Add ifdef guards

include/lo2s/monitor/process_monitor.hpp

@@ -22,7 +22,9 @@
 #pragma once
 #include <lo2s/monitor/abstract_process_monitor.hpp>
 #include <lo2s/monitor/main_monitor.hpp>
+#ifdef HAVE_BPF
 #include <lo2s/monitor/posix_monitor.hpp>
+#endif
 #include <lo2s/monitor/scope_monitor.hpp>
 #include <lo2s/process_info.hpp>
 
@@ -54,7 +56,9 @@ class ProcessMonitor : public AbstractProcessMonitor, public MainMonitor
 
 private:
  std::map<Thread, ScopeMonitor> threads_;
+#ifdef HAVE_BPF
  std::unique_ptr<PosixMonitor> posix_monitor_;
+#endif
 };
 } // namespace monitor
 } // namespace lo2s

src/monitor/process_monitor.cpp

@@ -31,11 +31,13 @@ namespace monitor
 
 ProcessMonitor::ProcessMonitor() : MainMonitor()
 {
+#ifdef HAVE_BPF
  if (config().use_posix_io)
  {
  posix_monitor_ = std::make_unique<PosixMonitor>(trace_);
  posix_monitor_->start();
  }
+#endif
  trace_.add_monitoring_thread(gettid(), "ProcessMonitor", "ProcessMonitor");
 }
 
@@ -48,10 +50,13 @@ void ProcessMonitor::insert_process(Process parent, Process process, std::string
 
 void ProcessMonitor::insert_thread(Process process, Thread thread, std::string name, bool spawn)
 {
+
+#ifdef HAVE_BPF
  if (posix_monitor_)
  {
  posix_monitor_->insert_thread(thread);
  }
+#endif
  trace_.add_thread(thread, name);
 
  if (config().sampling)
@@ -88,10 +93,12 @@ void ProcessMonitor::update_process_name(Process process, const std::string& nam
 
 void ProcessMonitor::exit_thread(Thread thread)
 {
+#ifdef HAVE_BPF
  if (posix_monitor_)
  {
  posix_monitor_->exit_thread(thread);
  }
+#endif
  if (threads_.count(thread) != 0)
  {
  threads_.at(thread).stop();
@@ -105,11 +112,12 @@ ProcessMonitor::~ProcessMonitor()
  {
  thread.second.stop();
  }
-
+#ifdef HAVE_BPF
  if (posix_monitor_)
  {
  posix_monitor_->stop();
  }
+#endif
 }
 } // namespace monitor
 } // namespace lo2s