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Avoid duplicate QThreadEvents packets

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Similarly to QProgramSignals and QPassSignals, avoid sending duplicate
QThreadEvents packets.

Approved-By: Andrew Burgess <aburgess@redhat.com>
Change-Id: Iaf5babb0b64e1527ba4db31aac8674d82b17e8b4
This commit is contained in:
Pedro Alves 2022-07-04 16:43:06 +01:00
parent 53de5394f7
commit 26f047ce78
1 changed files with 8 additions and 0 deletions
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8
gdb/remote.c
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@ -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 ());