#ifndef _ERROR_H
#define _ERROR_H
-#include <errno.h>
+#include <common/compat/errno.h>
#include <stdio.h>
#include <stdint.h>
#include <string.h>
#include <stdbool.h>
#include <urcu/tls-compat.h>
#include <common/compat/time.h>
+#include <common/string-utils/format.h>
+#include <common/macros.h>
#ifndef _GNU_SOURCE
#error "lttng-tools error.h needs _GNU_SOURCE"
char str[19];
};
extern DECLARE_URCU_TLS(struct log_time, error_log_time);
+extern DECLARE_URCU_TLS(const char *, logger_thread_name);
extern int lttng_opt_quiet;
extern int lttng_opt_verbose;
} while (0)
/* Three level of debug. Use -v, -vv or -vvv for the levels */
-#define _ERRMSG(msg, type, fmt, args...) __lttng_print(type, msg \
- " - %s [%ld/%ld]: " fmt " (in %s() at " __FILE__ ":" XSTR(__LINE__) ")\n", \
- log_add_time(), (long) getpid(), (long) lttng_gettid(), ## args, __func__)
+#define _ERRMSG(msg, type, fmt, args...) \
+ do { \
+ if (caa_unlikely(__lttng_print_check_opt(type))) { \
+ char generic_name[MAX_INT_DEC_LEN(long) + \
+ MAX_INT_DEC_LEN(long)]; \
+ \
+ snprintf(generic_name, sizeof(generic_name), \
+ "%ld/%ld", (long) getpid(), \
+ (long) lttng_gettid()); \
+ \
+ __lttng_print(type, \
+ msg " - %s [%s]: " fmt \
+ " (in %s() at " __FILE__ \
+ ":" XSTR(__LINE__) ")\n", \
+ log_add_time(), \
+ URCU_TLS(logger_thread_name) ?: \
+ generic_name, \
+ ##args, __func__); \
+ } \
+ } while (0)
-#define _ERRMSG_NO_LOC(msg, type, fmt, args...) __lttng_print(type, msg \
- " - %s [%ld/%ld]: " fmt "\n", \
- log_add_time(), (long) getpid(), (long) lttng_gettid(), ## args)
+#define _ERRMSG_NO_LOC(msg, type, fmt, args...) \
+ do { \
+ if (caa_unlikely(__lttng_print_check_opt(type))) { \
+ char generic_name[MAX_INT_DEC_LEN(long) + \
+ MAX_INT_DEC_LEN(long)]; \
+ \
+ snprintf(generic_name, sizeof(generic_name), \
+ "%ld/%ld", (long) getpid(), \
+ (long) lttng_gettid()); \
+ \
+ __lttng_print(type, msg " - %s [%s]: " fmt "\n", \
+ log_add_time(), \
+ URCU_TLS(logger_thread_name) ?: \
+ generic_name, \
+ ##args); \
+ } \
+ } while (0)
#define MSG(fmt, args...) \
__lttng_print(PRINT_MSG, fmt "\n", ## args)
#define BUG(fmt, args...) _ERRMSG("BUG", PRINT_BUG, fmt, ## args)
-#define DBG(fmt, args...) _ERRMSG("DEBUG1", PRINT_DBG, fmt, ## args)
-#define DBG_NO_LOC(fmt, args...) _ERRMSG_NO_LOC("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 DBG(fmt, args...) _ERRMSG("DBG1", PRINT_DBG, fmt, ## args)
+#define DBG_NO_LOC(fmt, args...) _ERRMSG_NO_LOC("DBG1", PRINT_DBG, fmt, ## args)
+#define DBG2(fmt, args...) _ERRMSG("DBG2", PRINT_DBG2, fmt, ## args)
+#define DBG3(fmt, args...) _ERRMSG("DBG3", PRINT_DBG3, fmt, ## args)
#define LOG(type, fmt, args...) \
do { \
switch (type) { \
/*
* Version using XSI strerror_r.
*/
-#define PERROR(call, args...) \
- do { \
- char buf[200]; \
- strerror_r(errno, buf, sizeof(buf)); \
- _PERROR(call ": %s", ## args, buf); \
- } while(0);
+#define PERROR(call, args...) \
+ do { \
+ char _perror_buf[200]; \
+ strerror_r(errno, _perror_buf, sizeof(_perror_buf)); \
+ _PERROR(call ": %s", ##args, _perror_buf); \
+ } while (0);
#else
/*
* Version using GNU strerror_r, for linux with appropriate defines.
*/
-#define PERROR(call, args...) \
- do { \
- char *buf; \
- char tmp[200]; \
- buf = strerror_r(errno, tmp, sizeof(tmp)); \
- _PERROR(call ": %s", ## args, buf); \
- } while(0);
+#define PERROR(call, args...) \
+ do { \
+ char *_perror_buf; \
+ char _perror_tmp[200]; \
+ _perror_buf = strerror_r( \
+ errno, _perror_tmp, sizeof(_perror_tmp)); \
+ _PERROR(call ": %s", ##args, _perror_buf); \
+ } while (0);
#endif
const char *error_get_str(int32_t code);
* the caller. On error, an empty string is returned thus no time will be
* printed in the log.
*/
-const char *log_add_time();
+const char *log_add_time(void);
+
+/* Name must be a statically-allocated string. */
+LTTNG_HIDDEN
+void logger_set_thread_name(const char *name, bool set_pthread_name);
#endif /* _ERROR_H */