Function register_eventfd [src]

Registers the file descriptor for an eventfd that will be notified of completion events on an io_uring instance. Only a single a eventfd can be registered at any given point in time.

Prototype

pub fn register_eventfd(self: *IoUring, fd: posix.fd_t) !void

Parameters

self: *IoUringfd: posix.fd_t

Source

  pub fn register_eventfd(self: *IoUring, fd: posix.fd_t) !void {
    assert(self.fd >= 0);
    const res = linux.io_uring_register(
        self.fd,
        .REGISTER_EVENTFD,
        @as(*const anyopaque, @ptrCast(&fd)),
        1,
    );
    try handle_registration_result(res);
}  