Subversion Repositories planix.SVN

#include <u.h>
#include <libc.h>
#include <draw.h>
#include <event.h>
#include "cons.h"

#define BUFSIZ  4000

extern int      outfd;

int     hostpid;

void
edie(void)
{
        static int dead = 0;

        if(dead++ > 0) return;
        close(outfd);
        postnote(PNGROUP, getpid(), "exit");
}

static int
start_host(void)
{
        int     fd;

        cs = consctl();

        switch((hostpid = rfork(RFPROC|RFNAMEG|RFFDG|RFNOTEG))) {
        case 0:
                fd = open("/dev/cons", OREAD);
                dup(fd,0);
                if(fd != 0)
                        close(fd);
                fd = open("/dev/cons", OWRITE);
                dup(fd,1);
                dup(fd,2);
                if(fd != 1 && fd !=2)
                        close(fd);
                execl("/bin/rc","rcX",nil);
                fprint(2,"failed to start up rc\n");
                _exits("rc");
        case -1:
                fprint(2,"rc startup: fork error\n");
                _exits("rc_fork");
        }

        return open("/mnt/cons/cons/data", ORDWR);
}

void
ebegin(int Ehost)
{

        atexit(edie);

        einit(Emouse|Ekeyboard);

        outfd = start_host();
        if( estart(Ehost, outfd, BUFSIZ) != Ehost) {
                exits("event init error");
        }
}

void
send_interrupt(void)
{
        postnote(PNGROUP, hostpid,"interrupt");
}