[MacPorts] #6495: BUG: "Can't set selection" error in emacs when emacs started from remote shell

[MacPorts]

#6495: BUG: "Can't set selection" error in emacs when emacs started from remote
shell
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  Reporter:  vincent-opdarw@…           |       Owner:  macports-tickets@…                   
      Type:  defect                     |      Status:  reopened                             
  Priority:  Normal                     |   Milestone:                                       
 Component:  ports                      |     Version:                                       
Resolution:                             |    Keywords:                                       
      Port:                             |  
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Old description:

> When I run emacs (from the emacs-devel port) in an environment where the
> SECURITYSESSIONID variable isn't set (this can happen when emacs is
> started from
> the screen utility), copy-paste between emacs and other applications
> fails. For
> instance, when I click with the middle button to paste in emacs, I get
> the error
> "Kill ring is empty".

New description:

 When I run emacs (from the emacs-devel port) in an environment where the
 SECURITYSESSIONID variable isn't set (this can happen when emacs is
 started from
 the screen utility), copy-paste between emacs and other applications
 fails. For
 instance, when I click with the middle button to paste in emacs, I get the
 error
 "Kill ring is empty".

--

Comment(by vinc17@…):

 The bug still occurs with Emacs 22.3.1. The attachment kdump-
 mp6495.tar.lzma contains the dump files obtained with
 {{{
   ktrace /Applications/MacPorts/Emacs.app/Contents/MacOS/Emacs \
     -q -no-site-file -eval '(setq inhibit-splash-screen t)'
 }}}
 and kdump, and the corresponding environments. In the Emacs window, I
 typed "asd" and selected it with a double-click. Then I quit Emacs with
 C-x C-c.

   *-fail  when Emacs has been started from screen (see above).

   *-ok    when Emacs has been started from a normal iTerm tab.

 In kdump-ok, the PID has been changed to the PID from kdump-fail in order
 to be able to do a "diff".

 It seems that the main differences in the kdump files are the failures of
 shm_open in kdump-fail: "shm_open -1 errno 2 No such file or directory".

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Ticket URL: <http://trac.macports.org/ticket/6495#comment:9>
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