Pipes sunexeia..

[Dimitrios P. Bouras]

Alexios Chouchoulas wrote:
> 
>   Ok, symfwna me ton kernoula (sic) mou, to fsync() einai Filesystem
> operation, enw ta pipes einai memory structure (akoma kai ta named pipes). H
> fsync fwnazei ena arxeio kai tou leei na grapsei ola ta inodes tou ston
> disko. Dyo parathrhseis:
> 
>   (a) Den doulevei se ola ta filesystems (e, logiko einai -- merika, opws ta
> ProcFS, NFS, SMBFS den exoun disko gia na grapsoun).
> 
>   (b) Oi pipes den exoun inodes, ara h entolh gia fsync() mpainei apo to ena
> afti kai bgainei apo to allo.

  Loipon Ale3h,

  Xairomai pou eixame thn koubenta auth, giati kyta3a kai'gw twra
 pou to kainourgio Linux-box mou einai operational, 3ana me 
 perissoterh prosoxh to man-page. To apotelesma synopsizetai s'auta
 pou anafereis parapanw me mia akomh parathrhsh. Symfwna me ta man
 pages pou aforoun sto write/read, oti "mpei" me write einai etoimo
 na "bgei" me read. Opote den dikaiologeitai h symperifora tou
 programmatos tou syn-listobiou tou opoiou dystyxws den krathsa to
 mhnyma me to source.

>   Twra pou to eipa afto, prepei na prosthesw oti mporei pia na kserw ti DEN
> kanoun oi pipes, alla akoma DEN kserw pws akribws symperiferontai. Afto pou
> kserw einai oti sto Solaris oi pipes einai non-standard kludgia kai einai
> mia frikth empeiria na tis xeirizesai (eidika mesw NFS).

  Exontas grapsei to named-pipe code gia to xisp, ka0ws kai arxikes
 versions twn programmatwn yposthri3hs tou, opou epaiza me tous 0,1,2
 descriptors pou "kotsarontan" se pipes (toso named, mesw tou file-
 system, oso kai inter-process pipes), den mporw na symeristw thn
 apopsh sou oson afora sto Linux toulaxiston. Gia to Solaris twra,
 ean ta pipes einai opws kai ta ypoloipa... :)

  Opws kai na'xei h syzhthsh htan diafwtistikh :)

  Dhmhtrhs

-- 
|  Dimitrios P. Bouras   |           Tel.: +30 1 894-1320 or 968-0554  |
|  41 Pandora Str.       |   FAX: +30 1 382-7900 "Attention: Dimitri"  |
|  166 74 Athens         |  E-mail: dbouras at hol.gr, dimitri at ee.ubc.ca  |
|  GREECE                |          Web: http://users.hol.gr/~dbouras  |
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