Non-Blocking IO and Multiplexing Mechanisms
Non-Blocking I/O
The recv function can operate in a non-blocking manner by passing the MSG_DONTWAIT flag as its final argument, though this approach is often cumbersome for consistent behavior. A more persistent method involves specifying the O_NONBLOCK flag during the open system call.
Alternatively, the fcntl function modifies the status flag ...
Posted on Sat, 09 May 2026 15:05:52 +0000 by supernova