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[wxWidgets.git] / src / os2 / thread.cpp

diff --git a/src/os2/thread.cpp b/src/os2/thread.cpp
index c292a0e61bce345396ecc6086945f330bccf631d..f4234f2d85a6500b9786c42e263a59fede7e44d6 100644 (file)
--- a/src/os2/thread.cpp
+++ b/src/os2/thread.cpp
@@ -6,7 +6,6 @@
 // Created:     04/22/98
 // RCS-ID:      $Id$
 // Copyright:   (c) Stefan Neis (2003)
-//
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
@@ -19,15 +18,19 @@
 
 #if wxUSE_THREADS
 
-#include <stdio.h>
+#include "wx/thread.h"
+
+#ifndef WX_PRECOMP
+    #include "wx/intl.h"
+    #include "wx/log.h"
+    #include "wx/app.h"
+    #include "wx/module.h"
+#endif //WX_PRECOMP
 
-#include "wx/app.h"
 #include "wx/apptrait.h"
-#include "wx/module.h"
-#include "wx/intl.h"
 #include "wx/utils.h"
-#include "wx/log.h"
-#include "wx/thread.h"
+
+#include <stdio.h>
 
 #define INCL_DOSSEMAPHORES
 #define INCL_DOSPROCESS
@@ -93,7 +96,8 @@ public:
     bool IsOk() const { return m_vMutex != NULL; }
 
     wxMutexError Lock() { return LockTimeout(SEM_INDEFINITE_WAIT); }
-    wxMutexError TryLock() { return LockTimeout(SEM_IMMEDIATE_RETURN); }
+    wxMutexError Lock(unsigned long ms) { return LockTimeout(ms); }
+    wxMutexError TryLock();
     wxMutexError Unlock();
 
 private:
@@ -124,6 +128,14 @@ wxMutexInternal::~wxMutexInternal()
     }
 }
 
+wxMutexError wxMutexInternal::TryLock()
+{
+    const wxMutexError rc = LockTimeout( SEM_IMMEDIATE_RETURN );
+
+    // we have a special return code for timeout in this case
+    return rc == wxMUTEX_TIMEOUT ? wxMUTEX_BUSY : rc;
+}
+
 wxMutexError wxMutexInternal::LockTimeout(ULONG ulMilliseconds)
 {
     APIRET                          ulrc;
@@ -133,6 +145,7 @@ wxMutexError wxMutexInternal::LockTimeout(ULONG ulMilliseconds)
     switch (ulrc)
     {
         case ERROR_TIMEOUT:
+            return wxMUTEX_TIMEOUT;
         case ERROR_TOO_MANY_SEM_REQUESTS:
             return wxMUTEX_BUSY;
 
@@ -381,11 +394,9 @@ private:
     unsigned int                    m_nPriority;  // thread priority in "wx" units
 };
 
-void wxThreadInternal::OS2ThreadStart(
-  void * pParam
-)
+void wxThreadInternal::OS2ThreadStart( void * pParam )
 {
-    DWORD                           dwRet;
+    DWORD dwRet;
     bool bWasCancelled;
 
     wxThread *pThread = (wxThread *)pParam;