How can i use os_evt_set() from FIQ interrupt functions.

There are 2 functions:
os_evt_set(..);
isr_evt_set(..);

i know isr_evt_set(..) can't be called from FIQ intterupt function, but can i use os_evt_set(..) under FIQ?

void	FIQ_Handler(void) __fiq
{
//....
 os_evt_set(..);
}