Zig 0.17.0-dev (Split by item)

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submit_and_wait

Like submit(), but allows waiting for events as well. Returns the number of SQEs submitted. Matches the implementation of io_uring_submit_and_wait() in liburing.

IoUring.submit_and_wait

pub fn submit_and_wait(self: *IoUring, wait_nr: u32) !u32

File

lib/std/os/linux/IoUring.zig:164

Code

pub fn submit_and_wait(self: *IoUring, wait_nr: u32) !u32 {
    const submitted = self.flush_sq();
    var flags: u32 = 0;
    if (self.sq_ring_needs_enter(&flags) or wait_nr > 0) {
        if (wait_nr > 0 or (self.flags & linux.IORING_SETUP_IOPOLL) != 0) {
            flags |= linux.IORING_ENTER_GETEVENTS;
        }
        return try self.enter(submitted, wait_nr, flags);
    }
    return submitted;
}