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/HostThreadWindows.cpp b/lldb/source/Host/windows/HostThreadWindows.cpp
index 25d5c72b4a4..2597fa29941 100644
--- a/lldb/source/Host/windows/HostThreadWindows.cpp
+++ b/lldb/source/Host/windows/HostThreadWindows.cpp
@@ -19,11 +19,13 @@ using namespace lldb_private;
 
 HostThreadWindows::HostThreadWindows()
     : HostNativeThreadBase()
+    , m_owns_handle(true)
 {
 }
 
 HostThreadWindows::HostThreadWindows(lldb::thread_t thread)
     : HostNativeThreadBase(thread)
+    , m_owns_handle(true)
 {
 }
 
@@ -32,6 +34,12 @@ HostThreadWindows::~HostThreadWindows()
     Reset();
 }
 
+void
+HostThreadWindows::SetOwnsHandle(bool owns)
+{
+    m_owns_handle = owns;
+}
+
 Error
 HostThreadWindows::Join(lldb::thread_result_t *result)
 {
@@ -75,7 +83,7 @@ HostThreadWindows::GetThreadId() const
 void
 HostThreadWindows::Reset()
 {
-    if (m_thread != LLDB_INVALID_HOST_THREAD)
+    if (m_owns_handle && m_thread != LLDB_INVALID_HOST_THREAD)
         ::CloseHandle(m_thread);
 
     HostNativeThreadBase::Reset();