Asynchronously opens @file for reading and writing.
For more details, see g_file_open_readwrite() which is the synchronous version of this call.
When the operation is finished, @callback will be called. You can then call g_file_open_readwrite_finish() to get the result of the operation.
the [I/O priority][io-priority] of the request
optional #GCancellable object, %NULL to ignore
a #GAsyncReadyCallback to call when the request is satisfied
the data to pass to callback function
2.22
See Implementation
Asynchronously opens @file for reading and writing.
For more details, see g_file_open_readwrite() which is the synchronous version of this call.
When the operation is finished, @callback will be called. You can then call g_file_open_readwrite_finish() to get the result of the operation.