On Wed, 30 Jan 2002, Gilles Detillieux wrote:
> > aix 4.2
> > tru64 5.0a (where it is an alias for EWOULDBLOCK)
> > freebsd 4.0 (where EWOULDBLOCK is an alias for it)
> > hpux 10.20
> > irix 6.5 (where EWOULDBLOCK is an alias for it)
> NeXTSTEP 2.1 (old Mach/BSD based system)
> QNX 4.23 (POSIX-compliant RTOS - EWOULDBLOCK is an alias for it)
> SunOS 5.8 (where EWOULDBLOCK is an alias for it)
> Linux 2.0.36 (where EWOULDBLOCK is an alias for it) - also 2.2.14 & 2.4.9
Well, I had already confirmed Solaris 2.8 and Mac OS X, so it seems it's
relatively portable.
> > #ifdef EAGAIN
> > <my patch>
> > #endif
Yes, I think this is a good idea at this point for 3.1.6 and we can get
rid of the #ifdef for 3.2.0b4 testing.
So here's my suggestion for adapting the patch to the current
code. #ifndef EAGAIN will run the current code exactly. Otherwise, add a
check for EAGAIN to decide if we break and fail. It seems like the
smallest amount of change to the current 3.1.6 code.
status = ::connect(sock, (struct sockaddr *)&server, sizeof(server));
//
// Disable alarm and restore previous policy if any
//
alarm(0);
sigaction(SIGALRM, &old_action, 0);
if (status == 0 || errno == EALREADY || errno == EISCONN)
{
connected = 1;
return OK;
}
//
// Only loop if timed out. Other errors are fatal.
//
#ifndef EAGAIN
if (status < 0 && errno != EINTR)
break;
#else
if (status < 0 && errno != EINTR && errno != EAGAIN)
break;
#endif
::close(sock);
open();
sleep(wait_time);
}
--
-Geoff Hutchison
Williams Students Online
http://wso.williams.edu/
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