Macro log_fatal 

macro_rules! log_fatal {
    ($app_tag:expr, $fmt:expr $(, $($arg:tt)*)?) => { ... };
}

Logs a FATAL level message.

Fatal messages indicate critical errors that prevent continued operation. Color: Magenta (if colors are enabled)

Parameters

• app_tag - Category or module identifier
• fmt - Format string
• arg - Optional format arguments

Examples

use osal_rs::log_fatal;
 
log_fatal!("SYS", "Kernel panic!");
log_fatal!("HW", "Hardware fault detected: {}", fault_code);