HelenOS sources

e1000_disable_interrupts 1341 uspace/drv/nic/e1k/e1k.c 		e1000_disable_interrupts(e1000);
e1000_disable_interrupts 1771 uspace/drv/nic/e1k/e1k.c 		e1000_disable_interrupts(e1000);
e1000_disable_interrupts 1815 uspace/drv/nic/e1k/e1k.c 	e1000_disable_interrupts(e1000);
HelenOS homepage, sources at GitHub