nspawn: support ephemeral boots from images

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

diff --git a/src/basic/log.h b/src/basic/log.h
index 0a7acb98ec912078c19b0a5d6317e6a5baca0b18..9505192c78a1cf65ec00664545bb0d67107e74a7 100644 (file)
--- a/src/basic/log.h
+++ b/src/basic/log.h
@@ -1,5 +1,3 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
 #pragma once
 
 /***
@@ -26,6 +24,7 @@
 #include <stdbool.h>
 #include <stdlib.h>
 #include <sys/signalfd.h>
+#include <sys/socket.h>
 #include <syslog.h>
 
 #include "sd-id128.h"
@@ -36,10 +35,8 @@ typedef enum LogTarget{
         LOG_TARGET_CONSOLE,
         LOG_TARGET_CONSOLE_PREFIXED,
         LOG_TARGET_KMSG,
-#if 0 /// elogind does not support logging to systemd-journald
         LOG_TARGET_JOURNAL,
         LOG_TARGET_JOURNAL_OR_KMSG,
-#endif // 0
         LOG_TARGET_SYSLOG,
         LOG_TARGET_SYSLOG_OR_KMSG,
         LOG_TARGET_AUTO, /* console if stderr is tty, JOURNAL_OR_KMSG otherwise */
@@ -72,10 +69,9 @@ void log_close(void);
 #if 0 /// UNNEEDED by elogind
 void log_forget_fds(void);
 #endif // 0
+
 void log_close_syslog(void);
-#if 0 /// UNNEEDED by elogind
 void log_close_journal(void);
-#endif // 0
 void log_close_kmsg(void);
 void log_close_console(void);
 
@@ -106,18 +102,22 @@ int log_object_internal(
                 const char *func,
                 const char *object_field,
                 const char *object,
-                const char *format, ...) _printf_(8,9);
+                const char *extra_field,
+                const char *extra,
+                const char *format, ...) _printf_(10,11);
 
 int log_object_internalv(
                 int level,
                 int error,
-                const char*file,
+                const char *file,
                 int line,
                 const char *func,
                 const char *object_field,
                 const char *object,
+                const char *extra_field,
+                const char *extra,
                 const char *format,
-                va_list ap) _printf_(8,0);
+                va_list ap) _printf_(9,0);
 
 int log_struct_internal(
                 int level,
@@ -132,6 +132,15 @@ int log_oom_internal(
                 int line,
                 const char *func);
 
+int log_format_iovec(
+                struct iovec *iovec,
+                unsigned iovec_len,
+                unsigned *n,
+                bool newline_separator,
+                int error,
+                const char *format,
+                va_list ap);
+
 /* This modifies the buffer passed! */
 int log_dump_internal(
                 int level,
@@ -190,15 +199,14 @@ void log_assert_failed_return(
 #ifdef LOG_TRACE
 #  define log_trace(...) log_debug(__VA_ARGS__)
 #else
-#  define log_trace(...) do {} while(0)
+#  define log_trace(...) do {} while (0)
 #endif
 
 #ifdef ENABLE_DEBUG_ELOGIND
 #  define log_debug_elogind(...) log_debug(__VA_ARGS__);usleep(25*USEC_PER_MSEC)
 #else
-#  define log_debug_elogind(...) do {} while(0)
+#  define log_debug_elogind(...) do {} while (0)
 #endif // ENABLE_DEBUG_ELOGIND
-
 /* Structured logging */
 #define log_struct(level, ...) log_struct_internal(level, 0, __FILE__, __LINE__, __func__, __VA_ARGS__)
 #define log_struct_errno(level, error, ...) log_struct_internal(level, error, __FILE__, __LINE__, __func__, __VA_ARGS__)
@@ -213,9 +221,8 @@ bool log_on_console(void) _pure_;
 const char *log_target_to_string(LogTarget target) _const_;
 LogTarget log_target_from_string(const char *s) _pure_;
 
-/* Helpers to prepare various fields for structured logging */
+/* Helper to prepare various field for structured logging */
 #define LOG_MESSAGE(fmt, ...) "MESSAGE=" fmt, ##__VA_ARGS__
-#define LOG_MESSAGE_ID(x) "MESSAGE_ID=" SD_ID128_FORMAT_STR, SD_ID128_FORMAT_VAL(x)
 
 #if 0 /// UNNEEDED by elogind
 void log_received_signal(int level, const struct signalfd_siginfo *si);
@@ -251,5 +258,4 @@ int log_syntax_internal(
                         log_syntax_internal(unit, _level, config_file, config_line, 0, __FILE__, __LINE__, __func__, \
                                             "String is not UTF-8 clean, ignoring assignment: %s", strna(_p)); \
                 }                                                       \
-                -EINVAL;                                                \
         })