HelenOS sources

POLL_INTERVAL     130 kernel/arch/ia64/src/drivers/ski.c 		thread_usleep(POLL_INTERVAL);
POLL_INTERVAL     171 kernel/arch/sparc64/src/drivers/niagara.c 		thread_usleep(POLL_INTERVAL);
POLL_INTERVAL     201 uspace/drv/char/ski-con/ski-con.c 		fibril_usleep(POLL_INTERVAL);
POLL_INTERVAL     166 uspace/drv/char/sun4v-con/sun4v-con.c 		fibril_usleep(POLL_INTERVAL);