Function io_uring_enter

src/backend/linux_raw/io_uring/syscalls.rs:63–83

(
    fd: BorrowedFd<'_>,
    to_submit: u32,
    min_complete: u32,
    flags: IoringEnterFlags,
    arg: *const c_void,
    size: usize,
)

#[inline]
pub(crate) unsafe fn io_uring_enter(
    fd: BorrowedFd<'_>,
    to_submit: u32,
    min_complete: u32,
    flags: IoringEnterFlags,
    arg: *const c_void,
    size: usize,
) -> io::Result<u32> {
    // This is not `_readonly` because `io_uring_enter` waits for I/O to
    // complete, and I/O could involve writing to memory buffers, which
    // could be a side effect depended on by the caller.
    ret_c_uint(syscall!(
        __NR_io_uring_enter,
        fd,
        c_uint(to_submit),
        c_uint(min_complete),
        flags,
        arg,
        pass_usize(size)
    ))
}