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 Subject: Re: fok() execve() -> No child processes Message-ID: <20050908203521.84843.qmail@web33405.mail.mud.yahoo.com> In-Reply-To: <494025505090813027dc0d6d3@mail.gmail.com>
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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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