📄 tty_ioctl.c
字号:
<a name=L316 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L316">316</a> <a href="ident?v=0.97;i=verify_area">verify_area</a>((void *) arg,4);<a name=L317 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L317">317</a> <a href="ident?v=0.97;i=put_fs_long">put_fs_long</a>(tty->pgrp,(unsigned long *) arg);<a name=L318 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L318">318</a> return 0;<a name=L319 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L319">319</a> case <a href="ident?v=0.97;i=TIOCSPGRP">TIOCSPGRP</a>:<a name=L320 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L320">320</a> if ((<a href="ident?v=0.97;i=current">current</a>->tty < 0) ||<a name=L321 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L321">321</a> (<a href="ident?v=0.97;i=current">current</a>->tty != dev) ||<a name=L322 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L322">322</a> (tty->session != <a href="ident?v=0.97;i=current">current</a>->session))<a name=L323 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L323">323</a> return -<a href="ident?v=0.97;i=ENOTTY">ENOTTY</a>;<a name=L324 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L324">324</a> pgrp=<a href="ident?v=0.97;i=get_fs_long">get_fs_long</a>((unsigned long *) arg);<a name=L325 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L325">325</a> if (pgrp < 0)<a name=L326 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L326">326</a> return -<a href="ident?v=0.97;i=EINVAL">EINVAL</a>;<a name=L327 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L327">327</a> if (<a href="ident?v=0.97;i=session_of_pgrp">session_of_pgrp</a>(pgrp) != <a href="ident?v=0.97;i=current">current</a>->session)<a name=L328 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L328">328</a> return -<a href="ident?v=0.97;i=EPERM">EPERM</a>;<a name=L329 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L329">329</a> tty->pgrp = pgrp; <a name=L330 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L330">330</a> return 0;<a name=L331 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L331">331</a> case <a href="ident?v=0.97;i=TIOCOUTQ">TIOCOUTQ</a>:<a name=L332 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L332">332</a> <a href="ident?v=0.97;i=verify_area">verify_area</a>((void *) arg,4);<a name=L333 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L333">333</a> <a href="ident?v=0.97;i=put_fs_long">put_fs_long</a>(<a href="ident?v=0.97;i=CHARS">CHARS</a>(tty->write_q),(unsigned long *) arg);<a name=L334 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L334">334</a> return 0;<a name=L335 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L335">335</a> case <a href="ident?v=0.97;i=TIOCINQ">TIOCINQ</a>:<a name=L336 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L336">336</a> <a href="ident?v=0.97;i=verify_area">verify_area</a>((void *) arg,4);<a name=L337 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L337">337</a> if (<a href="ident?v=0.97;i=L_CANON">L_CANON</a>(tty) && !tty->secondary->data)<a name=L338 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L338">338</a> <a href="ident?v=0.97;i=put_fs_long">put_fs_long</a>(0, (unsigned long *) arg);<a name=L339 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L339">339</a> else<a name=L340 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L340">340</a> <a href="ident?v=0.97;i=put_fs_long">put_fs_long</a>(<a href="ident?v=0.97;i=CHARS">CHARS</a>(tty->secondary),<a name=L341 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L341">341</a> (unsigned long *) arg);<a name=L342 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L342">342</a> return 0;<a name=L343 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L343">343</a> case <a href="ident?v=0.97;i=TIOCSTI">TIOCSTI</a>:<a name=L344 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L344">344</a> return -<a href="ident?v=0.97;i=EINVAL">EINVAL</a>; <b><i>/* not implemented */</i></b><a name=L345 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L345">345</a> case <a href="ident?v=0.97;i=TIOCGWINSZ">TIOCGWINSZ</a>:<a name=L346 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L346">346</a> return <a href="ident?v=0.97;i=get_window_size">get_window_size</a>(tty,(struct <a href="ident?v=0.97;i=winsize">winsize</a> *) arg);<a name=L347 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L347">347</a> case <a href="ident?v=0.97;i=TIOCSWINSZ">TIOCSWINSZ</a>:<a name=L348 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L348">348</a> if (<a href="ident?v=0.97;i=IS_A_PTY_MASTER">IS_A_PTY_MASTER</a>(dev))<a name=L349 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L349">349</a> <a href="ident?v=0.97;i=set_window_size">set_window_size</a>(other_tty,(struct <a href="ident?v=0.97;i=winsize">winsize</a> *) arg);<a name=L350 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L350">350</a> return <a href="ident?v=0.97;i=set_window_size">set_window_size</a>(tty,(struct <a href="ident?v=0.97;i=winsize">winsize</a> *) arg);<a name=L351 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L351">351</a> case <a href="ident?v=0.97;i=TIOCMGET">TIOCMGET</a>:<a name=L352 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L352">352</a> return -<a href="ident?v=0.97;i=EINVAL">EINVAL</a>; <b><i>/* not implemented */</i></b><a name=L353 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L353">353</a> case <a href="ident?v=0.97;i=TIOCMBIS">TIOCMBIS</a>:<a name=L354 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L354">354</a> return -<a href="ident?v=0.97;i=EINVAL">EINVAL</a>; <b><i>/* not implemented */</i></b><a name=L355 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L355">355</a> case <a href="ident?v=0.97;i=TIOCMBIC">TIOCMBIC</a>:<a name=L356 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L356">356</a> return -<a href="ident?v=0.97;i=EINVAL">EINVAL</a>; <b><i>/* not implemented */</i></b><a name=L357 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L357">357</a> case <a href="ident?v=0.97;i=TIOCMSET">TIOCMSET</a>:<a name=L358 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L358">358</a> return -<a href="ident?v=0.97;i=EINVAL">EINVAL</a>; <b><i>/* not implemented */</i></b><a name=L359 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L359">359</a> case <a href="ident?v=0.97;i=TIOCGSOFTCAR">TIOCGSOFTCAR</a>:<a name=L360 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L360">360</a> return -<a href="ident?v=0.97;i=EINVAL">EINVAL</a>; <b><i>/* not implemented */</i></b><a name=L361 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L361">361</a> case <a href="ident?v=0.97;i=TIOCSSOFTCAR">TIOCSSOFTCAR</a>:<a name=L362 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L362">362</a> return -<a href="ident?v=0.97;i=EINVAL">EINVAL</a>; <b><i>/* not implemented */</i></b><a name=L363 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L363">363</a> case <a href="ident?v=0.97;i=TIOCLINUX">TIOCLINUX</a>:<a name=L364 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L364">364</a> switch (<a href="ident?v=0.97;i=get_fs_byte">get_fs_byte</a>((char *)arg))<a name=L365 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L365">365</a> {<a name=L366 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L366">366</a> case 0: <a name=L367 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L367">367</a> return <a href="ident?v=0.97;i=do_screendump">do_screendump</a>(arg);<a name=L368 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L368">368</a> case 1: <a name=L369 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L369">369</a> return <a href="ident?v=0.97;i=do_get_ps_info">do_get_ps_info</a>(arg);<a name=L370 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L370">370</a> default: <a name=L371 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L371">371</a> return -<a href="ident?v=0.97;i=EINVAL">EINVAL</a>;<a name=L372 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L372">372</a> }<a name=L373 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L373">373</a> case <a href="ident?v=0.97;i=TIOCCONS">TIOCCONS</a>:<a name=L374 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L374">374</a> if (!<a href="ident?v=0.97;i=IS_A_PTY">IS_A_PTY</a>(dev))<a name=L375 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L375">375</a> return -<a href="ident?v=0.97;i=EINVAL">EINVAL</a>;<a name=L376 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L376">376</a> if (<a href="ident?v=0.97;i=redirect">redirect</a>)<a name=L377 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L377">377</a> return -<a href="ident?v=0.97;i=EBUSY">EBUSY</a>;<a name=L378 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L378">378</a> if (!<a href="ident?v=0.97;i=suser">suser</a>())<a name=L379 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L379">379</a> return -<a href="ident?v=0.97;i=EPERM">EPERM</a>;<a name=L380 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L380">380</a> if (<a href="ident?v=0.97;i=IS_A_PTY_MASTER">IS_A_PTY_MASTER</a>(dev))<a name=L381 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L381">381</a> <a href="ident?v=0.97;i=redirect">redirect</a> = other_tty;<a name=L382 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L382">382</a> else<a name=L383 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L383">383</a> <a href="ident?v=0.97;i=redirect">redirect</a> = tty;<a name=L384 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L384">384</a> return 0;<a name=L385 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L385">385</a> case <a href="ident?v=0.97;i=TIOCGSERIAL">TIOCGSERIAL</a>:<a name=L386 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L386">386</a> if (!<a href="ident?v=0.97;i=IS_A_SERIAL">IS_A_SERIAL</a>(dev))<a name=L387 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L387">387</a> return -<a href="ident?v=0.97;i=EINVAL">EINVAL</a>;<a name=L388 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L388">388</a> <a href="ident?v=0.97;i=verify_area">verify_area</a>((void *) arg,sizeof(struct <a href="ident?v=0.97;i=serial_struct">serial_struct</a>));<a name=L389 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L389">389</a> return <a href="ident?v=0.97;i=get_serial_info">get_serial_info</a>(dev-64,(struct <a href="ident?v=0.97;i=serial_struct">serial_struct</a> *) arg);<a name=L390 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L390">390</a> case <a href="ident?v=0.97;i=TIOCSSERIAL">TIOCSSERIAL</a>:<a name=L391 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L391">391</a> if (!<a href="ident?v=0.97;i=IS_A_SERIAL">IS_A_SERIAL</a>(dev))<a name=L392 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L392">392</a> return -<a href="ident?v=0.97;i=EINVAL">EINVAL</a>;<a name=L393 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L393">393</a> return <a href="ident?v=0.97;i=set_serial_info">set_serial_info</a>(dev-64,(struct <a href="ident?v=0.97;i=serial_struct">serial_struct</a> *) arg);<a name=L394 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L394">394</a> case <a href="ident?v=0.97;i=FIONBIO">FIONBIO</a>:<a name=L395 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L395">395</a> if (arg)<a name=L396 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L396">396</a> <a href="ident?v=0.97;i=file">file</a>->f_flags |= <a href="ident?v=0.97;i=O_NONBLOCK">O_NONBLOCK</a>;<a name=L397 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L397">397</a> else<a name=L398 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L398">398</a> <a href="ident?v=0.97;i=file">file</a>->f_flags &= ~O_NONBLOCK;<a name=L399 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L399">399</a> return 0;<a name=L400 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L400">400</a> case <a href="ident?v=0.97;i=TIOCNOTTY">TIOCNOTTY</a>:<a name=L401 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L401">401</a> if (<a href="ident?v=0.97;i=MINOR">MINOR</a>(<a href="ident?v=0.97;i=file">file</a>->f_rdev) != <a href="ident?v=0.97;i=current">current</a>->tty)<a name=L402 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L402">402</a> return -<a href="ident?v=0.97;i=EINVAL">EINVAL</a>;<a name=L403 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L403">403</a> <a href="ident?v=0.97;i=current">current</a>->tty = -1;<a name=L404 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L404">404</a> if (<a href="ident?v=0.97;i=current">current</a>->leader) {<a name=L405 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L405">405</a> if (tty->pgrp > 0)<a name=L406 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L406">406</a> <a href="ident?v=0.97;i=kill_pg">kill_pg</a>(tty->pgrp, <a href="ident?v=0.97;i=SIGHUP">SIGHUP</a>, 0);<a name=L407 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L407">407</a> tty->pgrp = -1;<a name=L408 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L408">408</a> tty->session = 0;<a name=L409 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L409">409</a> }<a name=L410 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L410">410</a> return 0;<a name=L411 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L411">411</a> default:<a name=L412 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L412">412</a> return <a href="ident?v=0.97;i=vt_ioctl">vt_ioctl</a>(tty, dev, cmd, arg);<a name=L413 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L413">413</a> }<a name=L414 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L414">414</a> }<a name=L415 href="source/kernel/chr_drv/tty_ioctl.c?v=0.97#L415">415</a> </pre><hr><div align=center> [<b><i>source navigation</i></b>] [<a href="diff/kernel/chr_drv/tty_ioctl.c?v=0.97">diff markup</a>] [<a href="ident?v=0.97">identifier search</a>] [<a href="search?v=0.97">freetext search</a>] [<a href="find?v=0.97">file search</a>] </div><hr>This page was automatically generated by the <a href="http:blurb.html">LXR engine</a>.<br>Visit the <a href="http://lxr.linux.no/">LXR main site</a> for moreinformation.</html>⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -