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commit 168b125cfb12364ae9746f175f1a8a7b6fdd43fc
Author: ktietz70 <ktietz70@4407c894-4637-0410-b4f5-ada5f102cad1>
Date:   Mon Dec 6 15:32:52 2010 +0000

    Fix some test-cases
    
    
    git-svn-id: svn://svn.code.sf.net/p/mingw-w64/code/experimental@3845 4407c894-4637-0410-b4f5-ada5f102cad1

diff --git a/winpthreads/src/thread.c b/winpthreads/src/thread.c
index 113e024..1d8cbc9 100644
--- a/winpthreads/src/thread.c
+++ b/winpthreads/src/thread.c
@@ -708,14 +739,23 @@ int pthread_join(pthread_t t, void **res)
 
 int _pthread_tryjoin(pthread_t t, void **res)
 {
+    DWORD dwFlags;
     struct _pthread_v *tv = t;
+ 
+    if (!tv || tv->h == NULL || tv->h == INVALID_HANDLE_VALUE || !GetHandleInformation(tv->h, &dwFlags))
+      return ESRCH;
 
-    CHECK_THREAD(tv);
+    if ((tv->p_state & PTHREAD_CREATE_DETACHED) != 0)
+      return EINVAL;
     if (pthread_equal(pthread_self(), t)) return EDEADLK;
 
     pthread_testcancel();
 
-    if(WaitForSingleObject(tv->h, 0))return EBUSY;
+    if(tv->ended == 0 && WaitForSingleObject(tv->h, 0))
+    {
+      if (tv->ended == 0);
+        return EBUSY;
+    }
     CloseHandle(tv->h);
 
     /* Obtain return value */