Function sys_fsync

components/lwp/lwp_syscall.c:9020–9026

* @brief Flush the file descriptors' data to disk. * * This function flushes all modified data of the file associated with the specified * file descriptor to disk, ensuring that any changes made to the file are committed * to permanent storage. * * @param[in] fd The file descriptor associated with the file to be flushed. It should * refer to an open file. * * @return sysret_

 *       To flush both data and metadata, `fdatasync` can be used.
 */
sysret_t sys_fsync(int fd)
{
    int res = fsync(fd);
    if (res < 0)
        res = rt_get_errno();
    return res;
}

/**
 * @brief Open a message queue.