Date: Fri, 23 Nov 2001 11:44:05 +0100 (CET) From: Leif Neland <leifn@neland.dk> To: <freebsd-isdn@FreeBSD.ORG> Subject: isdnd -P : why initialize hw etc? Message-ID: <20011123105454.G12686-100000@arnold.neland.dk> In-Reply-To: <20001126154033.45CF83E8@hcswork.hcs.de>
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I looked at isdnd/main.c, and I wonder why isdnd -P try to connect to hw,
why does it do more than parse the config-file, print it and exit?
Is it nessecary to run this:
check_pid(); /* check if we are already running */
/* open isdn device */
if((isdnfd = open(I4BDEVICE, O_RDWR)) < 0)
{
log(LL_ERR, "main: cannot open %s: %s", I4BDEVICE, strerror(errno));
exit(1);
}
/* check kernel and userland have same version/release numbers */
if((ioctl(isdnfd, I4B_VR_REQ, &mvr)) < 0)
{
log(LL_ERR, "main: ioctl I4B_VR_REQ failed: %s", strerror(errno));
do_exit(1);
}
if(mvr.version != VERSION)
{
log(LL_ERR, "main: version mismatch, kernel %d, daemon %d", mvr.version, VERSION);
do_exit(1);
}
if(mvr.release != REL)
{
log(LL_ERR, "main: release mismatch, kernel %d, daemon %d", mvr.release, REL);
do_exit(1);
}
if(mvr.step != STEP)
{
log(LL_ERR, "main: step mismatch, kernel %d, daemon %d", mvr.step, STEP);
do_exit(1);
}
/* init controller state array */
init_controller();
/* read runtime configuration file and configure ourselves */
If -P is set, configure never returns, but isdnd terminates.
configure(configfile, 0);
Why not put all the above statements in a "if (!do_print)" ?
The obvious answer is "try it", but then isdnd dies with segmentation
fault when rc_config calls yyparse. I can't find this function.
Leif
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