[Lldb-commits] [PATCH] D100206: [lldb] [llgs client] Support minimal fork/vfork handling

[Michał Górny via Phabricator via lldb-commits]

mgorny updated this revision to Diff 336669.
mgorny added a comment.

Base class `Did*Fork()` definitions have been moved to the earlier patch.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D100206/new/

https://reviews.llvm.org/D100206

Files:
  lldb/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp
  lldb/source/Plugins/Process/gdb-remote/ProcessGDBRemote.h


Index: lldb/source/Plugins/Process/gdb-remote/ProcessGDBRemote.h
===================================================================
--- lldb/source/Plugins/Process/gdb-remote/ProcessGDBRemote.h
+++ lldb/source/Plugins/Process/gdb-remote/ProcessGDBRemote.h
@@ -230,6 +230,9 @@
   std::string HarmonizeThreadIdsForProfileData(
       StringExtractorGDBRemote &inputStringExtractor);
 
+  void DidFork(lldb::pid_t child_pid, lldb::tid_t child_tid) override;
+  void DidVFork(lldb::pid_t child_pid, lldb::tid_t child_tid) override;
+
 protected:
   friend class ThreadGDBRemote;
   friend class GDBRemoteCommunicationClient;
Index: lldb/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp
===================================================================
--- lldb/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp
+++ lldb/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp
@@ -5436,3 +5436,29 @@
         GetTarget().GetDebugger().GetCommandInterpreter());
   return m_command_sp.get();
 }
+
+void ProcessGDBRemote::DidFork(lldb::pid_t child_pid, lldb::tid_t child_tid) {
+  Log *log(ProcessGDBRemoteLog::GetLogIfAllCategoriesSet(GDBR_LOG_PROCESS));
+
+  LLDB_LOG(log, "Detaching forked child {0}", child_pid);
+  Status error = m_gdb_comm.Detach(false, child_pid);
+  if (error.Fail()) {
+      LLDB_LOG(log,
+               "ProcessGDBRemote::DidFork() detach packet send failed: {0}",
+                error.AsCString() ? error.AsCString() : "<unknown error>");
+      return;
+  }
+}
+
+void ProcessGDBRemote::DidVFork(lldb::pid_t child_pid, lldb::tid_t child_tid) {
+  Log *log(ProcessGDBRemoteLog::GetLogIfAllCategoriesSet(GDBR_LOG_PROCESS));
+
+  LLDB_LOG(log, "Detaching forked child {0}", child_pid);
+  Status error = m_gdb_comm.Detach(false, child_pid);
+  if (error.Fail()) {
+      LLDB_LOG(log,
+               "ProcessGDBRemote::DidFork() detach packet send failed: {0}",
+                error.AsCString() ? error.AsCString() : "<unknown error>");
+      return;
+  }
+}


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