/*
- * Copyright (c) 2008, 2009 Nicira Networks.
+ * Copyright (c) 2008, 2009, 2010 Nicira Networks.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
#include <stdbool.h>
#include <time.h>
#include "util.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
/* Logging importance levels. */
#define VLOG_LEVELS \
struct vlog_rate_limit *, const char *, ...)
__attribute__((format(printf, 4, 5)));
-/* Convenience macros. To use these, define THIS_MODULE as a macro that
- * expands to the module used by the current source file, e.g.
- * #include "vlog.h"
- * #define THIS_MODULE VLM_netlink
+/* Defines THIS_MODULE as MODULE, for use with the convenience macros below. */
+#define VLOG_DEFINE_THIS_MODULE(MODULE) enum { THIS_MODULE = VLM_##MODULE };
+
+/* Convenience macros. These assume that THIS_MODULE is defined as the current
+ * module, as set up by e.g. the VLOG_DEFINE_MODULE macro above.
+ *
* Guaranteed to preserve errno.
*/
#define VLOG_EMER(...) VLOG(VLL_EMER, __VA_ARGS__)
} \
} while (0)
extern enum vlog_level min_vlog_levels[VLM_N_MODULES];
+
+#ifdef __cplusplus
+}
+#endif
#endif /* vlog.h */