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authorPedro Alves <pedro@palves.net>2022-07-04 16:43:06 +0100
committerPedro Alves <pedro@palves.net>2023-11-13 14:16:09 +0000
commit26f047ce788b42b7b5f96515d119138a8ae43979 (patch)
treeccd9e41706c8c504f519b697936808eb83aa4e41
parent53de5394f7bf11995b1d9cb6885a8490b2ebc9da (diff)
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Avoid duplicate QThreadEvents packets
Similarly to QProgramSignals and QPassSignals, avoid sending duplicate QThreadEvents packets. Approved-By: Andrew Burgess <aburgess@redhat.com> Change-Id: Iaf5babb0b64e1527ba4db31aac8674d82b17e8b4
-rw-r--r--gdb/remote.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/gdb/remote.c b/gdb/remote.c
index 8c7979c..2a460f6 100644
--- a/gdb/remote.c
+++ b/gdb/remote.c
@@ -529,6 +529,10 @@ public: /* data */
the target know about program signals list changes. */
char *last_program_signals_packet = nullptr;
+ /* Similarly, the last QThreadEvents state we sent to the
+ target. */
+ bool last_thread_events = false;
+
gdb_signal last_sent_signal = GDB_SIGNAL_0;
bool last_sent_step = false;
@@ -15010,6 +15014,9 @@ remote_target::thread_events (int enable)
if (m_features.packet_support (PACKET_QThreadEvents) == PACKET_DISABLE)
return;
+ if (rs->last_thread_events == enable)
+ return;
+
xsnprintf (rs->buf.data (), size, "QThreadEvents:%x", enable ? 1 : 0);
putpkt (rs->buf);
getpkt (&rs->buf);
@@ -15019,6 +15026,7 @@ remote_target::thread_events (int enable)
case PACKET_OK:
if (strcmp (rs->buf.data (), "OK") != 0)
error (_("Remote refused setting thread events: %s"), rs->buf.data ());
+ rs->last_thread_events = enable;
break;
case PACKET_ERROR:
warning (_("Remote failure reply: %s"), rs->buf.data ());