Function sys_ioctl

components/lwp/lwp_syscall.c:796–800

* @brief Performs control operations on a file descriptor. * * This system call allows a program to manipulate the behavior of a device or file * associated with the file descriptor `fd` by issuing a control command (`cmd`). * The function provides an interface to interact with device drivers, such as modifying * the settings of a device or performing custom operations. * * @param fd The fi

 * @see sys_open(), sys_read(), sys_write(), ioctl()
 */
sysret_t sys_ioctl(int fd, unsigned long cmd, void* data)
{
    int ret = ioctl(fd, cmd, data);
    return (ret < 0 ? GET_ERRNO() : ret);
}

/**
 * @brief Retrieves information about a file associated with a file descriptor.