Pouziti modulu IPC
Honza Pazdziora
adelton na informatics.muni.cz
Pondělí Duben 14 16:12:36 MEST 2003
On Mon, Apr 14, 2003 at 01:37:21PM +0200, L.P. wrote:
>
> Prosim nemuzete mi nekdo ukazat jak nazorne pouzivat modul IPC ?
>
> Potreboval bych predvest jednoduchy sled :
> vyvolat novy proces pres open3 ( nebo open 2)
> odeslat prikaz do procesu,
> prijmouta zpravy z procesu,
> ukoncit proces.
>
> Nejak tom u pouziti dle ActiveState helpu nerozumim.
use IPC::Open2;
my $pid = open2(\*RDRFH, \*WTRFH, 'some cmd and args');
print WTRFH "Prikaz\n";
my $odpoved = <RDRFH>;
print WTRFH "quit\n";
sleep 1;
kill 9, $pid;
U slozitejsich veci lepe pres syswrite/sysread a select, abyste
zamezil deadlocku.
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