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From: Craig Carey <research@ijs.co.nz>
Newsgroups: comp.lang.ada
Subject: Re: task blocked using GNATSOCKETS
Date: Wed, 22 Oct 2003 21:58:17 +1300
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An update to the GCC GNAT Ada 95 compiler (gcc.gnu.org) occurred
on 20-21 October 2003.

Now "pragma Interrupt_State".
So perhaps now the whole program will die when Ctrl-C or
'kill -TERM' is done, in Linux. (I didn't check).


On Sat, 04 Oct 2003 13:03:53 +1200, Craig Carey wrote:
>On Fri, 3 Oct 2003 11:52:27 +0200, "Riccardo Fulcoli" wrote:
...
>>"raised GNAT.SOCKETS.SOCKET_ERROR : [125] Address already in use"
...
 [Setting SO_REUSEADDR fixes locked-up sockets problems in Linux/BSD]
...
>Zombie Ada program fragments ...
...
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=9480

The bug report is on how kill -TERM does not kill all the pieces of
 a GNAT Ada program in Linux (and *BSD).

>
>| FYI, in the ACT GNATpro version 5.00a, there is a new pragma
>| Interrupt_State which fixes this problem.
>|
>| When that pragma is inserted as shown below, the tasking program
>| can be killed via the TERM signal as expected:
>|
>| procedure Sigterm is
>|    pragma Unreserve_All_Interrupts;
>|    pragma Interrupt_State (SIGTERM, System);  -- insert this line
>

Getting GCC Ada using rsync (this excludes many non-Ada files):

rsync -RPvacz --include '/gcc/gcc/ada'
    --exclude '/*/*/*' rsync://gcc.gnu.org/gcc-cvs .


  -~  Craig Carey