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authorAndrew Burgess <andrew.burgess@embecosm.com>2021-01-27 18:20:35 +0000
committerAndrew Burgess <andrew.burgess@embecosm.com>2021-01-28 20:04:48 +0000
commit0f93c3a25bbfbdfeea92f27f591c88e7daeb9a70 (patch)
tree00e62ee66218a7247d296c5ea6c8a0126cded1a9 /gdb/thread.c
parentf237f998d1168139d599c550d54169cd8f94052d (diff)
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gdb: remove unneeded switch_to_thread from thr_try_catch_cmd
I spotted that every time thr_try_catch_cmd is called GDB has already switched to the required thread. The call to switch_to_thread at the head of thr_try_catch_cmd is therefore redundant. This commit replaces the call to switch_to_thread with an assertion that we already have the required thread selected. I also extended the header comment on thr_try_catch_cmd to make it clearer when this function could throw an exception. There should be no user visible changes after this commit. gdb/ChangeLog: * thread.c (thr_try_catch_cmd): Replace swith_to_thread with an assert. Extend the header comment.
Diffstat (limited to 'gdb/thread.c')
-rw-r--r--gdb/thread.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/gdb/thread.c b/gdb/thread.c
index 899c211..8210706 100644
--- a/gdb/thread.c
+++ b/gdb/thread.c
@@ -1466,15 +1466,16 @@ tp_array_compar_descending (const thread_info_ref &a, const thread_info_ref &b)
return (a->per_inf_num > b->per_inf_num);
}
-/* Switch to thread THR and execute CMD.
+/* Assuming that THR is the current thread, execute CMD.
FLAGS.QUIET controls the printing of the thread information.
- FLAGS.CONT and FLAGS.SILENT control how to handle errors. */
+ FLAGS.CONT and FLAGS.SILENT control how to handle errors. Can throw an
+ exception if !FLAGS.SILENT and !FLAGS.CONT and CMD fails. */
static void
thr_try_catch_cmd (thread_info *thr, const char *cmd, int from_tty,
const qcs_flags &flags)
{
- switch_to_thread (thr);
+ gdb_assert (is_current_thread (thr));
/* The thread header is computed before running the command since
the command can change the inferior, which is not permitted