Function sockpool_get_from_pool

cdb2api/cdb2api.c:1886–1898

The sockpool mutex must be locked at this point */

/* The sockpool mutex must be locked at this point */
static int sockpool_get_from_pool(void)
{
    int fd = -1;
    for (int i = 0; i < sockpool_fd_count; i++) {
        struct sockpool_fd_list *sp = &sockpool_fds[i];
        if (sp->in_use == 0 && sp->sockpool_fd > -1) {
            fd = sp->sockpool_fd;
            sp->in_use = 1;
            break;
        }
    }
    return fd;
}

/* The sockpool mutex must be locked at this point */
static int sockpool_place_fd_in_pool(int fd)