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gdbserver hangs on open port


A user pointed out this behavior to me, which certainly seems wrong.
If you tell gdbserver to open an executable which doesn't exist,
it goes ahead and opens a port anyway, waits for gdb to connect, and
only then terminates (without sending any useful info to gdb).

gdbserver$ ./gdbserver :2345 foo
Cannot exec foo: No such file or directory.
Process foo created; pid = 2186

Child exited with retcode = 7f
Listening on port 2345

[different shell]

./gdb -nx
GNU gdb 6.6
Copyright (C) 2006 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you
are
welcome to change it and/or distribute copies of it under certain
conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for
details.
This GDB was configured as "--host=i386-pc-linux-gnu
--target=i386-linux".
(gdb) tar rem :2345
Remote debugging using :2345
Remote communication error: Connection reset by peer.
(gdb)

[original shell]
Remote debugging from host 127.0.0.1

Child exited with status 127
GDBserver exiting


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