Virtual Method
GioFileInputStreamquery_info_async
Declaration [src]
void
query_info_async (
GFileInputStream* stream,
const char* attributes,
int io_priority,
GCancellable* cancellable,
GAsyncReadyCallback callback,
gpointer user_data
)
Description [src]
Queries the stream information asynchronously.
When the operation is finished callback
will be called.
You can then call g_file_input_stream_query_info_finish()
to get the result of the operation.
For the synchronous version of this function, see g_file_input_stream_query_info().
If cancellable
is not NULL
, then the operation can be cancelled by
triggering the cancellable object from another thread. If the operation
was cancelled, the error G_IO_ERROR_CANCELLED
will be set.
Parameters
attributes
-
Type:
const char*
A file attribute query string.
The data is owned by the caller of the method. The value is a NUL terminated UTF-8 string. io_priority
-
Type:
int
The I/O priority of the request.
cancellable
-
Type:
GCancellable
Optional
GCancellable
object,NULL
to ignore.The argument can be NULL
.The data is owned by the caller of the method. callback
-
Type:
GAsyncReadyCallback
A
GAsyncReadyCallback
to call when the request is satisfied. user_data
-
Type:
gpointer
The data to pass to callback function.
The argument can be NULL
.The data is owned by the caller of the method.