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Add "fd" and "close-fd" properties including getters and setters. Patch by

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* gio.symbols:
        * gunixinputstream.[hc]:
        * gunixoutputstream.[hc]: Add "fd" and "close-fd" properties
        including getters and setters. Patch by Maciej Piechotka


svn path=/trunk/; revision=7735
This commit is contained in:
Matthias Clasen
2008-12-08 05:41:43 +00:00
parent b2f0d44acb
commit b047087ac3
8 changed files with 390 additions and 41 deletions
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193
gio/gunixinputstream.c
View File

@@ -42,22 +42,36 @@
/**
* SECTION:gunixinputstream
* @short_description: Streaming input operations for Unix file descriptors
* @short_description: Streaming input operations for UNIX file descriptors
* @include: gio/gunixinputstream.h
* @see_also: #GInputStream
*
* #GUnixInputStream implements #GInputStream for reading from a
* unix file descriptor, including asynchronous operations. The file
* UNIX file descriptor, including asynchronous operations. The file
* descriptor must be selectable, so it doesn't work with opened files.
**/
enum {
PROP_0,
PROP_FD,
PROP_CLOSE_FD
};
G_DEFINE_TYPE (GUnixInputStream, g_unix_input_stream, G_TYPE_INPUT_STREAM);
struct _GUnixInputStreamPrivate {
int fd;
gboolean close_fd_at_close;
gboolean close_fd;
};
static void g_unix_input_stream_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec);
static void g_unix_input_stream_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec);
static gssize g_unix_input_stream_read (GInputStream *stream,
void *buffer,
gsize count,
@@ -112,7 +126,9 @@ g_unix_input_stream_class_init (GUnixInputStreamClass *klass)
GInputStreamClass *stream_class = G_INPUT_STREAM_CLASS (klass);
g_type_class_add_private (klass, sizeof (GUnixInputStreamPrivate));
gobject_class->get_property = g_unix_input_stream_get_property;
gobject_class->set_property = g_unix_input_stream_set_property;
gobject_class->finalize = g_unix_input_stream_finalize;
stream_class->read_fn = g_unix_input_stream_read;
@@ -127,6 +143,83 @@ g_unix_input_stream_class_init (GUnixInputStreamClass *klass)
}
stream_class->close_async = g_unix_input_stream_close_async;
stream_class->close_finish = g_unix_input_stream_close_finish;
/**
* GUnixInputStream:fd:
*
* The file descriptor that the stream reads from.
*
* Since: 2.20
*/
g_object_class_install_property (gobject_class,
PROP_FD,
g_param_spec_int ("fd",
_("File descriptor"),
_("The file descriptor to read from"),
G_MININT, G_MAXINT, -1,
G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_NAME | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
/**
* GUnixInputStream:close-fd:
*
* Whether to close the file descriptor when the stream is closed.
*
* Since: 2.20
*/
g_object_class_install_property (gobject_class,
PROP_CLOSE_FD,
g_param_spec_boolean ("close-fd",
_("Close file descriptor"),
_("Whether to close the file descriptor when the stream is closed"),
TRUE,
G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_STATIC_NAME | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
}
static void
g_unix_input_stream_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
GUnixInputStream *unix_stream;
unix_stream = G_UNIX_INPUT_STREAM (object);
switch (prop_id)
{
case PROP_FD:
unix_stream->priv->fd = g_value_get_int (value);
break;
case PROP_CLOSE_FD:
unix_stream->priv->close_fd = g_value_get_boolean (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
g_unix_input_stream_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
GUnixInputStream *unix_stream;
unix_stream = G_UNIX_INPUT_STREAM (object);
switch (prop_id)
{
case PROP_FD:
g_value_set_int (value, unix_stream->priv->fd);
break;
case PROP_CLOSE_FD:
g_value_set_boolean (value, unix_stream->priv->close_fd);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
}
static void
@@ -135,34 +228,100 @@ g_unix_input_stream_init (GUnixInputStream *unix_stream)
unix_stream->priv = G_TYPE_INSTANCE_GET_PRIVATE (unix_stream,
G_TYPE_UNIX_INPUT_STREAM,
GUnixInputStreamPrivate);
unix_stream->priv->fd = -1;
unix_stream->priv->close_fd = TRUE;
}
/**
* g_unix_input_stream_new:
* @fd: unix file descriptor.
* @close_fd_at_close: a #gboolean.
* @fd: a UNIX file descriptor
* @close_fd: %TRUE to close the file descriptor when done
*
* Creates a new #GUnixInputStream for the given @fd. If @close_fd_at_close
* is %TRUE, the file descriptor will be closed when the stream is closed.
* Creates a new #GUnixInputStream for the given @fd.
*
* If @close_fd is %TRUE, the file descriptor will be closed
* when the stream is closed.
*
* Returns: a #GUnixInputStream.
* Returns: a new #GUnixInputStream
**/
GInputStream *
g_unix_input_stream_new (int fd,
gboolean close_fd_at_close)
g_unix_input_stream_new (gint fd,
gboolean close_fd)
{
GUnixInputStream *stream;
g_return_val_if_fail (fd != -1, NULL);
stream = g_object_new (G_TYPE_UNIX_INPUT_STREAM, NULL);
stream = g_object_new (G_TYPE_UNIX_INPUT_STREAM,
"fd", fd,
"close-fd", close_fd,
NULL);
stream->priv->fd = fd;
stream->priv->close_fd_at_close = close_fd_at_close;
return G_INPUT_STREAM (stream);
}
/**
* g_unix_input_stream_set_close_fd:
* @stream: a #GUnixInputStream
* @close_fd: %TRUE to close the file descriptor when done
*
* Sets whether the file descriptor of @stream shall be closed
* when the stream is closed.
*
* Since: 2.20
*/
void
g_unix_input_stream_set_close_fd (GUnixInputStream *stream,
gboolean close_fd)
{
g_return_if_fail (G_IS_UNIX_INPUT_STREAM (stream));
close_fd = close_fd != FALSE;
if (stream->priv->close_fd != close_fd)
{
stream->priv->close_fd = close_fd;
g_object_notify (G_OBJECT (stream), "close-fd");
}
}
/**
* g_unix_input_stream_get_close_fd:
* @stream: a #GUnixInputStream
*
* Returns whether the file descriptor of @stream will be
* closed when the stream is closed.
*
* Return value: %TRUE if the file descriptor is closed when done
*
* Since: 2.20
*/
gboolean
g_unix_input_stream_get_close_fd (GUnixInputStream *stream)
{
g_return_val_if_fail (G_IS_UNIX_INPUT_STREAM (stream), FALSE);
return stream->priv->close_fd;
}
/**
* g_unix_input_stream_get_fd:
* @stream: a #GUnixInputStream
*
* Return the UNIX file descriptor that the stream reads from.
*
* Return value: The file descriptor of @stream
*
* Since: 2.20
*/
gint
g_unix_input_stream_get_fd (GUnixInputStream *stream)
{
g_return_val_if_fail (G_IS_UNIX_INPUT_STREAM (stream), -1);
return stream->priv->fd;
}
static gssize
g_unix_input_stream_read (GInputStream *stream,
void *buffer,
@@ -232,7 +391,7 @@ g_unix_input_stream_close (GInputStream *stream,
unix_stream = G_UNIX_INPUT_STREAM (stream);
if (!unix_stream->priv->close_fd_at_close)
if (!unix_stream->priv->close_fd)
return TRUE;
while (1)
@@ -412,7 +571,7 @@ close_async_cb (CloseAsyncData *data)
unix_stream = G_UNIX_INPUT_STREAM (data->stream);
if (!unix_stream->priv->close_fd_at_close)
if (!unix_stream->priv->close_fd)
{
result = TRUE;
goto out;