static BOOL
make_link(uschar *dir, uschar *subdir, uschar *id, uschar *suffix, uschar *from,
uschar *to, BOOL noentok)
{
uschar f[256], t[256];
sprintf(CS f, "%s/%s%s/%s/%s%s", spool_directory, from, dir, subdir, id, suffix);
sprintf(CS t, "%s/%s%s/%s/%s%s", spool_directory, to, dir, subdir, id, suffix);
if (Ulink(f, t) < 0 && (!noentok || errno != ENOENT))
{
log_write(0, LOG_MAIN|LOG_PANIC, "link(\"%s\", \"%s\") failed while moving "
"message: %s", f, t, strerror(errno));
return FALSE;
}
return TRUE;
}
A2(PUBLIC, OSErr, ROMlib_serialopen, ParmBlkPtr, pbp, /* INTERNAL */
DCtlPtr, dcp)
{
OSErr err;
auto DCtlPtr otherp; /* auto due to old compiler bug */
hiddenh h;
#if defined (LINUX) || defined (NEXTSTEP)
const char *devname, *tempname;
LONGINT fd, ourpid, theirpid, newfd, oumask;
#endif
err = noErr;
if (!(dcp->dCtlFlags & CWC(OPENBIT))) {
h = (hiddenh) NewHandle(sizeof(hidden));
dcp->dCtlStorage = (Handle) RM(h);
otherp = otherdctl(pbp);
if (otherp && (otherp->dCtlFlags & CWC(OPENBIT))) {
*STARH(h) = *STARH((hiddenh) (long) MR(otherp->dCtlStorage));
dcp->dCtlFlags |= CWC(OPENBIT);
} else {
#if defined (LINUX) || defined (NEXTSTEP)
err = permErr;
if ((devname = specialname(pbp, &lockname, &tempname))) {
oumask = umask(0);
if (!tempname)
err = noErr;
else if ((fd = Uopen(tempname, O_BINARY|O_CREAT|O_WRONLY, 0666L))
>= 0) {
ourpid = getpid();
if (write(fd, &ourpid, sizeof(ourpid)) == sizeof(ourpid)) {
if (Ulink(tempname, lockname) == 0)
err = noErr;
else {
if ((newfd = Uopen(lockname, O_BINARY|O_RDWR, 0))
>= 0) {
if (read(newfd, &theirpid, sizeof(theirpid))
== sizeof(theirpid))
if ((kill(theirpid, 0) != 0) &&
errno == ESRCH) {
err = noErr;
Uunlink(lockname);
Ulink(tempname, lockname);
}
close(newfd);
}
}
Uunlink(tempname);
}
close(fd);
}
umask(oumask);
}
#endif
if (err == noErr) {
#if defined (LINUX) || defined (NEXTSTEP)
HxX(h, fd) = ROMlib_priv_open(devname, O_BINARY|O_RDWR);
if (HxX(h, fd) < 0)
err = HxX(h, fd); /* error return piggybacked */
else {
#if defined(TERMIO)
err = ioctl(HxX(h, fd), TCGETA, &HxX(h, state)) < 0 ?
ROMlib_maperrno() : noErr;
#else
if (ioctl(HxX(h, fd), TIOCGETP, &HxX(h, sgttyb)) < 0 ||
ioctl(HxX(h, fd), TIOCGETC, &HxX(h, tchars)) < 0 ||
ioctl(HxX(h, fd), TIOCLGET, &HxX(h, lclmode)) < 0)
err = ROMlib_maperrno();
#endif
#else
HxX(h, fd) = (CW(pbp->cntrlParam.ioCRefNum) == AINREFNUM ||
CW(pbp->cntrlParam.ioCRefNum) == AOUTREFNUM) ? 0 : 1;
#endif
dcp->dCtlFlags |= CWC(OPENBIT);
SerReset(CW(pbp->cntrlParam.ioCRefNum),
(CW(pbp->cntrlParam.ioCRefNum) == AINREFNUM ||
CW(pbp->cntrlParam.ioCRefNum) == AOUTREFNUM) ?
CW(SPPortA) : CW(SPPortB));
#if defined (LINUX) || defined (NEXTSTEP)
}
#endif
}
}
}
#if defined(SERIALDEBUG)
warning_trace_info("serial open returning %d", (LONGINT) err);
#endif
DOCOMPLETION(pbp, err);
}
