assert: store away assert msg before aborting, akin to glibc's __abort_msg

[elogind.git] / log.h

diff --git a/log.h b/log.h
index 628f5b8df378f317055021cfe9c1ca71dddc2b42..0fc1834f6ff77c10fb412eb80f5c7ba33d2cbf34 100644 (file)
--- a/log.h
+++ b/log.h
@@ -3,16 +3,65 @@
 #ifndef foologhfoo
 #define foologhfoo
 
+/***
+  This file is part of systemd.
+
+  Copyright 2010 Lennart Poettering
+
+  systemd is free software; you can redistribute it and/or modify it
+  under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 2 of the License, or
+  (at your option) any later version.
+
+  systemd 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 systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
 #include <syslog.h>
 
 #include "macro.h"
 
+typedef enum LogTarget{
+        LOG_TARGET_CONSOLE,
+        LOG_TARGET_SYSLOG,
+        LOG_TARGET_KMSG,
+        _LOG_TARGET_MAX,
+        _LOG_TARGET_INVALID = -1
+}  LogTarget;
+
+void log_set_target(LogTarget target);
+void log_set_max_level(int level);
+
+int log_set_target_from_string(const char *e);
+int log_set_max_level_from_string(const char *e);
+
+LogTarget log_get_target(void);
+int log_get_max_level(void);
+
+void log_close_kmsg(void);
+int log_open_kmsg(void);
+void log_close_syslog(void);
+int log_open_syslog(void);
+
+void log_parse_environment(void);
+
 void log_meta(
         int level,
         const char*file,
         int line,
         const char *func,
-        const char *format, ...) __printf_attr(5,6);
+        const char *format, ...) _printf_attr(5,6);
+
+_noreturn void log_assert(
+        const char*file,
+        int line,
+        const char *func,
+        const char *format, ...) _printf_attr(4,5);
 
 #define log_debug(...)   log_meta(LOG_DEBUG,   __FILE__, __LINE__, __func__, __VA_ARGS__)
 #define log_info(...)    log_meta(LOG_INFO,    __FILE__, __LINE__, __func__, __VA_ARGS__)
@@ -20,4 +69,7 @@ void log_meta(
 #define log_warning(...) log_meta(LOG_WARNING, __FILE__, __LINE__, __func__, __VA_ARGS__)
 #define log_error(...)   log_meta(LOG_ERR,     __FILE__, __LINE__, __func__, __VA_ARGS__)
 
+const char *log_target_to_string(LogTarget target);
+LogTarget log_target_from_string(const char *s);
+
 #endif