/* SPDX-License-Identifier: LGPL-2.1+ */
#pragma once
-/***
- 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 Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 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
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
#include <stdarg.h>
#include <stdbool.h>
#include <stdlib.h>
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
void log_close(void);
void log_forget_fds(void);
-void log_close_syslog(void);
-void log_close_journal(void);
-void log_close_kmsg(void);
-void log_close_console(void);
-
void log_parse_environment_realm(LogRealm realm);
#define log_parse_environment() \
log_parse_environment_realm(LOG_REALM)
const char *extra,
const char *format, ...) _printf_(10,11);
-int log_object_internalv(
- int level,
- int error,
- 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_(10,0);
-
int log_struct_internal(
int level,
int error,
char *buffer);
/* Logging for various assertions */
-noreturn void log_assert_failed_realm(
+_noreturn_ void log_assert_failed_realm(
LogRealm realm,
const char *text,
const char *file,
#define log_assert_failed(text, ...) \
log_assert_failed_realm(LOG_REALM, (text), __VA_ARGS__)
-noreturn void log_assert_failed_unreachable_realm(
+_noreturn_ void log_assert_failed_unreachable_realm(
LogRealm realm,
const char *text,
const char *file,
/* Structured logging */
#define log_struct_errno(level, error, ...) \
log_struct_internal(LOG_REALM_PLUS_LEVEL(LOG_REALM, level), \
- error, __FILE__, __LINE__, __func__, __VA_ARGS__)
+ error, __FILE__, __LINE__, __func__, __VA_ARGS__, NULL)
#define log_struct(level, ...) log_struct_errno(level, 0, __VA_ARGS__)
#define log_struct_iovec_errno(level, error, iovec, n_iovec) \
void log_received_signal(int level, const struct signalfd_siginfo *si);
+/* If turned on, any requests for a log target involving "syslog" will be implicitly upgraded to the equivalent journal target */
void log_set_upgrade_syslog_to_journal(bool b);
+
+/* If turned on, and log_open() is called, we'll not use STDERR_FILENO for logging ever, but rather open /dev/console */
void log_set_always_reopen_console(bool b);
+
+/* If turned on, we'll open the log stream implicitly if needed on each individual log call. This is normally not
+ * desired as we want to reuse our logging streams. It is useful however */
void log_set_open_when_needed(bool b);
+/* If turned on, then we'll never use IPC-based logging, i.e. never log to syslog or the journal. We'll only log to
+ * stderr, the console or kmsg */
+void log_set_prohibit_ipc(bool b);
+
+int log_dup_console(void);
+
int log_syntax_internal(
const char *unit,
int level,