Decouple ProcessWindows from the Windows debug driver thread.

In the llgs world, ProcessWindows will eventually go away and
we'll implement a different protocol.  This patch decouples
ProcessWindows from the core debug loop so that this transition
will not be more difficult than it needs to be.

llvm-svn: 221405

1 files changed, 9 insertions, 1 deletions

diff --git a/lldb/source/Host/windows/HostProcessWindows.cpp b/lldb/source/Host/windows/HostProcessWindows.cpp
index c42bc555906..d8e407c667a 100644
--- a/lldb/source/Host/windows/HostProcessWindows.cpp
+++ b/lldb/source/Host/windows/HostProcessWindows.cpp
@@ -31,11 +31,13 @@ struct MonitorInfo
 
 HostProcessWindows::HostProcessWindows()
     : HostNativeProcessBase()
+    , m_owns_handle(true)
 {
 }
 
 HostProcessWindows::HostProcessWindows(lldb::process_t process)
     : HostNativeProcessBase(process)
+    , m_owns_handle(true)
 {
 }
 
@@ -44,6 +46,12 @@ HostProcessWindows::~HostProcessWindows()
     Close();
 }
 
+void
+HostProcessWindows::SetOwnsHandle(bool owns)
+{
+    m_owns_handle = owns;
+}
+
 Error HostProcessWindows::Terminate()
 {
     Error error;
@@ -123,7 +131,7 @@ HostProcessWindows::MonitorThread(void *thread_arg)
 
 void HostProcessWindows::Close()
 {
-    if (m_process != LLDB_INVALID_PROCESS)
+    if (m_owns_handle && m_process != LLDB_INVALID_PROCESS)
         ::CloseHandle(m_process);
     m_process = nullptr;
 }