/*
- * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
+ * Copyright (C) 2011 David Goulet <david.goulet@polymtl.ca>
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License, version 2 only,
- * as published by the Free Software Foundation.
+ * SPDX-License-Identifier: GPL-2.0-only
*
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef _ERROR_H
#include <stdio.h>
#include <stdint.h>
#include <string.h>
+#include <stdbool.h>
#include <urcu/tls-compat.h>
-#include <time.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"
#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
* every time a log is fired.
*/
struct log_time {
- /* Format: 00:00:00.000000 plus NULL byte. */
- char str[16];
+ /* Format: 00:00:00.000000000 plus NULL byte. */
+ 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;
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.
* 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 && lttng_opt_mi == 0 && \
- type == PRINT_MSG) { \
- fprintf(stdout, fmt, ## args); \
- } else if (lttng_opt_quiet == 0 && lttng_opt_mi == 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 \
- " - %s [%ld/%ld]: " fmt " (in %s() at " __FILE__ ":" XSTR(__LINE__) ")\n", \
- log_add_time(), (long) getpid(), (long) 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...) \
+ 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 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 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) { \
+ 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)
-#if !defined(__linux__) || ((_POSIX_C_SOURCE >= 200112L || _XOPEN_SOURCE >= 600) && !defined(_GNU_SOURCE))
+#if !defined(__GLIBC__) || ((_POSIX_C_SOURCE >= 200112L || _XOPEN_SOURCE >= 600) && !defined(_GNU_SOURCE))
/*
* Version using XSI strerror_r.
* 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 */
projects / lttng-tools.git / blobdiff