[Asterisk-code-review] res pjsip: Refactor load module/unload module (asterisk[13])

[George Joseph]

George Joseph has uploaded a new patch set (#2).

Change subject: res_pjsip:  Refactor load_module/unload_module
......................................................................

res_pjsip:  Refactor load_module/unload_module

load_module was just too hairy with every step having to clean up all
previous steps on failure.

Some of the pjproject init calls have now been moved to a separate
load_pjsip function and the unload_pjsip function was enhanced to clean
up everything if an error happened at any stage of the load process.

In the process, a bunch of missing pj_shutdowns, serializer_pool_shutdowns
and ast_threadpool_shutdowns were also corrected.

Change-Id: I5eec711b437c35b56605ed99537ebbb30463b302
---
M res/res_pjsip.c
M res/res_pjsip/pjsip_configuration.c
2 files changed, 114 insertions(+), 132 deletions(-)


  git pull ssh://gerrit.asterisk.org:29418/asterisk refs/changes/24/2224/2
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Gerrit-MessageType: newpatchset
Gerrit-Change-Id: I5eec711b437c35b56605ed99537ebbb30463b302
Gerrit-PatchSet: 2
Gerrit-Project: asterisk
Gerrit-Branch: 13
Gerrit-Owner: George Joseph <george.joseph at fairview5.com>