I've been studying linux source code for a while now and multiple times I came across this in struct definitions.
include/linux/spi/spi.h:
struct spi_transfer {
[...]
unsigned dummy_data:1;
unsigned cs_change:1;
unsigned tx_nbits:3;
unsigned rx_nbits:3;
[...]
}
include/linux/sched.h
struct task_struct {
[...]
unsigned sched_reset_on_fork:1;
unsigned sched_contributes_to_load:1;
unsigned sched_migrated:1;
[...]
what does this number after element's name means?
I tried looking at c reference but didn't find anything or didn't know where to search.
