Request an asynchronous read of @count bytes from the stream into a
new #GBytes. When the operation is finished @callback will be
called. You can then call g_input_stream_read_bytes_finish() to get the
result of the operation.
During an async request no other sync and async calls are allowed
on @stream, and will result in %G_IO_ERROR_PENDING errors.
A value of @count larger than %G_MAXSSIZE will cause a
%G_IO_ERROR_INVALID_ARGUMENT error.
On success, the new #GBytes will be passed to the callback. It is
not an error if this is smaller than the requested size, as it can
happen e.g. near the end of a file, but generally we try to read as
many bytes as requested. Zero is returned on end of file (or if
@count is zero), but never otherwise.
Any outstanding I/O request with higher priority (lower numerical
value) will be executed before an outstanding request with lower
priority. Default priority is %G_PRIORITY_DEFAULT.
Request an asynchronous read of @count bytes from the stream into a new #GBytes. When the operation is finished @callback will be called. You can then call g_input_stream_read_bytes_finish() to get the result of the operation.
During an async request no other sync and async calls are allowed on @stream, and will result in %G_IO_ERROR_PENDING errors.
A value of @count larger than %G_MAXSSIZE will cause a %G_IO_ERROR_INVALID_ARGUMENT error.
On success, the new #GBytes will be passed to the callback. It is not an error if this is smaller than the requested size, as it can happen e.g. near the end of a file, but generally we try to read as many bytes as requested. Zero is returned on end of file (or if @count is zero), but never otherwise.
Any outstanding I/O request with higher priority (lower numerical value) will be executed before an outstanding request with lower priority. Default priority is %G_PRIORITY_DEFAULT.