1 files changed, 46 insertions, 0 deletions
diff --git a/lib/std/os/linux/test.zig b/lib/std/os/linux/test.zig
new file mode 100644
index 0000000000..97bbcc402d
--- /dev/null
+++ b/lib/std/os/linux/test.zig
@@ -0,0 +1,46 @@
+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;
+
+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);
+}