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[Bug 1433155] [NEW] bash "kill -l" builtin gives wrong numbers for SIGRTMIN+n signals

 

Public bug reported:

The command "grep SIGRTMIN /usr/include/ -r" gives me

/usr/include/asm/signal.h:#define SIGRTMIN      32

and a bunch of other defines with the same value. But if I ask bash's
"kill" builtin via "kill -l", I get "34) SIGRTMIN". What's interesting,
there's actually no number 32 listed at all. Number 34 goes right after
31, where the right 32 should appear. The other names defined via
SIGRTMIN are also wrong.

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: bash 4.2-2ubuntu2.6
ProcVersionSignature: Ubuntu 3.2.0-76.111-generic 3.2.66
Uname: Linux 3.2.0-76-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.0.1-0ubuntu17.6
Architecture: amd64
Date: Tue Mar 17 18:34:25 2015
InstallationMedia: Kubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120423)
MarkForUpload: True
ProcEnviron:
 LANGUAGE=
 TERM=xterm
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: bash
UpgradeStatus: No upgrade log present (probably fresh install)

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


** Tags: amd64 apport-bug precise third-party-packages

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https://bugs.launchpad.net/bugs/1433155

Title:
  bash "kill -l" builtin gives wrong numbers for SIGRTMIN+n signals

Status in bash package in Ubuntu:
  New

Bug description:
  The command "grep SIGRTMIN /usr/include/ -r" gives me

  /usr/include/asm/signal.h:#define SIGRTMIN      32

  and a bunch of other defines with the same value. But if I ask bash's
  "kill" builtin via "kill -l", I get "34) SIGRTMIN". What's
  interesting, there's actually no number 32 listed at all. Number 34
  goes right after 31, where the right 32 should appear. The other names
  defined via SIGRTMIN are also wrong.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: bash 4.2-2ubuntu2.6
  ProcVersionSignature: Ubuntu 3.2.0-76.111-generic 3.2.66
  Uname: Linux 3.2.0-76-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.0.1-0ubuntu17.6
  Architecture: amd64
  Date: Tue Mar 17 18:34:25 2015
  InstallationMedia: Kubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120423)
  MarkForUpload: True
  ProcEnviron:
   LANGUAGE=
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: bash
  UpgradeStatus: No upgrade log present (probably fresh install)

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