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Date: Tue, 28 Jan 2003 15:06:00 -0000
From: oliver.kellogg@sysde.eads.net
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Subject: ada/9480: Cannot "kill -TERM" programs that link the tasking runtime
X-SW-Source: 2003-01/txt/msg01587.txt.bz2
List-Id: <gcc-prs.sourceware.org>


>Number:         9480
>Category:       ada
>Synopsis:       Cannot "kill -TERM" programs that link the tasking runtime
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Tue Jan 28 15:06:01 UTC 2003
>Closed-Date:
>Last-Modified:
>Originator:     Oliver M. Kellogg
>Release:        gcc-3.2.1
>Organization:
>Environment:
RedHat Linux 8.0 (i686)
>Description:
A main program that merely contains a task type
declaration (but no task object) does not react to
the TERM signal.
OTOH, A main program without any tasking related
declarations reacts normally to the SIGTERM.

Here is the test program:

-- file: sigterm_ignored.adb
with Text_Io;

procedure Sigterm_Ignored is

   task type Freerun;
   -- NB: Only a task TYPE, not even a real task.
   task body Freerun is
   begin
      null;
   end Freerun;

begin
   loop
      text_io.put_line ("Here is the main program.");
      delay 1.3;
   end loop;
end Sigterm_Ignored;
>How-To-Repeat:
gnatmake the test program and start it.
Then try doing a "kill -TERM" on the process and witness
that the program is not terminated.
>Fix:

>Release-Note:
>Audit-Trail:
>Unformatted: