Matthew M. DeLoera wrote:
Hello,
In investigating further, I see the calls in ldapssl_basic_init to
PR_Init and PR_SetConcurrency. explaining the extra NSPR threads when
running in SSL mode. From further reading about NSPR, I'm starting to
get the impression that there's a "proper" usage model for the LDAP SDK.
I'd never noticed anything about this in the docs, but if any of you can
point me to a relevant section, I'd appreciate it.
Can any of you confirm whether the following usage is ok:
MAIN APP START
- ldapssl_advclientauth_init()
START THREAD X
- either call ldapssl_init or ldap_init
- ldap_simple_bind
- exit thread X
START THREAD Y
- execute LDAP queries
- exit thread Y
START THREAD Z
- ldap_unbind
- ldapssl_shutdown (only if I was using SSL)
MAIN APP EXIT
- do nothing
I am not sure, but some of the initialization and shutdown functions are
probably only designed to be called once. I would also recommend
calling them on the main (primordial) thread. So a more typical usage
pattern would be:
in main at app startup time:
ldapssl_advclientauth_init()
...
make LDAP calls using on any threads
...
when you program is exiting:
ldapssl_shutdown();
PR_Cleanup();
It probably makes sense to ask about your crash on the NSPR list. The
LDAP C SDK is using NSPR somewhat indirectly through NSS when SSL is used.
--
Mark Smith
Pearl Crescent
http://pearlcrescent.com/
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