+/* SPDX-License-Identifier: LGPL-2.1+ */
#pragma once
/***
#include "sd-id128.h"
#include "macro.h"
+#include "process-util.h"
+
+typedef enum LogRealm {
+ LOG_REALM_SYSTEMD,
+ LOG_REALM_UDEV,
+ _LOG_REALM_MAX,
+} LogRealm;
+
+#ifndef LOG_REALM
+# define LOG_REALM LOG_REALM_SYSTEMD
+#endif
typedef enum LogTarget{
LOG_TARGET_CONSOLE,
LOG_TARGET_NULL,
_LOG_TARGET_MAX,
_LOG_TARGET_INVALID = -1
-} LogTarget;
+} LogTarget;
+
+#define LOG_REALM_PLUS_LEVEL(realm, level) \
+ ((realm) << 10 | (level))
+#define LOG_REALM_REMOVE_LEVEL(realm_level) \
+ ((realm_level >> 10))
void log_set_target(LogTarget target);
-void log_set_max_level(int level);
+void log_set_max_level_realm(LogRealm realm, int level);
+#define log_set_max_level(level) \
+ log_set_max_level_realm(LOG_REALM, (level))
+
void log_set_facility(int facility);
int log_set_target_from_string(const char *e);
-int log_set_max_level_from_string(const char *e);
+int log_set_max_level_from_string_realm(LogRealm realm, const char *e);
+#define log_set_max_level_from_string(e) \
+ log_set_max_level_from_string_realm(LOG_REALM, (e))
void log_show_color(bool b);
bool log_get_show_color(void) _pure_;
int log_show_location_from_string(const char *e);
LogTarget log_get_target(void) _pure_;
-int log_get_max_level(void) _pure_;
+int log_get_max_level_realm(LogRealm realm) _pure_;
+#define log_get_max_level() \
+ log_get_max_level_realm(LOG_REALM)
+
+/* Functions below that open and close logs or configure logging based on the
+ * environment should not be called from library code — this is always a job
+ * for the application itself.
+ */
int log_open(void);
void log_close(void);
void log_close_kmsg(void);
void log_close_console(void);
-void log_parse_environment(void);
+void log_parse_environment_realm(LogRealm realm);
+#define log_parse_environment() \
+ log_parse_environment_realm(LOG_REALM)
-int log_internal(
+int log_dispatch_internal(
+ int level,
+ int error,
+ const char *file,
+ int line,
+ const char *func,
+ const char *object_field,
+ const char *object,
+ const char *extra,
+ const char *extra_field,
+ char *buffer);
+
+int log_internal_realm(
int level,
int error,
const char *file,
int line,
const char *func,
const char *format, ...) _printf_(6,7);
+#define log_internal(level, ...) \
+ log_internal_realm(LOG_REALM_PLUS_LEVEL(LOG_REALM, (level)), __VA_ARGS__)
-int log_internalv(
+int log_internalv_realm(
int level,
int error,
const char *file,
const char *func,
const char *format,
va_list ap) _printf_(6,0);
+#define log_internalv(level, ...) \
+ log_internalv_realm(LOG_REALM_PLUS_LEVEL(LOG_REALM, (level)), __VA_ARGS__)
+/* Realm is fixed to LOG_REALM_SYSTEMD for those */
int log_object_internal(
int level,
int error,
const char *extra_field,
const char *extra,
const char *format,
- va_list ap) _printf_(9,0);
+ va_list ap) _printf_(10,0);
int log_struct_internal(
int level,
const char *format, ...) _printf_(6,0) _sentinel_;
int log_oom_internal(
+ LogRealm realm,
const char *file,
int line,
const char *func);
int log_format_iovec(
struct iovec *iovec,
- unsigned iovec_len,
- unsigned *n,
+ size_t iovec_len,
+ size_t *n,
bool newline_separator,
int error,
const char *format,
- va_list ap);
+ va_list ap) _printf_(6, 0);
+
+int log_struct_iovec_internal(
+ int level,
+ int error,
+ const char *file,
+ int line,
+ const char *func,
+ const struct iovec input_iovec[],
+ size_t n_input_iovec);
/* This modifies the buffer passed! */
int log_dump_internal(
char *buffer);
/* Logging for various assertions */
-noreturn void log_assert_failed(
+noreturn void log_assert_failed_realm(
+ LogRealm realm,
const char *text,
const char *file,
int line,
const char *func);
+#define log_assert_failed(text, ...) \
+ log_assert_failed_realm(LOG_REALM, (text), __VA_ARGS__)
-noreturn void log_assert_failed_unreachable(
+noreturn void log_assert_failed_unreachable_realm(
+ LogRealm realm,
const char *text,
const char *file,
int line,
const char *func);
+#define log_assert_failed_unreachable(text, ...) \
+ log_assert_failed_unreachable_realm(LOG_REALM, (text), __VA_ARGS__)
-void log_assert_failed_return(
+void log_assert_failed_return_realm(
+ LogRealm realm,
const char *text,
const char *file,
int line,
const char *func);
+#define log_assert_failed_return(text, ...) \
+ log_assert_failed_return_realm(LOG_REALM, (text), __VA_ARGS__)
+
+#define log_dispatch(level, error, buffer) \
+ log_dispatch_internal(level, error, __FILE__, __LINE__, __func__, NULL, NULL, NULL, NULL, buffer)
/* Logging with level */
-#define log_full_errno(level, error, ...) \
+#define log_full_errno_realm(realm, level, error, ...) \
({ \
int _level = (level), _e = (error); \
- (log_get_max_level() >= LOG_PRI(_level)) \
- ? log_internal(_level, _e, __FILE__, __LINE__, __func__, __VA_ARGS__) \
+ (log_get_max_level_realm((realm)) >= LOG_PRI(_level)) \
+ ? log_internal_realm(LOG_REALM_PLUS_LEVEL((realm), _level), _e, \
+ __FILE__, __LINE__, __func__, __VA_ARGS__) \
: -abs(_e); \
})
-#define log_full(level, ...) log_full_errno(level, 0, __VA_ARGS__)
+#define log_full_errno(level, error, ...) \
+ log_full_errno_realm(LOG_REALM, (level), (error), __VA_ARGS__)
+
+#define log_full(level, ...) log_full_errno((level), 0, __VA_ARGS__)
/* Normal logging */
#define log_debug(...) log_full(LOG_DEBUG, __VA_ARGS__)
#define log_notice(...) log_full(LOG_NOTICE, __VA_ARGS__)
#define log_warning(...) log_full(LOG_WARNING, __VA_ARGS__)
#define log_error(...) log_full(LOG_ERR, __VA_ARGS__)
-#define log_emergency(...) log_full(getpid() == 1 ? LOG_EMERG : LOG_ERR, __VA_ARGS__)
+#define log_emergency(...) log_full(getpid_cached() == 1 ? LOG_EMERG : LOG_ERR, __VA_ARGS__)
/* Logging triggered by an errno-like error */
#define log_debug_errno(error, ...) log_full_errno(LOG_DEBUG, error, __VA_ARGS__)
#define log_notice_errno(error, ...) log_full_errno(LOG_NOTICE, error, __VA_ARGS__)
#define log_warning_errno(error, ...) log_full_errno(LOG_WARNING, error, __VA_ARGS__)
#define log_error_errno(error, ...) log_full_errno(LOG_ERR, error, __VA_ARGS__)
-#define log_emergency_errno(error, ...) log_full_errno(getpid() == 1 ? LOG_EMERG : LOG_ERR, error, __VA_ARGS__)
+#define log_emergency_errno(error, ...) log_full_errno(getpid_cached() == 1 ? LOG_EMERG : LOG_ERR, error, __VA_ARGS__)
#ifdef LOG_TRACE
# define log_trace(...) log_debug(__VA_ARGS__)
#endif
/* 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__)
+#define log_struct_errno(level, error, ...) \
+ log_struct_internal(LOG_REALM_PLUS_LEVEL(LOG_REALM, level), \
+ error, __FILE__, __LINE__, __func__, __VA_ARGS__)
+#define log_struct(level, ...) log_struct_errno(level, 0, __VA_ARGS__)
+
+#define log_struct_iovec_errno(level, error, iovec, n_iovec) \
+ log_struct_iovec_internal(LOG_REALM_PLUS_LEVEL(LOG_REALM, level), \
+ error, __FILE__, __LINE__, __func__, iovec, n_iovec)
+#define log_struct_iovec(level, iovec, n_iovec) log_struct_iovec_errno(level, 0, iovec, n_iovec)
/* This modifies the buffer passed! */
-#define log_dump(level, buffer) log_dump_internal(level, 0, __FILE__, __LINE__, __func__, buffer)
+#define log_dump(level, buffer) \
+ log_dump_internal(LOG_REALM_PLUS_LEVEL(LOG_REALM, level), \
+ 0, __FILE__, __LINE__, __func__, buffer)
-#define log_oom() log_oom_internal(__FILE__, __LINE__, __func__)
+#define log_oom() log_oom_internal(LOG_REALM, __FILE__, __LINE__, __func__)
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)
void log_received_signal(int level, const struct signalfd_siginfo *si);
void log_set_upgrade_syslog_to_journal(bool b);
+void log_set_always_reopen_console(bool b);
+void log_set_open_when_needed(bool b);
int log_syntax_internal(
const char *unit,
projects / thirdparty / systemd.git / blobdiff