Plan 9 from Bell Labs - Section 9 - Kernel Functions

0intro - introduction to kernel functions

intro

allocb - data block management

allocb, iallocb, freeb, freeblist, BLEN, blocklen, concatblock, copyblock, trimblock, packblock, padblock, pullblock, pullupblock, adjustblock, checkb

conf - native and hosted kernel configuration file

conf

delay - small delays, clock interrupts

delay, microdelay, addclock0link

devattach - common device driver support

devattach, devclone, devdir, devgen, devwalk, devdirread, devstat, devopen, devbread, devbwrite, devcreate, devremove, devwstat, devreset, devinit, devshutdown, openmode

dmainit - platform-specific DMA support

dmainit, dmasetup, dmadone, dmaend, dmacount

error - error handling functions

error, nexterror, poperror, waserror

eve - privileged user

eve, iseve

inb - programmed I/O

inb, ins, inl, outb, outs, outl, insb, inss, insl, outsb, outss, outsl

intrenable - enable (disable) an interrupt handler

intrenable, intrdisable

kbdputc - keyboard interface to \fIcons\fP(3)

kbdputc, kbdq

kproc - kernel process creation, termination and interrupt

kproc, pexit, postnote

lib - C library functions used by the kernel

lib

lock - spin locks

lock, canlock, ilock, iunlock, unlock

malloc - kernel memory allocator

malloc, mallocz, smalloc, realloc, calloc, free, msize, setmalloctag, setrealloctag, getmalloctag, getrealloctag, malloctopoolblock

newchan - channel operations

newchan, chanfree, cclose, eqqid, eqchan, isdir, fdtochan, namec

panic - abandon hope

panic

parsecmd - parse device commands

parsecmd, cmderror, lookupcmd

qio - queued I/O for devices

qio: qget, qdiscard, qconsume, qpass, qproduce, qcopy, qopen, qbread, qread, qbwrite, qwrite, qiwrite, qfree, qclose, qhangup, qreopen, qlen, qwindow, qcanread, qsetlimit, qnoblock, qflush, qfull

qlock - serial synchronisation

qlock, qunlock, canqlock, rlock, runlock, wlock, wunlock

readnum - return values from read from device

readnum, readstr

ref - reference counts

Ref, incref, decref

seconds - kernel times and time conversions

seconds, ticks, fastticks, HZ, MS2HZ, MS2TK, TK2MS, TK2SEC

sleep - process synchronisation

sleep, wakeup, tsleep, return0

splhi - enable and disable interrupts

splhi, spllo, splx, islo

uartp8250 - portable 8250-style uarts

uartp8250

xalloc - basic memory management

xalloc, xspanalloc, xfree