Date: Fri, 12 Jan 2001 16:09:10 +0200 (EET) From: diman <diman@asd-g.com> To: Soumen Biswas <soumen.biswas@gte.net> Cc: hackers@FreeBSD.ORG Subject: Re: how to write custom init Message-ID: <Pine.BSF.4.21.0101121606440.320-100000@portal.none.ua> In-Reply-To: <001201c07c8d$4276f8a0$1e813b3f@netscaler.com>
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On Fri, 12 Jan 2001, Soumen Biswas wrote:
> Hi ,
>
> What are the points to be observed while writing custom init
>
> I am currently doing something like :
> /*
> 1. never exit
> 2. open fd 0,1 & 2
> 3. link statically */
>
> int main( int argc, char **argv )
> {
> int fd ;
> char cmd[128] = {0};
>
> fd = open( "/dev/console", O_RDWR );
> dup(fd);
> dup(fd);
>
> while( 1 ) {
> printf( "comm>" ); fflush( stdout );
> fgets( cmd, sizeof(cmd ), stdin );
>
> if( memcmp( "init", cmd , 4 ) == 0 )
> { close(0); close(1);close(2); execv("/init/sbin", argv ); }
Why /init/sbin ??
>
> if( memcmp( "quit", cmd, 4) == 0 ) reboot( RB_AUTOBOOT );
> } /* while */
>
> /* should not reach here */
> return 0 ;
> }
>
>
> Am I missing something ?
>
> Thanx & Regards
> soumen
>
>
>
>
>
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