Re: ldap_result(), Posix signals and error checking

[Howard Chu <hyc@symas.com>]

Quanah Gibson-Mount wrote:
> --On Saturday, September 05, 2009 5:58 PM +0200 John Miller
> <johnmiller@email.it>  wrote:
>
> > Hi all,
> > I have noticed a problem with my program (which is supposed to generate
> > and  receive many Posix signals ) and the function ldap_result(). It
> > happened to both my code and those library functions that used it (the
> > synchronous versions of  various add/search/modify functions).
> > They all failed randomly with a "Can't contact LDAP server" error. I
> > tracked the issue down to the poll() function in os-ip.c : it's return
> > value is not checked to see if  it has been interrupted by a signal.
> > Patching the library ( making the poll function to restart if errno ==
> > EINTR after failure ), resolved my problem.
> >
> > Is it a bug or a choice? The patch is trivial, but if that error is not
> > checked by choice that should be documented imho.
>
> I would send a question like this to openldap-devel@openldap.org

And it would be ignored. This is the right list for this question.

But the original poster appears to be confused. ldap_int_poll() clearly checks 
for EINTR already.

--
  -- Howard Chu
  CTO, Symas Corp.           http://www.symas.com
  Director, Highland Sun     http://highlandsun.com/hyc/
  Chief Architect, OpenLDAP  http://www.openldap.org/project/