#include <stdio.h>
#include <stdint.h>
#include <string.h>
+#include <stdbool.h>
#include <urcu/tls-compat.h>
#include <time.h>
#include <lttng/lttng-error.h>
#include <common/compat/tid.h>
+/* Avoid conflict with Solaris <sys/regset.h> */
+#if defined(ERR) && defined(__sun__)
+#undef ERR
+#endif
+
/* Stringify the expansion of a define */
#define XSTR(d) STR(d)
#define STR(s) #s
extern int lttng_opt_quiet;
extern int lttng_opt_verbose;
+extern int lttng_opt_mi;
/* Error type. */
-#define PRINT_ERR 0x1
-#define PRINT_WARN 0x2
-#define PRINT_BUG 0x3
-#define PRINT_MSG 0x4
-#define PRINT_DBG 0x10
-#define PRINT_DBG2 0x20
-#define PRINT_DBG3 0x30
+enum lttng_error_level {
+ PRINT_ERR = 0,
+ PRINT_BUG = 1,
+ PRINT_WARN = 2,
+ PRINT_MSG = 3,
+ PRINT_DBG = 4,
+ PRINT_DBG2 = 5,
+ PRINT_DBG3 = 6,
+};
+
+static inline bool __lttng_print_check_opt(enum lttng_error_level type)
+{
+ /* lttng_opt_mi and lttng_opt_quiet. */
+ switch (type) {
+ case PRINT_DBG3:
+ case PRINT_DBG2:
+ case PRINT_DBG:
+ case PRINT_MSG:
+ if (lttng_opt_mi) {
+ return false;
+ }
+ /* Fall-through. */
+ case PRINT_WARN:
+ case PRINT_BUG:
+ case PRINT_ERR:
+ if (lttng_opt_quiet) {
+ return false;
+ }
+ }
+
+ /* lttng_opt_verbose */
+ switch (type) {
+ case PRINT_DBG3:
+ if (lttng_opt_verbose < 3) {
+ return false;
+ }
+ break;
+ case PRINT_DBG2:
+ if (lttng_opt_verbose < 2) {
+ return false;
+ }
+ break;
+ case PRINT_DBG:
+ if (lttng_opt_verbose < 1) {
+ return false;
+ }
+ break;
+ case PRINT_MSG:
+ case PRINT_WARN:
+ case PRINT_BUG:
+ case PRINT_ERR:
+ break;
+ }
+
+ return true;
+}
+
+void lttng_abort_on_error(void);
+
+static inline void __lttng_print_check_abort(enum lttng_error_level type)
+{
+ switch (type) {
+ case PRINT_DBG3:
+ case PRINT_DBG2:
+ case PRINT_DBG:
+ case PRINT_MSG:
+ case PRINT_WARN:
+ break;
+ case PRINT_BUG:
+ case PRINT_ERR:
+ lttng_abort_on_error();
+ }
+}
/*
* Macro for printing message depending on command line option and verbosity.
+ *
+ * Machine interface:
+ * We use lttng_opt_mi to suppress all normal msg to stdout. We don't
+ * want any nested msg to show up when printing mi to stdout(if it's the case).
+ * All warnings and errors should be printed to stderr as normal.
*/
-#define __lttng_print(type, fmt, args...) \
- do { \
- if (lttng_opt_quiet == 0 && type == PRINT_MSG) { \
- fprintf(stdout, fmt, ## args); \
- } else if (lttng_opt_quiet == 0 && \
- (((type & PRINT_DBG) && lttng_opt_verbose == 1) || \
- ((type & (PRINT_DBG | PRINT_DBG2)) && \
- lttng_opt_verbose == 2) || \
- ((type & (PRINT_DBG | PRINT_DBG2 | PRINT_DBG3)) && \
- lttng_opt_verbose == 3))) { \
- fprintf(stderr, fmt, ## args); \
- } else if (lttng_opt_quiet == 0 && (type & (PRINT_WARN))) { \
- fprintf(stderr, fmt, ## args); \
- } else if (type & (PRINT_ERR | PRINT_BUG)) { \
- fprintf(stderr, fmt, ## args); \
- } \
- } while (0);
+#define __lttng_print(type, fmt, args...) \
+ do { \
+ if (__lttng_print_check_opt(type)) { \
+ fprintf((type) == PRINT_MSG ? stdout : stderr, fmt, ## args); \
+ } \
+ __lttng_print_check_abort(type); \
+ } while (0)
/* Three level of debug. Use -v, -vv or -vvv for the levels */
#define _ERRMSG(msg, type, fmt, args...) __lttng_print(type, msg \
#define ERR(fmt, args...) \
__lttng_print(PRINT_ERR, "Error: " fmt "\n", ## args)
#define WARN(fmt, args...) \
- __lttng_print(PRINT_ERR, "Warning: " fmt "\n", ## args)
+ __lttng_print(PRINT_WARN, "Warning: " fmt "\n", ## args)
#define BUG(fmt, args...) _ERRMSG("BUG", PRINT_BUG, fmt, ## args)
#define DBG(fmt, args...) _ERRMSG("DEBUG1", PRINT_DBG, fmt, ## args)
#define DBG2(fmt, args...) _ERRMSG("DEBUG2", PRINT_DBG2, fmt, ## args)
#define DBG3(fmt, args...) _ERRMSG("DEBUG3", PRINT_DBG3, fmt, ## args)
+#define LOG(type, fmt, args...) \
+ do { \
+ switch (type) { \
+ case PRINT_ERR: \
+ ERR(fmt, ## args); \
+ break; \
+ case PRINT_WARN: \
+ WARN(fmt, ## args); \
+ break; \
+ case PRINT_BUG: \
+ BUG(fmt, ## args); \
+ break; \
+ case PRINT_MSG: \
+ MSG(fmt, ## args); \
+ break; \
+ case PRINT_DBG: \
+ DBG(fmt, ## args); \
+ break; \
+ case PRINT_DBG2: \
+ DBG2(fmt, ## args); \
+ break; \
+ case PRINT_DBG3: \
+ DBG3(fmt, ## args); \
+ break; \
+ default: \
+ assert(0); \
+ } \
+ } while(0);
#define _PERROR(fmt, args...) _ERRMSG("PERROR", PRINT_ERR, fmt, ## args)