[vdagent-win PATCH v4 11/19] Allocate _control_event and _stop_event just once

[Frediano Ziglio <fziglio@xxxxxxxxxx>]

Handle _control_event and _stop_event destruction in destructor.
Still allows to call VDAgent::run multiple time if needed.

Signed-off-by: Frediano Ziglio <fziglio@xxxxxxxxxx>
---
 vdagent/vdagent.cpp | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/vdagent/vdagent.cpp b/vdagent/vdagent.cpp
index 0672516..def3508 100644
--- a/vdagent/vdagent.cpp
+++ b/vdagent/vdagent.cpp
@@ -222,6 +222,8 @@ VDAgent::VDAgent()
 
 VDAgent::~VDAgent()
 {
+    CloseHandle(_stop_event);
+    CloseHandle(_control_event);
     delete _log;
 }
 
@@ -283,13 +285,18 @@ bool VDAgent::run()
             return false;
         }
     }
-    _control_event = CreateEvent(NULL, FALSE, FALSE, NULL);
+    if (!_control_event)
+        _control_event = CreateEvent(NULL, FALSE, FALSE, NULL);
     if (!_control_event) {
         vd_printf("CreateEvent() failed: %lu", GetLastError());
         cleanup();
         return false;
     }
-    _stop_event = OpenEvent(SYNCHRONIZE, FALSE, VD_AGENT_STOP_EVENT);
+    ResetEvent(_control_event);
+
+    if (!_stop_event)
+        _stop_event = OpenEvent(SYNCHRONIZE, FALSE, VD_AGENT_STOP_EVENT);
+
     memset(&wcls, 0, sizeof(wcls));
     wcls.lpfnWndProc = &VDAgent::wnd_proc;
     wcls.lpszClassName = VD_AGENT_WINCLASS_NAME;
@@ -336,8 +343,6 @@ bool VDAgent::run()
 
 void VDAgent::cleanup()
 {
-    CloseHandle(_stop_event);
-    CloseHandle(_control_event);
     CloseHandle(_vio_serial);
 }
 
-- 
2.17.1

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