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const std = @import("../../std.zig");
const builtin = @import("builtin");
const linux = std.os.linux;
const mem = std.mem;
const elf = std.elf;
const expect = std.testing.expect;
const fs = std.fs;
test "getpid" {
expect(linux.getpid() != 0);
}
test "timer" {
const epoll_fd = linux.epoll_create();
var err: usize = linux.getErrno(epoll_fd);
expect(err == 0);
const timer_fd = linux.timerfd_create(linux.CLOCK_MONOTONIC, 0);
expect(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(@intCast(i32, timer_fd), 0, &new_time, null);
expect(err == 0);
var event = linux.epoll_event{
.events = linux.EPOLLIN | linux.EPOLLOUT | linux.EPOLLET,
.data = linux.epoll_data{ .ptr = 0 },
};
err = linux.epoll_ctl(@intCast(i32, epoll_fd), linux.EPOLL_CTL_ADD, @intCast(i32, timer_fd), &event);
expect(err == 0);
const events_one: linux.epoll_event = undefined;
var events = [_]linux.epoll_event{events_one} ** 8;
// TODO implicit cast from *[N]T to [*]T
err = linux.epoll_wait(@intCast(i32, epoll_fd), @ptrCast([*]linux.epoll_event, &events), 8, -1);
}
test "statx" {
const tmp_file_name = "just_a_temporary_file.txt";
var file = try fs.cwd().createFile(tmp_file_name, .{});
defer {
file.close();
fs.cwd().deleteFile(tmp_file_name) catch {};
}
var statx_buf: linux.Statx = undefined;
switch (linux.getErrno(linux.statx(file.handle, "", linux.AT_EMPTY_PATH, linux.STATX_BASIC_STATS, &statx_buf))) {
0 => {},
// The statx syscall was only introduced in linux 4.11
linux.ENOSYS => return error.SkipZigTest,
else => unreachable,
}
var stat_buf: linux.Stat = undefined;
switch (linux.getErrno(linux.fstatat(file.handle, "", &stat_buf, linux.AT_EMPTY_PATH))) {
0 => {},
else => unreachable,
}
expect(stat_buf.mode == statx_buf.mode);
expect(@bitCast(u32, stat_buf.uid) == statx_buf.uid);
expect(@bitCast(u32, stat_buf.gid) == statx_buf.gid);
expect(@bitCast(u64, @as(i64, stat_buf.size)) == statx_buf.size);
expect(@bitCast(u64, @as(i64, stat_buf.blksize)) == statx_buf.blksize);
expect(@bitCast(u64, @as(i64, stat_buf.blocks)) == statx_buf.blocks);
}
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