event: add ability to change fd of an active event source

[elogind.git] / src / journal / journal-file.h

diff --git a/src/journal/journal-file.h b/src/journal/journal-file.h
index cdbc8e41f615e9989e00e0ed0746ff15e30776dc..21b0821b6b246fbb5cf98cb82a4cded6cc1f64b4 100644 (file)
--- a/src/journal/journal-file.h
+++ b/src/journal/journal-file.h
@@ -42,19 +42,28 @@ typedef struct JournalMetrics {
         uint64_t keep_free;
 } JournalMetrics;
 
+typedef enum direction {
+        DIRECTION_UP,
+        DIRECTION_DOWN
+} direction_t;
+
 typedef struct JournalFile {
         int fd;
-        char *path;
-        struct stat last_stat;
+
         mode_t mode;
 
         int flags;
         int prot;
-        bool writable;
-        bool compress;
-        bool seal;
+        bool writable:1;
+        bool compress:1;
+        bool seal:1;
+
+        bool tail_entry_monotonic_valid:1;
 
-        bool tail_entry_monotonic_valid;
+        direction_t last_direction;
+
+        char *path;
+        struct stat last_stat;
 
         Header *header;
         HashItem *data_hash_table;
@@ -90,11 +99,6 @@ typedef struct JournalFile {
 #endif
 } JournalFile;
 
-typedef enum direction {
-        DIRECTION_UP,
-        DIRECTION_DOWN
-} direction_t;
-
 int journal_file_open(
                 const char *fname,
                 int flags,
@@ -106,6 +110,7 @@ int journal_file_open(
                 JournalFile *template,
                 JournalFile **ret);
 
+int journal_file_set_offline(JournalFile *f);
 void journal_file_close(JournalFile *j);
 
 int journal_file_open_reliably(
@@ -148,9 +153,9 @@ static inline bool VALID_EPOCH(uint64_t u) {
 
 int journal_file_move_to_object(JournalFile *f, int type, uint64_t offset, Object **ret);
 
-uint64_t journal_file_entry_n_items(Object *o);
-uint64_t journal_file_entry_array_n_items(Object *o);
-uint64_t journal_file_hash_table_n_items(Object *o);
+uint64_t journal_file_entry_n_items(Object *o) _pure_;
+uint64_t journal_file_entry_array_n_items(Object *o) _pure_;
+uint64_t journal_file_hash_table_n_items(Object *o) _pure_;
 
 int journal_file_append_object(JournalFile *f, int type, uint64_t size, Object **ret, uint64_t *offset);
 int journal_file_append_entry(JournalFile *f, const dual_timestamp *ts, const struct iovec iovec[], unsigned n_iovec, uint64_t *seqno, Object **ret, uint64_t *offset);