Reads data from a file.
Note that only a single read operation is allowed at once. The caller needs to make sure that either on_read_finish got called, or cancelRead was called before issuing the next call to read.
See Implementation
Reads data from a file.
Note that only a single read operation is allowed at once. The caller needs to make sure that either on_read_finish got called, or cancelRead was called before issuing the next call to read.