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Fix return values for async methods

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Async methods should return "out" variables using dbus_g_method_return(),
not through function parameters. Fixes crashing using those functions.
This commit is contained in:
Bastien Nocera
2008-05-20 10:49:32 +01:00
committed by Daniel Drake
parent c63f624a26
commit 7f592dd2e4
2 changed files with 13 additions and 17 deletions
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28
src/device.c
View File

@ -36,9 +36,9 @@ static void fprint_device_claim(FprintDevice *rdev,
static void fprint_device_release(FprintDevice *rdev,
DBusGMethodInvocation *context);
static void fprint_device_list_enrolled_fingers(FprintDevice *rdev,
GArray **fingers, DBusGMethodInvocation *context);
DBusGMethodInvocation *context);
static void fprint_device_load_print_data(FprintDevice *rdev,
guint32 finger_num, guint32 *print_id, DBusGMethodInvocation *context);
guint32 finger_num, DBusGMethodInvocation *context);
static void fprint_device_unload_print_data(FprintDevice *rdev,
guint32 print_id, DBusGMethodInvocation *context);
static void fprint_device_verify_start(FprintDevice *rdev,
@ -52,9 +52,9 @@ static void fprint_device_enroll_stop(FprintDevice *rdev,
static gboolean fprint_device_set_storage_type(FprintDevice *rdev,
gint type);
static void fprint_device_list_enrolled_fingers_from_storage(FprintDevice *rdev,
gchar *username, GArray **fingers, DBusGMethodInvocation *context);
gchar *username, DBusGMethodInvocation *context);
static void fprint_device_load_print_data_from_storage(FprintDevice *rdev,
guint32 finger_num, gchar *username, guint32 *print_id, DBusGMethodInvocation *context);
guint32 finger_num, gchar *username, DBusGMethodInvocation *context);
#include "device-dbus-glue.h"
@ -325,7 +325,7 @@ static void fprint_device_release(FprintDevice *rdev,
}
static void fprint_device_list_enrolled_fingers(FprintDevice *rdev,
GArray **fingers, DBusGMethodInvocation *context)
DBusGMethodInvocation *context)
{
FprintDevicePrivate *priv = DEVICE_GET_PRIVATE(rdev);
struct fp_dscv_print **prints;
@ -354,13 +354,12 @@ static void fprint_device_list_enrolled_fingers(FprintDevice *rdev,
}
fp_dscv_prints_free(prints);
*fingers = ret;
dbus_g_method_return(context);
dbus_g_method_return(context, ret);
}
static void fprint_device_load_print_data(FprintDevice *rdev,
guint32 finger_num, guint32 *print_id, DBusGMethodInvocation *context)
guint32 finger_num, DBusGMethodInvocation *context)
{
FprintDevicePrivate *priv = DEVICE_GET_PRIVATE(rdev);
struct session_data *session = priv->session;
@ -415,9 +414,8 @@ static void fprint_device_load_print_data(FprintDevice *rdev,
g_message("load print data finger %d for device %d = %d",
finger_num, priv->id, lprint->id);
*print_id = lprint->id;
dbus_g_method_return(context);
dbus_g_method_return(context, lprint->id);
}
static void fprint_device_unload_print_data(FprintDevice *rdev,
@ -627,7 +625,7 @@ static gboolean fprint_device_set_storage_type(FprintDevice *rdev,
}
static void fprint_device_list_enrolled_fingers_from_storage(FprintDevice *rdev,
gchar *username, GArray **fingers, DBusGMethodInvocation *context)
gchar *username, DBusGMethodInvocation *context)
{
FprintDevicePrivate *priv = DEVICE_GET_PRIVATE(rdev);
GError *error = NULL;
@ -655,13 +653,12 @@ static void fprint_device_list_enrolled_fingers_from_storage(FprintDevice *rdev,
}
g_slist_free(prints);
*fingers = ret;
dbus_g_method_return(context);
dbus_g_method_return(context, ret);
}
static void fprint_device_load_print_data_from_storage(FprintDevice *rdev,
guint32 finger_num, gchar *username, guint32 *print_id, DBusGMethodInvocation *context)
guint32 finger_num, gchar *username, DBusGMethodInvocation *context)
{
FprintDevicePrivate *priv = DEVICE_GET_PRIVATE(rdev);
struct session_data *session = priv->session;
@ -692,8 +689,7 @@ static void fprint_device_load_print_data_from_storage(FprintDevice *rdev,
g_message("load print data finger %d for device %d = %d",
finger_num, priv->id, lprint->id);
*print_id = lprint->id;
dbus_g_method_return(context);
dbus_g_method_return(context, lprint->id);
}

2
src/device.xml
View File

@ -59,7 +59,7 @@
<arg type="u" name="storage_id" direction="in" />
<annotation name="org.freedesktop.DBus.GLib.Async" value="" />
</method>
<method name="ListEnrolledFingersFromStorage">
<arg type="s" name="username" direction="in" />
<arg type="au" name="enrolled_fingers" direction="out" />