFileMonitorEvent event_type)
{
g_return_if_fail (G_IS_FILE_MONITOR (monitor));
g_return_if_fail (G_IS_FILE (child));
substantially rework file monitors Remove all event merging and dispatch logic from GFileMonitor. The only implementation of GFileMonitor outside of glib is in gvfs and it already does these things properly. Get rid of GLocalDirectoryMonitor. We will use a single class, GLocalFileMonitor, for both directory and file monitoring. This will prevent every single backend from having to create two objects separately (eg: ginotifydirectorymonitor.c and ginotifyfilemonitor.c). Introduce GFileMonitorSource as a thread-safe cross-context dispatch mechanism. Put it in GLocalFileMonitor. All backends will be expected to dispatch via the source and not touch the GFileMonitor object at all from the worker thread. Remove all construct properties from GLocalFileMonitor and remove the "context" construct property from GFileMonitor. All backends must now get the information about what file to monitor from the ->start() call which is mandatory to implement. Remove the implementation of rate limiting in GFileMonitor and add an implementation in GLocalFileMonitor. gvfs never did anything with this anyway, but if it wanted to, it would have to implement it for itself. This was done in order to get the rate_limit field into the GFileMonitorSource so that it could be safely accessed from the worker thread. Expose g_local_file_is_remote() internally for NFS detection. With the "is_remote" functionality exposed, we can now move all functions for creating local file monitors to a proper location in glocalfilemonitor.c Port the inotify backend to adjust to the changes above. None of the other backends are ported yet. Those will come in future commits.
2015-01-12 20:59:35 +01:00
g_return_if_fail (!other_file || G_IS_FILE (other_file));
substantially rework file monitors Remove all event merging and dispatch logic from GFileMonitor. The only implementation of GFileMonitor outside of glib is in gvfs and it already does these things properly. Get rid of GLocalDirectoryMonitor. We will use a single class, GLocalFileMonitor, for both directory and file monitoring. This will prevent every single backend from having to create two objects separately (eg: ginotifydirectorymonitor.c and ginotifyfilemonitor.c). Introduce GFileMonitorSource as a thread-safe cross-context dispatch mechanism. Put it in GLocalFileMonitor. All backends will be expected to dispatch via the source and not touch the GFileMonitor object at all from the worker thread. Remove all construct properties from GLocalFileMonitor and remove the "context" construct property from GFileMonitor. All backends must now get the information about what file to monitor from the ->start() call which is mandatory to implement. Remove the implementation of rate limiting in GFileMonitor and add an implementation in GLocalFileMonitor. gvfs never did anything with this anyway, but if it wanted to, it would have to implement it for itself. This was done in order to get the rate_limit field into the GFileMonitorSource so that it could be safely accessed from the worker thread. Expose g_local_file_is_remote() internally for NFS detection. With the "is_remote" functionality exposed, we can now move all functions for creating local file monitors to a proper location in glocalfilemonitor.c Port the inotify backend to adjust to the changes above. None of the other backends are ported yet. Those will come in future commits.
2015-01-12 20:59:35 +01:00
if (monitor->priv->cancelled)
return;
substantially rework file monitors Remove all event merging and dispatch logic from GFileMonitor. The only implementation of GFileMonitor outside of glib is in gvfs and it already does these things properly. Get rid of GLocalDirectoryMonitor. We will use a single class, GLocalFileMonitor, for both directory and file monitoring. This will prevent every single backend from having to create two objects separately (eg: ginotifydirectorymonitor.c and ginotifyfilemonitor.c). Introduce GFileMonitorSource as a thread-safe cross-context dispatch mechanism. Put it in GLocalFileMonitor. All backends will be expected to dispatch via the source and not touch the GFileMonitor object at all from the worker thread. Remove all construct properties from GLocalFileMonitor and remove the "context" construct property from GFileMonitor. All backends must now get the information about what file to monitor from the ->start() call which is mandatory to implement. Remove the implementation of rate limiting in GFileMonitor and add an implementation in GLocalFileMonitor. gvfs never did anything with this anyway, but if it wanted to, it would have to implement it for itself. This was done in order to get the rate_limit field into the GFileMonitorSource so that it could be safely accessed from the worker thread. Expose g_local_file_is_remote() internally for NFS detection. With the "is_remote" functionality exposed, we can now move all functions for creating local file monitors to a proper location in glocalfilemonitor.c Port the inotify backend to adjust to the changes above. None of the other backends are ported yet. Those will come in future commits.
2015-01-12 20:59:35 +01:00
g_signal_emit (monitor, g_file_monitor_changed_signal, 0, child, other_file, event_type);
}