Merge pull request #2314 from Jehan/wip/Jehan/fix-openblas-crash

Fix usage of TerminateThread() causing critical section corruption.

driver/others/blas_server_win32.c

@@ -462,11 +462,15 @@ int BLASFUNC(blas_thread_shutdown)(void){
 
     for(i = 0; i < blas_num_threads - 1; i++){
       // Could also just use WaitForMultipleObjects
-      WaitForSingleObject(blas_threads[i], 5);  //INFINITE);
+      DWORD wait_thread_value = WaitForSingleObject(blas_threads[i], 5000);
+
 #ifndef OS_WINDOWSSTORE
-// TerminateThread is only available with WINAPI_DESKTOP and WINAPI_SYSTEM not WINAPI_APP in UWP
-      TerminateThread(blas_threads[i],0);
+      // TerminateThread is only available with WINAPI_DESKTOP and WINAPI_SYSTEM not WINAPI_APP in UWP
+      if (WAIT_OBJECT_0 != wait_thread_value) {
+        TerminateThread(blas_threads[i],0);
+      }
 #endif
+
       CloseHandle(blas_threads[i]);
     }