8/13/2019 implementation of X virtual frame buffer

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Chuck Slivkoffs implementation of X virtual frame buffer as described in docXWINKBRC0000!"#$

%vervie&

'sbin'init$d'(vfb script reads 'etc'rc$confi)$d'(vfb*parameters+ and invokes perl script'etc'X##'(vfb,daemon-pl

'etc'X##'(vfb,daemon daemoni.es the process and invokes*e(ecs+ /(init passin)

parameters

'usr'contrib'bin'X##'(init starts an X *Xhp or Xvfb+ server in frame buffer mode

and e(ecutes 'etc'X##'(vfb$(initrc

the 'etc'X##'(vfb$(initrc script tells (init to start an (clock and the m&m &indo&

mana)er on the Xserver

erl

'etc'X##'(vfb,daemon$pl

'usr'contrib'bin'X##'(init

'sbin'init$d'(vfb start

Create X#0screens 122

'usr'bin'X##'Xhp

then readX#0screens elseXvfb

'etc'rc$confi)$d'(vfb

'etc'X##'(vfb$(initrc

3(host 4Xclock 5

m&m

e(ec (init

'etc'X##'X#0screens

Xvfb start creates 'etc'X##'X#0screens ifit doesnt e(ist &ith 6Server%ptionsServer7ode X8fb

8/13/2019 implementation of X virtual frame buffer

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8/13/2019 implementation of X virtual frame buffer

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8/13/2019 implementation of X virtual frame buffer

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Checkin) status of Xvfb server$

I> file 'var'run'Xvfb,"$pid e(ists$ Checkin) process I> G$1111111111111111111111111111111111111111111111111

FI> I> I> C S9I7? 99J 9I7? C7>daemon G # 0 7ar T 00:00 'usr'contrib'bin'X##'(init'etc'X##'(vfb$(initrc 11 'usr'bin'X#1111111111111111111111111111111111111111111111111 G is (init$'var'run'Xvfb,"$pid seems valid$

Related processes: I> I> C%77N>G # 'usr'contrib'bin'X##'(init 'etc'X##'(vfb$(initrc 11 'usr'bin'X#GU# G 'usr'bin'X##'Xhp :" 1screen 0 #0G(!H( 1fbdir 'var'X##'Xserve

GG# G m&m

Current =o) file: 'var'X##'Xserver'lo)s'Xvfb,"$lo)1111111111111111111111111111111111111111111111111

1111111111111111111111111111111111111111111111111

?(it code: 0

nd if