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Diffstat (limited to 'ACE/ace/WIN32_Asynch_IO.cpp')
-rw-r--r--ACE/ace/WIN32_Asynch_IO.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/ACE/ace/WIN32_Asynch_IO.cpp b/ACE/ace/WIN32_Asynch_IO.cpp
index 7f3d9d6fbc4..1d42267843d 100644
--- a/ACE/ace/WIN32_Asynch_IO.cpp
+++ b/ACE/ace/WIN32_Asynch_IO.cpp
@@ -179,7 +179,7 @@ ACE_WIN32_Asynch_Operation::cancel (void)
int const result = (int) ::CancelIo (this->handle_);
#else
int const result = (int) ::CancelIoEx (this->handle_,
- NULL);
+ 0);
#endif /* _WIN32_WINNT < 0x0600 */
if (result == 0)