[lldb][AIX] Added Kill() implementation

lldb/source/Plugins/Process/AIX/NativeProcessAIX.cpp

@@ -187,7 +187,44 @@ Status NativeProcessAIX::Signal(int signo) { return Status("unsupported"); }
 
 Status NativeProcessAIX::Interrupt() { return Status("unsupported"); }
 
-Status NativeProcessAIX::Kill() { return Status("unsupported"); }
+Status NativeProcessAIX::Kill() {
+
+ Log *log = GetLog(POSIXLog::Process);
+ LLDB_LOG(log, "pid {0}", GetID());
+
+ Status error;
+
+ switch (m_state) {
+ case StateType::eStateInvalid:
+ case StateType::eStateExited:
+ case StateType::eStateCrashed:
+ case StateType::eStateDetached:
+ case StateType::eStateUnloaded:
+ // Nothing to do - the process is already dead.
+ LLDB_LOG(log, "ignored for PID {0} due to current state: {1}", GetID(),
+ m_state);
+ return error;
+
+ case StateType::eStateConnected:
+ case StateType::eStateAttaching:
+ case StateType::eStateLaunching:
+ case StateType::eStateStopped:
+ case StateType::eStateRunning:
+ case StateType::eStateStepping:
+ case StateType::eStateSuspended:
+ // We can try to kill a process in these states.
+ break;
+ }
+
+ llvm::Expected<int> result =
+ PtraceWrapper(PT_KILL, GetID(), nullptr, nullptr, 0);
+ if (!result) {
+ std::string error_string = std::string("Kill failed for process. error: ") +
+ llvm::toString(result.takeError());
+ error.FromErrorString(error_string.c_str());
+ }
+ return error;
+}
 
 Status NativeProcessAIX::ReadMemory(lldb::addr_t addr, void *buf, size_t size,
  size_t &bytes_read) {
@@ -237,6 +274,7 @@ llvm::Expected<int> NativeProcessAIX::PtraceWrapper(int req, lldb::pid_t pid,
  switch (req) {
  case PT_ATTACH:
  case PT_DETACH:
+ case PT_KILL:
  ret = ptrace64(req, pid, 0, 0, nullptr);
  break;
  default: