51 util_range_set_empty(struct util_range *range)  in util_range_set_empty()  argument
53    range->start = ~0;  in util_range_set_empty()
54    range->end = 0;  in util_range_set_empty()
59 util_range_add(struct util_range *range, unsigned start, unsigned end)  in util_range_add()  argument
61    if (start < range->start || end > range->end) {  in util_range_add()
62       mtx_lock(&range->write_mutex);  in util_range_add()
63       range->start = MIN2(start, range->start);  in util_range_add()
64       range->end = MAX2(end, range->end);  in util_range_add()
65       mtx_unlock(&range->write_mutex);  in util_range_add()
70 util_ranges_intersect(struct util_range *range, unsigned start, unsigned end)  in util_ranges_intersect()  argument
72    return MAX2(start, range->start) < MIN2(end, range->end);  in util_ranges_intersect()
79 util_range_init(struct util_range *range)  in util_range_init()  argument
81    (void) mtx_init(&range->write_mutex, mtx_plain);  in util_range_init()
82    util_range_set_empty(range);  in util_range_init()
86 util_range_destroy(struct util_range *range)  in util_range_destroy()  argument
88    mtx_destroy(&range->write_mutex);  in util_range_destroy()