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-rw-r--r--win/tclWinSock.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/win/tclWinSock.c b/win/tclWinSock.c
index 328198b..050564d 100644
--- a/win/tclWinSock.c
+++ b/win/tclWinSock.c
@@ -659,12 +659,13 @@ TclpFinalizeSockets()
if (tsdPtr != NULL) {
if (tsdPtr->socketThread != NULL) {
if (tsdPtr->hwnd != NULL) {
- PostMessage(tsdPtr->hwnd, SOCKET_TERMINATE, 0, 0);
- /*
- * Wait for the thread to exit. This ensures that we are
- * completely cleaned up before we leave this function.
- */
- WaitForSingleObject(tsdPtr->readyEvent, INFINITE);
+ if (PostMessage(tsdPtr->hwnd, SOCKET_TERMINATE, 0, 0)) {
+ /*
+ * Wait for the thread to exit. This ensures that we are
+ * completely cleaned up before we leave this function.
+ */
+ WaitForSingleObject(tsdPtr->readyEvent, INFINITE);
+ }
tsdPtr->hwnd = NULL;
}
CloseHandle(tsdPtr->socketThread);