Milestone 5: deliver embedded RDP sessions and lifecycle hardening

third_party/FreeRDP/winpr/libwinpr/thread/test/TestThreadExitThread.c

@@ -0,0 +1,53 @@
+// Copyright © 2015 Hewlett-Packard Development Company, L.P.
+
+#include <winpr/file.h>
+#include <winpr/synch.h>
+#include <winpr/thread.h>
+
+static DWORD WINAPI thread_func(LPVOID arg)
+{
+	WINPR_UNUSED(arg);
+
+	/* exists of the thread the quickest as possible */
+	ExitThread(0);
+	return 0;
+}
+
+int TestThreadExitThread(int argc, char* argv[])
+{
+	HANDLE thread = nullptr;
+	DWORD waitResult = 0;
+
+	WINPR_UNUSED(argc);
+	WINPR_UNUSED(argv);
+
+	/* FIXME: create some noise to better guaranty the test validity and
+	 * decrease the number of loops */
+	for (int i = 0; i < 100; i++)
+	{
+		thread = CreateThread(nullptr, 0, thread_func, nullptr, 0, nullptr);
+
+		if (thread == INVALID_HANDLE_VALUE)
+		{
+			(void)fprintf(stderr, "Got an invalid thread!\n");
+			return -1;
+		}
+
+		waitResult = WaitForSingleObject(thread, 300);
+		if (waitResult != WAIT_OBJECT_0)
+		{
+			/* When the thread exits before the internal thread_list
+			 * was updated, ExitThread() is not able to retrieve the
+			 * related WINPR_THREAD object and is not able to signal
+			 * the end of the thread. Therefore WaitForSingleObject
+			 * never get the signal.
+			 */
+			(void)fprintf(
+			    stderr, "300ms should have been enough for the thread to be in a signaled state\n");
+			return -1;
+		}
+
+		(void)CloseHandle(thread);
+	}
+	return 0;
+}