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	Thu, 08 Sep 2005 13:35:20 PDT
Date: Thu, 8 Sep 2005 13:35:20 -0700 (PDT)
From: erkan kolemen <erkankolemen@yahoo.com>
To: soc-victor@freebsd.org, freebsd-hackers@freebsd.org
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Cc: 
Subject: Re: fok() execve() -> No child processes
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i tried and still same error.

thanks.

--- victor cruceru <victor.cruceru@gmail.com> wrote:

> Try to replace vfrork with fork and check if you'll
> get the same behavior.
> victor cruceru
> 
> 
> On 9/8/05, erkan kolemen <erkankolemen@yahoo.com>
> wrote:
> > Following code fails. I debugged it and saw that:
> it
> > produces "No child processes" error while wait().
> > 
> > is it possible, parent still is not start to wait
> but
> > child finished. After that CPU schedules parents.
> It
> > try to start wait but child has finished.
> > 
> > is it possible... What can i do for that?
> > 
> > static int e_x_e_c(char *cmd[])
> > {
> >        pid_t pid;
> >        int stat;
> > 
> >        switch((pid = vfork())) {
> >                case -1:
> >                        syslog(LOG_ERR, "fork: %s",
> > strerror(errno));
> >                        return -16;
> >                        break;
> >                case 0:
> >                        if(execve(cmd[0], cmd,
> NULL)
> > == -1) {
> >                                syslog(LOG_ERR,
> > "execve: %s", strerror(errno));
> >                                return -15;
> >                        }
> >                        break;
> >                default:
> >                        if (wait(&stat) == -1) {
> >                                slog(1, LOG_ERR);
> >                                return -14;
> >                        }
> > 
> >                        if (WIFSIGNALED(stat)) {
> >                                syslog(LOG_NOTICE,
> "%s
> > is signalled", cmdline[0]);
> >                                return -13;
> >                        }
> > 
> >                        if (WIFSTOPPED(stat)) {
> >                                syslog(LOG_NOTICE,
> "%s
> > is stopped", cmdline[0]);
> >                                return -12;
> >                        }
> > 
> >                        if (WIFEXITED(stat))
> >                                return
> > WEXITSTATUS(stat);
> >                        break;
> >        }
> >        return -11;
> > }
> > 
> > 
> > 
> > 
> > 
> >
>
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> 



	
		
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