4350408e6aa3fb8159721a90d29e54d85d75a027
2 * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License, version 2 only,
6 * as published by the Free Software Foundation.
8 * This program is distributed in the hope that it will be useful, but WITHOUT
9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
13 * You should have received a copy of the GNU General Public License along
14 * with this program; if not, write to the Free Software Foundation, Inc.,
15 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
26 #error "lttng-tools error.h needs _GNU_SOURCE"
29 /* Stringify the expansion of a define */
30 #define XSTR(d) STR(d)
33 extern int lttng_opt_quiet
;
34 extern int lttng_opt_verbose
;
37 #define PRINT_WARN 0x2
40 #define PRINT_DBG 0x10
41 #define PRINT_DBG2 0x20
42 #define PRINT_DBG3 0x30
45 * Macro for printing message depending on command line option and verbosity.
47 #define __lttng_print(type, fmt, args...) \
49 if (lttng_opt_quiet == 0 && type == PRINT_MSG) { \
50 fprintf(stdout, fmt, ## args); \
51 } else if (lttng_opt_quiet == 0 && \
52 (((type & PRINT_DBG) && lttng_opt_verbose == 1) || \
53 ((type & (PRINT_DBG | PRINT_DBG2)) && \
54 lttng_opt_verbose == 2) || \
55 ((type & (PRINT_DBG | PRINT_DBG2 | PRINT_DBG3)) && \
56 lttng_opt_verbose == 3))) { \
57 fprintf(stderr, fmt, ## args); \
58 } else if (lttng_opt_quiet == 0 && (type & (PRINT_WARN))) { \
59 fprintf(stderr, fmt, ## args); \
60 } else if (type & (PRINT_ERR | PRINT_BUG)) { \
61 fprintf(stderr, fmt, ## args); \
65 #define MSG(fmt, args...) \
66 __lttng_print(PRINT_MSG, fmt "\n", ## args)
67 #define _MSG(fmt, args...) \
68 __lttng_print(PRINT_MSG, fmt, ## args)
69 #define ERR(fmt, args...) \
70 __lttng_print(PRINT_ERR, "Error: " fmt "\n", ## args)
71 #define WARN(fmt, args...) \
72 __lttng_print(PRINT_WARN, "Warning: " fmt "\n", ## args)
73 #define BUG(fmt, args...) \
74 __lttng_print(PRINT_BUG, "BUG: " fmt "\n", ## args)
76 /* Three level of debug. Use -v, -vv or -vvv for the levels */
77 #define DBG(fmt, args...) __lttng_print(PRINT_DBG, "DEBUG1: " fmt \
78 " [in %s() at " __FILE__ ":" XSTR(__LINE__) "]\n", ## args, __func__)
79 #define DBG2(fmt, args...) __lttng_print(PRINT_DBG2, "DEBUG2: " fmt \
80 " [in %s() at " __FILE__ ":" XSTR(__LINE__) "]\n", ## args, __func__)
81 #define DBG3(fmt, args...) __lttng_print(PRINT_DBG3, "DEBUG3: " fmt \
82 " [in %s() at " __FILE__ ":" XSTR(__LINE__) "]\n", ## args, __func__)
84 #define _PERROR(fmt, args...) \
85 __lttng_print(PRINT_ERR, "PERROR: " fmt \
86 " [in %s() at " __FILE__ ":" XSTR(__LINE__) "]\n", ## args, __func__)
88 #if !defined(__linux__) || ((_POSIX_C_SOURCE >= 200112L || _XOPEN_SOURCE >= 600) && !defined(_GNU_SOURCE))
91 * Version using XSI strerror_r.
93 #define PERROR(call, args...) \
96 strerror_r(errno, buf, sizeof(buf)); \
97 _PERROR(call ": %s", ## args, buf); \
101 * Version using GNU strerror_r, for linux with appropriate defines.
103 #define PERROR(call, args...) \
107 buf = strerror_r(errno, tmp, sizeof(tmp)); \
108 _PERROR(call ": %s", ## args, buf); \
112 #endif /* _ERROR_H */
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