Function copy_cqe [src]

Returns a copy of an I/O completion, waiting for it if necessary, and advancing the CQ ring. A convenience method for copy_cqes() for when you don't need to batch or peek.

Prototype

pub fn copy_cqe(ring: *IoUring) !linux.io_uring_cqe

Parameters

ring: *IoUring

Source

  pub fn copy_cqe(ring: *IoUring) !linux.io_uring_cqe {
    var cqes: [1]linux.io_uring_cqe = undefined;
    while (true) {
        const count = try ring.copy_cqes(&cqes, 1);
        if (count > 0) return cqes[0];
    }
}  