zig/std/os/linux/test.zig

39 lines
1.0 KiB
Zig

const std = @import("../../index.zig");
const linux = std.os.linux;
const assert = std.debug.assert;
test "timer" {
const epoll_fd = linux.epoll_create();
var err = linux.getErrno(epoll_fd);
assert(err == 0);
const timer_fd = linux.timerfd_create(linux.CLOCK_MONOTONIC, 0);
assert(linux.getErrno(timer_fd) == 0);
const time_interval = linux.timespec {
.tv_sec = 0,
.tv_nsec = 2000000
};
const new_time = linux.itimerspec {
.it_interval = time_interval,
.it_value = time_interval
};
err = linux.timerfd_settime(i32(timer_fd), 0, &new_time, null);
assert(err == 0);
var event = linux.epoll_event {
.events = linux.EPOLLIN | linux.EPOLLOUT | linux.EPOLLET,
.data = 0
};
err = linux.epoll_ctl(i32(epoll_fd), linux.EPOLL_CTL_ADD, i32(timer_fd), &event);
assert(err == 0);
const events_one: linux.epoll_event = undefined;
var events = []linux.epoll_event{events_one} ** 8;
err = linux.epoll_wait(i32(epoll_fd), &events[0], 8, -1);
}