Date: Fri, 12 Jan 2001 03:46:08 -0800 From: "Soumen Biswas" <soumen.biswas@gte.net> To: <hackers@freebsd.org> Subject: how to write custom init Message-ID: <001201c07c8d$4276f8a0$1e813b3f@netscaler.com>
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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 ); }
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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