[Asterisk-code-review] res musiconhold: Add 'kill escalation delay option to classes (asterisk[13])

[George Joseph]

Hello Matthew Fredrickson, Jenkins2, 

I'd like you to reexamine a change. Please visit

    https://gerrit.asterisk.org/5984

to look at the new patch set (#2).

Change subject: res_musiconhold:  Add 'kill_escalation_delay option to classes
......................................................................

res_musiconhold:  Add 'kill_escalation_delay option to classes

By default, when res_musiconhold reloads or unloads, it sends a HUP
signal to custom applications (and all descendants), waits 100ms,
then sends a TERM signal, waits 100ms, then finally sends a KILL
signal.  An application which is interacting with an external
device and/or spawns children of its own may not be able to exit
cleanly in the default times, expecially if sent a KILL signal, or
if it's children are getting signals directly from
res_musiconhoild.

* To allow extra time, the 'kill_escalation_delay'
  class option can be used to set the number of milliseconds
  res_musiconhold waits before escalating kill signals, with the
  default being the current 100ms.

* To control to whom the signals are sent, the "kill_method" class
  option can be set to "process_group" (the default, existing
  behavior), which sends signals to the application and its
  descendants directly, or "process" which sends signals only to the
  application itself.

Change-Id: Iff70a1a9405685a9021a68416830c0db5158603b
---
M CHANGES
M configs/samples/musiconhold.conf.sample
M res/res_musiconhold.c
3 files changed, 111 insertions(+), 46 deletions(-)


  git pull ssh://gerrit.asterisk.org:29418/asterisk refs/changes/84/5984/2
-- 
To view, visit https://gerrit.asterisk.org/5984
To unsubscribe, visit https://gerrit.asterisk.org/settings

Gerrit-Project: asterisk
Gerrit-Branch: 13
Gerrit-MessageType: newpatchset
Gerrit-Change-Id: Iff70a1a9405685a9021a68416830c0db5158603b
Gerrit-Change-Number: 5984
Gerrit-PatchSet: 2
Gerrit-Owner: George Joseph <gjoseph at digium.com>
Gerrit-Reviewer: Jenkins2
Gerrit-Reviewer: Matthew Fredrickson <creslin at digium.com>
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