aboutsummaryrefslogtreecommitdiff
path: root/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunication.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunication.cpp')
-rw-r--r--lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunication.cpp87
1 files changed, 1 insertions, 86 deletions
diff --git a/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunication.cpp b/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunication.cpp
index 4ce79da..5c8dd03 100644
--- a/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunication.cpp
+++ b/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunication.cpp
@@ -81,11 +81,6 @@ GDBRemoteCommunication::~GDBRemoteCommunication() {
if (m_decompression_scratch)
free (m_decompression_scratch);
#endif
-
- // Stop the communications read thread which is used to parse all incoming
- // packets. This function will block until the read thread returns.
- if (m_read_thread_enabled)
- StopReadThread();
}
char GDBRemoteCommunication::CalculcateChecksum(llvm::StringRef payload) {
@@ -225,40 +220,7 @@ GDBRemoteCommunication::PacketResult
GDBRemoteCommunication::ReadPacket(StringExtractorGDBRemote &response,
Timeout<std::micro> timeout,
bool sync_on_timeout) {
- if (m_read_thread_enabled)
- return PopPacketFromQueue(response, timeout);
- else
- return WaitForPacketNoLock(response, timeout, sync_on_timeout);
-}
-
-// This function is called when a packet is requested.
-// A whole packet is popped from the packet queue and returned to the caller.
-// Packets are placed into this queue from the communication read thread. See
-// GDBRemoteCommunication::AppendBytesToCache.
-GDBRemoteCommunication::PacketResult
-GDBRemoteCommunication::PopPacketFromQueue(StringExtractorGDBRemote &response,
- Timeout<std::micro> timeout) {
- auto pred = [&] { return !m_packet_queue.empty() && IsConnected(); };
- // lock down the packet queue
- std::unique_lock<std::mutex> lock(m_packet_queue_mutex);
-
- if (!timeout)
- m_condition_queue_not_empty.wait(lock, pred);
- else {
- if (!m_condition_queue_not_empty.wait_for(lock, *timeout, pred))
- return PacketResult::ErrorReplyTimeout;
- if (!IsConnected())
- return PacketResult::ErrorDisconnected;
- }
-
- // get the front element of the queue
- response = m_packet_queue.front();
-
- // remove the front element
- m_packet_queue.pop();
-
- // we got a packet
- return PacketResult::Success;
+ return WaitForPacketNoLock(response, timeout, sync_on_timeout);
}
GDBRemoteCommunication::PacketResult
@@ -1287,53 +1249,6 @@ GDBRemoteCommunication::ScopedTimeout::~ScopedTimeout() {
m_gdb_comm.SetPacketTimeout(m_saved_timeout);
}
-// This function is called via the Communications class read thread when bytes
-// become available for this connection. This function will consume all
-// incoming bytes and try to parse whole packets as they become available. Full
-// packets are placed in a queue, so that all packet requests can simply pop
-// from this queue. Async notification packets will be dispatched immediately
-// to the ProcessGDBRemote Async thread via an event.
-void GDBRemoteCommunication::AppendBytesToCache(const uint8_t *bytes,
- size_t len, bool broadcast,
- lldb::ConnectionStatus status) {
- StringExtractorGDBRemote packet;
-
- while (true) {
- PacketType type = CheckForPacket(bytes, len, packet);
-
- // scrub the data so we do not pass it back to CheckForPacket on future
- // passes of the loop
- bytes = nullptr;
- len = 0;
-
- // we may have received no packet so lets bail out
- if (type == PacketType::Invalid)
- break;
-
- if (type == PacketType::Standard) {
- // scope for the mutex
- {
- // lock down the packet queue
- std::lock_guard<std::mutex> guard(m_packet_queue_mutex);
- // push a new packet into the queue
- m_packet_queue.push(packet);
- // Signal condition variable that we have a packet
- m_condition_queue_not_empty.notify_one();
- }
- }
-
- if (type == PacketType::Notify) {
- // put this packet into an event
- const char *pdata = packet.GetStringRef().data();
-
- // as the communication class, we are a broadcaster and the async thread
- // is tuned to listen to us
- BroadcastEvent(eBroadcastBitGdbReadThreadGotNotify,
- new EventDataBytes(pdata));
- }
- }
-}
-
void llvm::format_provider<GDBRemoteCommunication::PacketResult>::format(
const GDBRemoteCommunication::PacketResult &result, raw_ostream &Stream,
StringRef Style) {