core: add catalog entry and MESSAGE_ID for overmounting

[elogind.git] / src / shared / log.h

diff --git a/src/shared/log.h b/src/shared/log.h
index b2f5f2a92060bf6a8242d908f73453e8cf819f8e..5c946faf514c669906d16b2dc357bb09be67e336 100644 (file)
--- a/src/shared/log.h
+++ b/src/shared/log.h
@@ -1,7 +1,6 @@
 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
 
-#ifndef foologhfoo
-#define foologhfoo
+#pragma once
 
 /***
   This file is part of systemd.
@@ -25,8 +24,10 @@
 #include <syslog.h>
 #include <stdbool.h>
 #include <stdarg.h>
+#include <errno.h>
 
 #include "macro.h"
+#include "sd-id128.h"
 
 typedef enum LogTarget{
         LOG_TARGET_CONSOLE,
@@ -36,6 +37,7 @@ typedef enum LogTarget{
         LOG_TARGET_SYSLOG,
         LOG_TARGET_SYSLOG_OR_KMSG,
         LOG_TARGET_AUTO, /* console if stderr is tty, JOURNAL_OR_KMSG otherwise */
+        LOG_TARGET_SAFE, /* console if stderr is tty, KMSG otherwise */
         LOG_TARGET_NULL,
         _LOG_TARGET_MAX,
         _LOG_TARGET_INVALID = -1
@@ -69,30 +71,51 @@ void log_close_console(void);
 void log_parse_environment(void);
 
 int log_meta(
-        int level,
-        const char*file,
-        int line,
-        const char *func,
-        const char *format, ...) _printf_attr_(5,6);
+                int level,
+                const char*file,
+                int line,
+                const char *func,
+                const char *format, ...) _printf_attr_(5,6);
 
 int log_metav(
-        int level,
-        const char*file,
-        int line,
-        const char *func,
-        const char *format,
-        va_list ap);
-
-_noreturn_ void log_assert_failed(const char *text, const char *file, int line, const char *func);
-_noreturn_ void log_assert_failed_unreachable(const char *text, const char *file, int line, const char *func);
+                int level,
+                const char*file,
+                int line,
+                const char *func,
+                const char *format,
+                va_list ap);
+
+int log_struct_internal(
+                int level,
+                const char *file,
+                int line,
+                const char *func,
+                const char *format, ...) _sentinel_;
+
+int log_oom_internal(
+                const char *file,
+                int line,
+                const char *func);
 
 /* This modifies the buffer passed! */
 int log_dump_internal(
-        int level,
-        const char*file,
-        int line,
-        const char *func,
-        char *buffer);
+                int level,
+                const char*file,
+                int line,
+                const char *func,
+                char *buffer);
+
+_noreturn_ void log_assert_failed(
+                const char *text,
+                const char *file,
+                int line,
+                const char *func);
+
+_noreturn_ void log_assert_failed_unreachable(
+                const char *text,
+                const char *file,
+                int line,
+                const char *func);
 
 #define log_full(level, ...) log_meta(level,   __FILE__, __LINE__, __func__, __VA_ARGS__)
 
@@ -102,10 +125,16 @@ int log_dump_internal(
 #define log_warning(...) log_meta(LOG_WARNING, __FILE__, __LINE__, __func__, __VA_ARGS__)
 #define log_error(...)   log_meta(LOG_ERR,     __FILE__, __LINE__, __func__, __VA_ARGS__)
 
+#define log_struct(level, ...) log_struct_internal(level, __FILE__, __LINE__, __func__, __VA_ARGS__)
+
+#define log_oom() log_oom_internal(__FILE__, __LINE__, __func__)
+
 /* This modifies the buffer passed! */
 #define log_dump(level, buffer) log_dump_internal(level, __FILE__, __LINE__, __func__, buffer)
 
+bool log_on_console(void);
+
 const char *log_target_to_string(LogTarget target);
 LogTarget log_target_from_string(const char *s);
 
-#endif
+#define MESSAGE_ID(x) "MESSAGE_ID=" SD_ID128_FORMAT_STR, SD_ID128_FORMAT_VAL(x)