[Bluez-devel] [Patch] Stop ctrl-c from aborting detached hciattach

[Frank Mandarino <fmandarino@endrelia.com>]

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Hi,

I was running some test programs on my embedded system, and noticed that
 my detached hciattach process, which I started from the command line,
was being killed when I entered ctrl-c to abort my test program.

The attached patch prevents signals generated by keyboard sequences,
such as ctrl-c, from being delivered to the detached hciattach process
by changing its process group id.

I'm not sure why daemon() wasn't called to create the detached process
like hcid does it, but calling setpgrp() seems to be sufficient.

Signed-off-by: Frank Mandarino <fmandarino@endrelia.com>

Regards,
../fam
-- 
Frank Mandarino                                fmandarino(a)endrelia.com
Endrelia Technologies Inc.
Toronto, Ontario, Canada

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Index: hciattach.c
===================================================================
RCS file: /cvsroot/bluez/utils/tools/hciattach.c,v
retrieving revision 1.41
diff -u -r1.41 hciattach.c
--- hciattach.c	10 Aug 2006 10:21:01 -0000	1.41
+++ hciattach.c	5 Oct 2006 20:19:50 -0000
@@ -1255,6 +1255,10 @@
 			return 0;
 		}
 
+		/* set a new process group so that ctrl-c
+		   won't abort the detached process */
+		setpgrp();
+
 		for (i = 0; i < 20; i++)
 			if (i != n)
 				close(i);

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