Function safety refers to whether or not it's safe to use the Screen API functions in certain situations.
Screen API functions are thread-safe and will behave as documented even in a multithreaded environement. However, Screen API functions are neither interrupt-safe nor signal-safe. Don't use Screen API functions in an interrupt handler or a signal handler.
Screen API
Safety | Value |
---|---|
Interrupt handler | No |
Signal handler | No |
Thread | Yes |