X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fsystemd%2Fsd-journal.h;h=f9919b29f1f3ab35cc090348f487fdb131192841;hp=85f86049911c985f51420c90e23e754c79eaaec1;hb=d4205751d4643c272059a3728045929dd0e5e800;hpb=089842938dd0f4080084044bb9a1a3b00137926a diff --git a/src/systemd/sd-journal.h b/src/systemd/sd-journal.h index 85f860499..f9919b29f 100644 --- a/src/systemd/sd-journal.h +++ b/src/systemd/sd-journal.h @@ -34,17 +34,21 @@ extern "C" { #endif +/* Journal APIs. See sd-journal(3) for more information. */ + /* Write to daemon */ -int sd_journal_print(int piority, const char *format, ...) __attribute__ ((format (printf, 2, 3))); +int sd_journal_print(int priority, const char *format, ...) __attribute__ ((format (printf, 2, 3))); int sd_journal_printv(int priority, const char *format, va_list ap); int sd_journal_send(const char *format, ...) __attribute__((sentinel)); int sd_journal_sendv(const struct iovec *iov, int n); +int sd_journal_perror(const char *message); -/* Used by the macros below */ +/* Used by the macros below. Don't call this directly. */ int sd_journal_print_with_location(int priority, const char *file, const char *line, const char *func, const char *format, ...) __attribute__ ((format (printf, 5, 6))); int sd_journal_printv_with_location(int priority, const char *file, const char *line, const char *func, const char *format, va_list ap); int sd_journal_send_with_location(const char *file, const char *line, const char *func, const char *format, ...) __attribute__((sentinel)); int sd_journal_sendv_with_location(const char *file, const char *line, const char *func, const struct iovec *iov, int n); +int sd_journal_perror_with_location(const char *file, const char *line, const char *func, const char *message); /* implicitly add code location to messages sent, if this is enabled */ #ifndef SD_JOURNAL_SUPPRESS_LOCATION @@ -56,6 +60,7 @@ int sd_journal_sendv_with_location(const char *file, const char *line, const cha #define sd_journal_printv(priority, format, ap) sd_journal_printv_with_location(priority, "CODE_FILE=" __FILE__, "CODE_LINE=" _sd_STRINGIFY(__LINE__), __func__, format, ap) #define sd_journal_send(...) sd_journal_send_with_location("CODE_FILE=" __FILE__, "CODE_LINE=" _sd_STRINGIFY(__LINE__), __func__, __VA_ARGS__) #define sd_journal_sendv(iovec, n) sd_journal_sendv_with_location("CODE_FILE=" __FILE__, "CODE_LINE=" _sd_STRINGIFY(__LINE__), __func__, iovec, n) +#define sd_journal_perror(message) sd_journal_perror_with_location("CODE_FILE=" __FILE__, "CODE_LINE=" _sd_STRINGIFY(__LINE__), __func__, message) #endif @@ -65,13 +70,22 @@ int sd_journal_stream_fd(const char *identifier, int priority, int level_prefix) typedef struct sd_journal sd_journal; +/* Open flags */ enum { SD_JOURNAL_LOCAL_ONLY = 1, SD_JOURNAL_RUNTIME_ONLY = 2, SD_JOURNAL_SYSTEM_ONLY = 4 }; +/* Wakeup event types */ +enum { + SD_JOURNAL_NOP, + SD_JOURNAL_APPEND, + SD_JOURNAL_INVALIDATE +}; + int sd_journal_open(sd_journal **ret, int flags); +int sd_journal_open_directory(sd_journal **ret, const char *path, int flags); void sd_journal_close(sd_journal *j); int sd_journal_previous(sd_journal *j); @@ -82,11 +96,13 @@ int sd_journal_next_skip(sd_journal *j, uint64_t skip); int sd_journal_get_realtime_usec(sd_journal *j, uint64_t *ret); int sd_journal_get_monotonic_usec(sd_journal *j, uint64_t *ret, sd_id128_t *ret_boot_id); + int sd_journal_get_data(sd_journal *j, const char *field, const void **data, size_t *l); int sd_journal_enumerate_data(sd_journal *j, const void **data, size_t *l); void sd_journal_restart_data(sd_journal *j); int sd_journal_add_match(sd_journal *j, const void *data, size_t size); +int sd_journal_add_disjunction(sd_journal *j); void sd_journal_flush_matches(sd_journal *j); int sd_journal_seek_head(sd_journal *j); @@ -96,23 +112,23 @@ int sd_journal_seek_realtime_usec(sd_journal *j, uint64_t usec); int sd_journal_seek_cursor(sd_journal *j, const char *cursor); int sd_journal_get_cursor(sd_journal *j, char **cursor); +int sd_journal_test_cursor(sd_journal *j, const char *cursor); int sd_journal_get_cutoff_realtime_usec(sd_journal *j, uint64_t *from, uint64_t *to); int sd_journal_get_cutoff_monotonic_usec(sd_journal *j, const sd_id128_t boot_id, uint64_t *from, uint64_t *to); -/* int sd_journal_query_unique(sd_journal *j, const char *field); /\* missing *\/ */ -/* int sd_journal_enumerate_unique(sd_journal *j, const void **data, size_t *l); /\* missing *\/ */ -/* void sd_journal_restart_unique(sd_journal *j); /\* missing *\/ */ +int sd_journal_get_usage(sd_journal *j, uint64_t *bytes); -enum { - SD_JOURNAL_NOP, - SD_JOURNAL_APPEND, - SD_JOURNAL_INVALIDATE_ADD, - SD_JOURNAL_INVALIDATE_REMOVE -}; +int sd_journal_query_unique(sd_journal *j, const char *field); +int sd_journal_enumerate_unique(sd_journal *j, const void **data, size_t *l); +void sd_journal_restart_unique(sd_journal *j); int sd_journal_get_fd(sd_journal *j); +int sd_journal_reliable_fd(sd_journal *j); int sd_journal_process(sd_journal *j); +int sd_journal_wait(sd_journal *j, uint64_t timeout_usec); + +int sd_journal_get_catalog(sd_journal *j, char **text); #define SD_JOURNAL_FOREACH(j) \ if (sd_journal_seek_head(j) >= 0) \ @@ -126,7 +142,7 @@ int sd_journal_process(sd_journal *j); for (sd_journal_restart_data(j); sd_journal_enumerate_data((j), &(data), &(l)) > 0; ) #define SD_JOURNAL_FOREACH_UNIQUE(j, data, l) \ - for (sd_journal_restart_unique(j); sd_journal_enumerate_data((j), &(data), &(l)) > 0; ) + for (sd_journal_restart_unique(j); sd_journal_enumerate_unique((j), &(data), &(l)) > 0; ) #ifdef __cplusplus }