Move liblttng-ust to 'src/lib/'

[lttng-ust.git] / src / lib / lttng-ust / tracelog.c

diff --git a/src/lib/lttng-ust/tracelog.c b/src/lib/lttng-ust/tracelog.c
new file mode 100644 (file)
index 0000000..735d04a
--- /dev/null
+++ b/src/lib/lttng-ust/tracelog.c
@@ -0,0 +1,89 @@
+/*
+ * SPDX-License-Identifier: MIT
+ *
+ * Copyright (C) 2013-2014 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ */
+
+#define _LGPL_SOURCE
+#include <stdio.h>
+#include "common/macros.h"
+
+#define TRACEPOINT_CREATE_PROBES
+#define TRACEPOINT_DEFINE
+#include "lttng-ust-tracelog-provider.h"
+
+#define TRACELOG_CB(level) \
+       static inline \
+       void __lttng_ust_vtracelog_##level(const char *file, \
+                       int line, const char *func, \
+                       const char *fmt, va_list ap) \
+               __attribute__((always_inline, format(printf, 4, 0))); \
+       \
+       static inline \
+       void __lttng_ust_vtracelog_##level(const char *file, \
+                       int line, const char *func, \
+                       const char *fmt, va_list ap) \
+       { \
+               char *msg; \
+               const int len = vasprintf(&msg, fmt, ap); \
+               \
+               /* len does not include the final \0 */ \
+               if (len < 0) \
+                       goto end; \
+               __tracepoint_cb_lttng_ust_tracelog___##level(file, \
+                       line, func, msg, len, \
+                       LTTNG_UST_CALLER_IP()); \
+               free(msg); \
+       end: \
+               return; \
+       } \
+       \
+       void _lttng_ust_vtracelog_##level(const char *file, \
+                       int line, const char *func, \
+                       const char *fmt, va_list ap) \
+               __attribute__ ((format(printf, 4, 0))); \
+       \
+       void _lttng_ust_vtracelog_##level(const char *file, \
+                       int line, const char *func, \
+                       const char *fmt, va_list ap); \
+       void _lttng_ust_vtracelog_##level(const char *file, \
+                       int line, const char *func, \
+                       const char *fmt, va_list ap) \
+       { \
+               __lttng_ust_vtracelog_##level(file, line, func, fmt, ap); \
+       } \
+       \
+       void _lttng_ust_tracelog_##level(const char *file, \
+                       int line, const char *func, \
+                       const char *fmt, ...) \
+               __attribute__ ((format(printf, 4, 5))); \
+       \
+       void _lttng_ust_tracelog_##level(const char *file, \
+                       int line, const char *func, \
+                       const char *fmt, ...); \
+       void _lttng_ust_tracelog_##level(const char *file, \
+                       int line, const char *func, \
+                       const char *fmt, ...) \
+       { \
+               va_list ap; \
+               \
+               va_start(ap, fmt); \
+               __lttng_ust_vtracelog_##level(file, line, func, fmt, ap); \
+               va_end(ap); \
+       }
+
+TRACELOG_CB(TRACE_EMERG)
+TRACELOG_CB(TRACE_ALERT)
+TRACELOG_CB(TRACE_CRIT)
+TRACELOG_CB(TRACE_ERR)
+TRACELOG_CB(TRACE_WARNING)
+TRACELOG_CB(TRACE_NOTICE)
+TRACELOG_CB(TRACE_INFO)
+TRACELOG_CB(TRACE_DEBUG_SYSTEM)
+TRACELOG_CB(TRACE_DEBUG_PROGRAM)
+TRACELOG_CB(TRACE_DEBUG_PROCESS)
+TRACELOG_CB(TRACE_DEBUG_MODULE)
+TRACELOG_CB(TRACE_DEBUG_UNIT)
+TRACELOG_CB(TRACE_DEBUG_FUNCTION)
+TRACELOG_CB(TRACE_DEBUG_LINE)
+TRACELOG_CB(TRACE_DEBUG)