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selftest/gdb_backtrace: avoid printing backtrace twice with 1 thread

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We call 'thread apply all bt full' in case there are interesting
things going on in other threads, but often there are no other threads
and it only serves to repeat the original trace (and very slowly, for
some reason).

The $_inferior_thread_count convenience variable is new in gdb 13.1
(2022-ish) so we init-if-undefined it to default to the old behaviour.

Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This commit is contained in:
Douglas Bagnall 2024-03-07 23:13:56 +13:00 committed by Andrew Bartlett
parent 904479cdf6
commit 12ce289922
1 changed files with 4 additions and 1 deletions
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selftest/gdb_backtrace
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@ -132,7 +132,10 @@ gdb)
cat <<EOF >${BATCHFILE_MAIN}
set height 0
bt full
thread apply all bt full
init-if-undefined \$_inferior_thread_count = 0
if \$_inferior_thread_count != 1
thread apply all bt full
end
info locals
if PyList_New
echo \\n### Python traceback\\n\\n