Tries to read a single byte from the stream or the buffer.
Will block during this read.
On success, the byte read from the stream is returned. On end of stream -1 is returned but it's not an exceptional error and throws is not set.
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 returned. If an operation was partially finished when the operation was cancelled the partial result will be returned, without an
error.
On error -1 is returned and throws is set accordingly.
| this | |
| cancellable |
optional Cancellable object, null to ignore |
|
the byte read from the this, or -1 on end of stream or error. |