Function lwp_copy_files

components/lwp/lwp_syscall.c:3524–3555

}

static int lwp_copy_files(struct rt_lwp *dst, struct rt_lwp *src)
{
    struct dfs_fdtable *dst_fdt;
    struct dfs_fdtable *src_fdt;

    src_fdt = &src->fdt;
    dst_fdt = &dst->fdt;
    /* init fds */
    dst_fdt->fds = rt_calloc(src_fdt->maxfd, sizeof(void *));
    if (dst_fdt->fds)
    {
        struct dfs_file *d_s;
        int i;

        dst_fdt->maxfd = src_fdt->maxfd;

        dfs_file_lock();
        /* dup files */
        for (i = 0; i < src_fdt->maxfd; i++)
        {
            d_s = fdt_get_file(src_fdt, i);
            if (d_s)
            {
                dst_fdt->fds[i] = d_s;
                d_s->ref_count++;
            }
        }
        dfs_file_unlock();
        return 0;
    }
    return -RT_ERROR;
}

sysret_t _sys_fork(void)
{