code

Plugins/MqttClient/Source/DTMqtt/MqttC/OsWrapper.h

@@ -0,0 +1,28 @@
+// Copyright 2023 Dexter.Wan. All Rights Reserved. 
+// EMail: 45141961@qq.com
+
+#if !defined(OSWRAPPER_H)
+#define OSWRAPPER_H
+
+#if defined(_WRS_KERNEL)
+#include <time.h>
+
+#define lstat stat
+
+typedef unsigned long useconds_t;
+void usleep(useconds_t useconds);
+
+#define timersub(a, b, result) \
+	do \
+	{ \
+		(result)->tv_sec = (a)->tv_sec - (b)->tv_sec; \
+		(result)->tv_usec = (a)->tv_usec - (b)->tv_usec; \
+		if ((result)->tv_usec < 0) \
+		{ \
+			--(result)->tv_sec; \
+			(result)->tv_usec += 1000000L; \
+		} \
+	} while (0)
+#endif /* defined(_WRS_KERNEL) */
+
+#endif /* OSWRAPPER_H */