HelenOS sources

e1000_disable_interrupts 1344 uspace/drv/nic/e1k/e1k.c 		e1000_disable_interrupts(e1000);
e1000_disable_interrupts 1774 uspace/drv/nic/e1k/e1k.c 		e1000_disable_interrupts(e1000);
e1000_disable_interrupts 1818 uspace/drv/nic/e1k/e1k.c 	e1000_disable_interrupts(e1000);
e1000_disable_interrupts 2241 uspace/drv/nic/e1k/e1k.c 	e1000_disable_interrupts(e1000);
HelenOS homepage, sources at GitHub