-#ifndef _USTERR_SIGNAL_SAFE_H
-#define _USTERR_SIGNAL_SAFE_H
-
/*
- * Copyright (C) 2009 Pierre-Marc Fournier
- * Copyright (C) 2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; version 2.1 of
- * the License.
+ * SPDX-License-Identifier: LGPL-2.1-only
*
- * This library 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
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ * Copyright (C) 2009 Pierre-Marc Fournier
+ * Copyright (C) 2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
*/
+#ifndef _USTERR_SIGNAL_SAFE_H
+#define _USTERR_SIGNAL_SAFE_H
+
#include <string.h>
#include <sys/types.h>
#include <errno.h>
extern volatile enum ust_loglevel ust_loglevel;
void init_usterr(void);
+#ifdef LTTNG_UST_DEBUG
+static inline int ust_debug(void)
+{
+ return 1;
+}
+#else /* #ifdef LTTNG_UST_DEBUG */
static inline int ust_debug(void)
{
return ust_loglevel == UST_LOGLEVEL_DEBUG;
}
+#endif /* #else #ifdef LTTNG_UST_DEBUG */
#ifndef UST_COMPONENT
//#error UST_COMPONENT is undefined
extern int ust_safe_snprintf(char *str, size_t n, const char *fmt, ...)
__attribute__ ((format (printf, 3, 4)));
-static inline void __attribute__ ((format (printf, 1, 2)))
- __check_ust_safe_fmt(const char *fmt, ...)
-{
-}
-
/* Can't use dynamic allocation. Limit ourselves to USTERR_MAX_LEN chars. */
/* Add end of string in case of buffer overflow. */
#define sigsafe_print_err(fmt, args...) \
do { \
- char ____buf[USTERR_MAX_LEN]; \
- int ____saved_errno; \
- ____saved_errno = errno; /* signal-safety */ \
- ust_safe_snprintf(____buf, sizeof(____buf), fmt, ## args); \
- ____buf[sizeof(____buf) - 1] = 0; \
- patient_write(STDERR_FILENO, ____buf, strlen(____buf)); \
- errno = ____saved_errno; /* signal-safety */ \
+ if (ust_debug()) { \
+ char ____buf[USTERR_MAX_LEN]; \
+ int ____saved_errno; \
+ \
+ ____saved_errno = errno; /* signal-safety */ \
+ ust_safe_snprintf(____buf, sizeof(____buf), fmt, ## args); \
+ ____buf[sizeof(____buf) - 1] = 0; \
+ patient_write(STDERR_FILENO, ____buf, strlen(____buf)); \
+ errno = ____saved_errno; /* signal-safety */ \
+ fflush(stderr); \
+ } \
} while (0)
#define UST_STR_COMPONENT UST_XSTR(UST_COMPONENT)
#define ERRMSG(fmt, args...) \
do { \
- sigsafe_print_err(UST_STR_COMPONENT "[%ld/%ld]: " fmt " (in %s() at " __FILE__ ":" UST_XSTR(__LINE__) ")\n", \
+ sigsafe_print_err(UST_STR_COMPONENT "[%ld/%ld]: " fmt " (in %s() at " __FILE__ ":" UST_XSTR(__LINE__) ")\n", \
(long) getpid(), \
- (long) gettid(), \
+ (long) lttng_gettid(), \
## args, __func__); \
- fflush(stderr); \
} while(0)
-#ifdef LTTNG_UST_DEBUG
-# define DBG(fmt, args...) ERRMSG(fmt, ## args)
-# define DBG_raw(fmt, args...) \
- do { \
- sigsafe_print_err(fmt, ## args); \
- fflush(stderr); \
- } while(0)
-#else
-# define DBG(fmt, args...) \
- do { \
- if (ust_debug()) \
- ERRMSG(fmt, ## args); \
- } while (0)
-# define DBG_raw(fmt, args...) \
- do { \
- if (ust_debug()) { \
- sigsafe_print_err(fmt, ## args); \
- fflush(stderr); \
- } \
- } while(0)
-#endif
-#define WARN(fmt, args...) ERRMSG("Warning: " fmt, ## args)
-#define ERR(fmt, args...) ERRMSG("Error: " fmt, ## args)
-#define BUG(fmt, args...) ERRMSG("BUG: " fmt, ## args)
-#if !defined(__linux__) || ((_POSIX_C_SOURCE >= 200112L || _XOPEN_SOURCE >= 600) && !defined(_GNU_SOURCE))
+#define DBG(fmt, args...) ERRMSG(fmt, ## args)
+#define DBG_raw(fmt, args...) sigsafe_print_err(fmt, ## args)
+#define WARN(fmt, args...) ERRMSG("Warning: " fmt, ## args)
+#define ERR(fmt, args...) ERRMSG("Error: " fmt, ## args)
+#define BUG(fmt, args...) ERRMSG("BUG: " fmt, ## args)
+
+#if !defined(__GLIBC__) || ((_POSIX_C_SOURCE >= 200112L || _XOPEN_SOURCE >= 600) && !defined(_GNU_SOURCE))
/*
* Version using XSI strerror_r.
*/
-#define PERROR(call, args...)\
- do { \
- char buf[200] = "Error in strerror_r()"; \
- strerror_r(errno, buf, sizeof(buf)); \
- ERRMSG("Error: " call ": %s", ## args, buf); \
- } while(0);
+#define PERROR(call, args...) \
+ do { \
+ if (ust_debug()) { \
+ char buf[200] = "Error in strerror_r()"; \
+ strerror_r(errno, buf, sizeof(buf)); \
+ ERRMSG("Error: " call ": %s", ## args, 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)); \
- ERRMSG("Error: " call ": %s", ## args, buf); \
- } while(0);
+#define PERROR(call, args...) \
+ do { \
+ if (ust_debug()) { \
+ char *buf; \
+ char tmp[200]; \
+ buf = strerror_r(errno, tmp, sizeof(tmp)); \
+ ERRMSG("Error: " call ": %s", ## args, buf); \
+ } \
+ } while(0)
#endif
#define BUG_ON(condition) \
projects / lttng-ust.git / blobdiff