Public bug reported:

Binary package hint: lsb-base

Whilst looking in to a bug with nagios2 (see bug #174466), I think there
is a bug in the killproc() sub-routine within /lib/lsb/init-functions
(from the lsb-base package). If an init script calls this sub-routine to
issue a HUP siginal, the PID file is removed. For example:

killproc -p $THEPIDFILE $DAEMON 1

This causes an issue because the PID file is removed, even though a HUP
is sent to the process and as a result, a future reload (e.g.
/etc/init.d/nagios2 reload) causes two daemons to be spawned because the
PID file has been removed so the daemon's init script believes the
daemon has stopped.

Package: lsb-base
Priority: required
Section: misc
Installed-Size: 76
Maintainer: Ubuntu Core Developers <[EMAIL PROTECTED]>
Original-Maintainer: Chris Lawrence <[EMAIL PROTECTED]>
Architecture: all
Source: lsb
Version: 3.1-23.1ubuntu3
Replaces: lsb-core (<< 2.0-6), lsb (<< 2.0-6)
Depends: sed, ncurses-bin
Conflicts: lsb-core (<< 2.0-6), lsb (<< 2.0-6)
Filename: pool/main/l/lsb/lsb-base_3.1-23.1ubuntu3_all.deb
Size: 20176
MD5sum: cfcd198d912a3ac8846b58c883c9c14a
SHA1: 2dd7a35b92fb105ca4393a418dfcc869eab9b77e
SHA256: 3c3fc72e2eb258faed465ce840c6c7601ed681cecb800df0885d741f8fd87d3f
Description: Linux Standard Base 3.1 init script functionality
 The Linux Standard Base (http://www.linuxbase.org/) is a standard
 core system that third-party applications written for Linux can
 depend upon.
 .
 This package only includes the init-functions shell library, which
 may be used by other packages' initialization scripts for console
 logging and other purposes.
Bugs: mailto:[EMAIL PROTECTED]
Origin: Ubuntu

This was noted in gusty. Other releases have not been tested or checked.

** Affects: lsb (Ubuntu)
     Importance: Undecided
         Status: New

-- 
killproc routine removes PID file even if HUP is sent to process.
https://bugs.launchpad.net/bugs/176934
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