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[lldb-dap] fix crash if disconnect request is not sent. #148878

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[lldb-dap] fix crash if disconnect request is not sent. #148878

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12 changes: 12 additions & 0 deletions lldb/tools/lldb-dap/DAP.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,7 @@
#include "lldb/lldb-defines.h"
#include "lldb/lldb-enumerations.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/ScopeExit.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/ADT/Twine.h"
#include "llvm/Support/Error.h"
Expand Down Expand Up @@ -224,6 +225,16 @@ llvm::Error DAP::ConfigureIO(std::FILE *overrideOut, std::FILE *overrideErr) {
void DAP::StopIO() {
out.Stop();
err.Stop();

if (event_thread.joinable()) {
broadcaster.BroadcastEventByType(eBroadcastBitStopEventThread);
event_thread.join();
}

if (progress_event_thread.joinable()) {
broadcaster.BroadcastEventByType(eBroadcastBitStopProgressThread);
progress_event_thread.join();
}
}

// Send the JSON in "json_str" to the "out" stream. Correctly send the
Expand Down Expand Up @@ -794,6 +805,7 @@ bool DAP::HandleObject(const llvm::json::Object &object) {
}

llvm::Error DAP::Loop() {
auto stop_io = llvm::make_scope_exit([this]() { StopIO(); });
while (!disconnecting) {
llvm::json::Object object;
lldb_dap::PacketStatus status = GetNextObject(object);
Expand Down
9 changes: 0 additions & 9 deletions lldb/tools/lldb-dap/lldb-dap.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1096,15 +1096,6 @@ void request_disconnect(DAP &dap, const llvm::json::Object &request) {
}
SendTerminatedEvent(dap);
dap.SendJSON(llvm::json::Value(std::move(response)));
if (dap.event_thread.joinable()) {
dap.broadcaster.BroadcastEventByType(eBroadcastBitStopEventThread);
dap.event_thread.join();
}
if (dap.progress_event_thread.joinable()) {
dap.broadcaster.BroadcastEventByType(eBroadcastBitStopProgressThread);
dap.progress_event_thread.join();
}
dap.StopIO();
dap.disconnecting = true;
}

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