zar@Hamlet.Caltech.EDU (Dan Zirin) (06/30/87)
$!------------------------------Cut Here-------------------------
$ chk = "739047707"
$ create nf6.for
$ deck/dollars="ThEgReAtZaR"
subroutine kill(inline,inp_uic,dumy)
C
C Routine to delete, force exit, suspend, or resume a process.
C Both the calling process and the target process must have the
C same UIC.
c
c (c) Zar Ltd. 1985
c
parameter ss$_normal = 1
parameter wait_time = '0 0:0:3.0'
implicit integer*4 (a-z)
include 'nanny.inc'
include '($jpidef)'
character*(*) inline
character*80 message
character*12 userc,usert
character*8 fnction
integer*4 getlis(7),qwait(2)
integer*2 uict(2),uicc(2),inp_uic(2)
logical*1 dumy
C
C Initialize and get command
C
dumy = nan$_invcom
call str$upcase(inline,inline)
if (inline(1:5).ne.'KILL '.and.inline(1:5).ne.'STOP '.and.
1 inline(1:8).ne.'SUSPEND '.and.inline(1:7).ne.'RESUME ') return
i=index(inline,' ')-1
fnction=inline(1:i)
C
C Decode the target Process ID
C
inline=inline(i+2:)
if (lench(inline).eq.0) goto 999
do while(inline(1:1).eq.' ')
inline=inline(2:)
end do
j=index(inline,' ')-1
read(inline(:j),'(z<j>)',err=999) pidt
C
C Try to get the target UIC
C
getlis(1) = jpi$_uic * 2**16 + 4
getlis(2) = %loc(uict)
getlis(3) = 0
getlis(4) = jpi$_username * 2**16 + 12
getlis(5) = %loc(usert)
getlis(6) = 0
getlis(7) = 0
code = sys$bintim(wait_time,qwait)
if (bug(code,'BINTIM').ne.ss$_normal) goto 999
code = sys$setimr(%val(11),qwait,,)
if (bug(code,'SETIMR').ne.ss$_normal) goto 999
code = sys$getjpi(%val(12),pidt,,getlis,,,)
if (bug(code,'GETJPI').ne.ss$_normal) goto 999
code = sys$wflor(%val(11),%val(2**11.or.2**12))
call bug(code,'WFLOR')
C
C Decode the requesting Process ID
C
inline=inline(j+2:)
if (lench(inline).eq.0) goto 999
do while(inline(1:1).eq.' ')
inline=inline(2:)
end do
j=index(inline,' ')-1
read(inline(:j),'(z<j>)',err=999) pidc
C
C Try to get the requesting UIC
C
getlis(1) = jpi$_uic * 2**16 + 4
getlis(2) = %loc(uicc)
getlis(3) = 0
getlis(4) = jpi$_username * 2**16 + 12
getlis(5) = %loc(userc)
getlis(6) = 0
getlis(7) = 0
code = sys$setimr(%val(11),qwait,,)
if (bug(code,'SETIMR').ne.ss$_normal) goto 999
code = sys$getjpi(%val(12),pidc,,getlis,,,)
if (bug(code,'GETJPI').ne.ss$_normal) goto 999
code = sys$wflor(%val(11),%val(2**11.or.2**12))
call bug(code,'WFLOR')
C
C Make sure the requestor's UIC and the mailbox UIC are the same
C
if (inp_uic(1).ne.uicc(1).or.inp_uic(2).ne.uicc(2)) then
write(message,'(a,o3,a,o3,a)') 'System being violated'//
1 ' by UIC [',inp_uic(2),',',inp_uic(1),']'
call output(2,message(:38))
dumy = nan$_nopriv
return
end if
C
C If the two UICs aren't the same, don't delete.
C
if (uicc(2).gt.sysgrp.and.(uicc(1).ne.uict(1).or.uicc(2).ne.
1 uict(2))) goto 888
if (uicc(2).gt.sysgrp.and.(usert.ne.userc.or.pidt.eq.0))
1 goto 888
C
C Delete the target process and raise its priority to make
C sure it goes away.
C
if (fnction.eq.'KILL') then
code = sys$forcex(pidt,,%val('2c'x))
call bug(code,'FORCEX')
code = sys$delprc(pidt,)
if (bug(code,'DELPRC').eq.ss$_normal) then
code = sys$setpri(pidt,,%val(13),)
call bug(code,'SETPRI')
else
goto 999
end if
C
C Force a process to stop execution of the image it's running.
C
else if (fnction.eq.'STOP') then
code = sys$forcex(pidt,,%val('2c'x))
if (bug(code,'FORCEX').ne.ss$_normal) goto 999
C
C Suspend a process
C
else if (fnction.eq.'SUSPEND') then
code = sys$suspnd(pidt,)
if (bug(code,'SUSPND').ne.ss$_normal) goto 999
C
C Resume a process
C
else if (fnction.eq.'RESUME') then
code = sys$resume(pidt,)
if (bug(code,'RESUME').ne.ss$_normal) goto 999
end if
C
C Stamp SYS$OUTPUT with a completion message
C
message = 'Request to '//fnction(:len1(fnction))//' process '//
1 usert(:len1(usert))//' by '//userc(:len1(userc))//' approved'
call output(2,message(:len1(message)))
dumy=1
return
888 message = 'Request to '//fnction(:len1(fnction))//' process '//
1 usert(:len1(usert))//' by '//userc(:len1(userc))//' denied'
call output(1,message(:len1(message)))
dumy = nan$_retwarn
return
999 message = 'Request to '//fnction(:len1(fnction))//' process '//
1 usert(:len1(usert))//' by '//userc(:len1(userc))//' aborted'//
2 ' on error'
call output(1,message(:len1(message)))
return
end
subroutine loop
c
c Be recursive
c
c (c) Zar Ltd. 1985
c
parameter ss$_normal = 1
implicit integer*4 (a-z)
include 'nanny.inc'
include '($iodef)'
external gotmess
c
code = sys$qio(,%val(mbxchan),%val(io$_readvblk),,gotmess,,
1 inbuff,%val(128),,,,)
if (bug(code,'QIO').ne.ss$_normal)
1 call output(2,'Recursive I/O stopped. Input will be ignored')
return
end
c
c Function Lench
c
c This function takes a character string and finds out how long the
c "actual" string is (i.e. not including padded blanks on the right).
c
c (c) Zar Ltd. 1985
c
integer*4 function lench(string)
character*(*) string
character*255 dumy
c
do while(index(string,char(0)).ne.0)
i = index(string,char(0))
string(i:i) = ' '
end do
call str$trim(dumy,string,line_l)
lench = line_l
return
end
c
c=====================================================================
c
subroutine new_log(dumy)
c
c Get parameters for this run from startup file.
c
c (c) Zar Ltd. 1985
c
implicit integer*4 (a-z)
include 'nanny.inc'
character*80 disknams,oprttys,com_file
character*15 onan_prcnam
character*9 dat
character*8 osysaccnam
integer*4 otruewait(2)
logical*1 dumy,opchk
c
c Close the output and reopen it
c
progress = 0
dumy = 32
inquire(unit=6,opened=opchk)
if (opchk) call output(1,'Logfile closed')
open(unit=6,name='SYS$OUTPUT:',carriagecontrol='list',shared,
1 recl=512,status='new')
close(unit=6)
c
c Reread the parameter file
c
open(unit=1,name='NANNY$START:',readonly,shared,err=6,
1 carriagecontrol='list',status='old')
goto 7
6 open(unit=1,name='SYS$INPUT:',readonly,shared,err=3,
1 carriagecontrol='list',status='old')
c
c Get the process name
c
7 read(1,110,err=3,end=3) onan_prcnam
if (nan_prcnam.ne.onan_prcnam) then
code=sys$setprn(onan_prcnam)
call bug(code,'SETPRN')
nan_prcnam=onan_prcnam
end if
progress=progress+1
c
c Get the system group UIC
c
read(1,120,err=3,end=3) osysgrp
if (osysgrp.lt.1.or.osysgrp.gt.255) goto 3
progress=progress+1
c
c Get the system account name
c
read(1,100,err=3,end=3) osysaccnam
if (sysaccnam.ne.osysaccnam) sysaccnam = osysaccnam
progress=progress+1
c
c Get the cycle time
c
read(1,*,err=3,end=3) owaitim
if (owaitim.lt.1000.or.owaitim.gt.30000) goto 3
c
c Convert cycle time to system quadword format
c
k=owaitim
i=float(k)/6000.
k=k-i*6000
j=float(k)/100.
k=k-j*100
dat='0 0:'
l=5
m=0
if (i.gt.9) m=1
write(dat(l:l+m),'(i<m+1>)',err=3) i
l=l+m+2
dat(l-1:l-1)=':'
m=0
if (j.gt.9) m=1
write(dat(l:l+m),'(i<m+1>)',err=3) j
l=l+m+2
dat(l-1:l-1)='.'
m=0
if (k.gt.9) m=1
write(dat(l:l+m),'(i<m+1>)',err=3) k
l=l+m
if (sys$bintim(dat(:l),otruewait).ne.1) goto 3
progress=progress+1
c
c Get the number of cycles to use for CPU use average
c
read(1,*,err=3,end=3) ocpu_average
if (ocpu_average.lt.1.or.ocpu_average.gt.max_average) goto 3
progress=progress+1
c
c Get the maximum idle time for a terminal and the maximum elapsed
c time limit for interactive processes in "cycle" units
c
read(1,*,err=3,end=3) omaxidle,omaxelapsed
if (omaxidle.gt.8640.or.omaxelapsed.gt.86400) goto 3
if ((omaxidle.ne.0.and.omaxidle.lt.3).or.(omaxelapsed.ne.0
1 .and.omaxelapsed.lt.omaxidle)) goto 3
progress=progress+1
c
c Get the minimum time to be considered not idle
c
read(1,*,err=3,end=3) omintim,ominio
if (omintim.lt.0.or.omintim.gt.299) goto 3
if (ominio.lt.0.or.ominio.gt.299) goto 3
progress=progress+1
c
c Get the maximum usable physical memory(guestimate)
c
read(1,*,err=3,end=3) omaxphymem
if (omaxphymem.ne.0.and.(omaxphymem.lt.2048.or.omaxphymem
1 .gt.65536)) goto 3 !Between 1-32 Megabytes of memory
progress=progress+1
c
c Define memory size to resume suspended jobs
c
read(1,*,err=3,end=3) olowphymem
if (olowphymem.ne.0.and.(olowphymem.lt.128.or.olowphymem
1 .gt.65536)) goto 3 !Between 0-32 Meg of memory
if (olowphymem.gt.omaxphymem) olowphymem = omaxphymem
progress=progress+1
ThEgReAtZaR
$ checksum nf6.for
$ if chk.nes.checksum$checksum then write sys$output -
"NF6.FOR didn't pass checksum. File may be corrupted."
$ if chk.nes.checksum$checksum then exit %x2c
$ exit