tdb2: rework lock.c functions to return enum TDB_ERROR.

[ccan] / ccan / tdb2 / private.h

diff --git a/ccan/tdb2/private.h b/ccan/tdb2/private.h
index ae3ffb2a6b089819bbe6bbfbf26dc4f80dfb6be9..4ecda6a5f529729518b051a53db711f582fde6db 100644 (file)
--- a/ccan/tdb2/private.h
+++ b/ccan/tdb2/private.h
@@ -518,43 +518,44 @@ void add_stat_(struct tdb_context *tdb, uint64_t *stat, size_t val);
 void tdb_lock_init(struct tdb_context *tdb);
 
 /* Lock/unlock a range of hashes. */
-int tdb_lock_hashes(struct tdb_context *tdb,
-                   tdb_off_t hash_lock, tdb_len_t hash_range,
-                   int ltype, enum tdb_lock_flags waitflag);
-int tdb_unlock_hashes(struct tdb_context *tdb,
-                     tdb_off_t hash_lock,
-                     tdb_len_t hash_range, int ltype);
+enum TDB_ERROR tdb_lock_hashes(struct tdb_context *tdb,
+                              tdb_off_t hash_lock, tdb_len_t hash_range,
+                              int ltype, enum tdb_lock_flags waitflag);
+enum TDB_ERROR tdb_unlock_hashes(struct tdb_context *tdb,
+                                tdb_off_t hash_lock,
+                                tdb_len_t hash_range, int ltype);
 
 /* Lock/unlock a particular free bucket. */
-int tdb_lock_free_bucket(struct tdb_context *tdb, tdb_off_t b_off,
-                        enum tdb_lock_flags waitflag);
+enum TDB_ERROR tdb_lock_free_bucket(struct tdb_context *tdb, tdb_off_t b_off,
+                                   enum tdb_lock_flags waitflag);
 void tdb_unlock_free_bucket(struct tdb_context *tdb, tdb_off_t b_off);
 
 /* Serialize transaction start. */
-int tdb_transaction_lock(struct tdb_context *tdb, int ltype);
-int tdb_transaction_unlock(struct tdb_context *tdb, int ltype);
+enum TDB_ERROR tdb_transaction_lock(struct tdb_context *tdb, int ltype);
+void tdb_transaction_unlock(struct tdb_context *tdb, int ltype);
 
 /* Do we have any hash locks (ie. via tdb_chainlock) ? */
 bool tdb_has_hash_locks(struct tdb_context *tdb);
 
 /* Lock entire database. */
-int tdb_allrecord_lock(struct tdb_context *tdb, int ltype,
-                      enum tdb_lock_flags flags, bool upgradable);
-int tdb_allrecord_unlock(struct tdb_context *tdb, int ltype);
-int tdb_allrecord_upgrade(struct tdb_context *tdb);
+enum TDB_ERROR tdb_allrecord_lock(struct tdb_context *tdb, int ltype,
+                                 enum tdb_lock_flags flags, bool upgradable);
+void tdb_allrecord_unlock(struct tdb_context *tdb, int ltype);
+enum TDB_ERROR tdb_allrecord_upgrade(struct tdb_context *tdb);
 
 /* Serialize db open. */
-int tdb_lock_open(struct tdb_context *tdb, enum tdb_lock_flags flags);
+enum TDB_ERROR tdb_lock_open(struct tdb_context *tdb,
+                            enum tdb_lock_flags flags);
 void tdb_unlock_open(struct tdb_context *tdb);
 bool tdb_has_open_lock(struct tdb_context *tdb);
 
 /* Serialize db expand. */
-int tdb_lock_expand(struct tdb_context *tdb, int ltype);
+enum TDB_ERROR tdb_lock_expand(struct tdb_context *tdb, int ltype);
 void tdb_unlock_expand(struct tdb_context *tdb, int ltype);
 bool tdb_has_expansion_lock(struct tdb_context *tdb);
 
 /* If it needs recovery, grab all the locks and do it. */
-int tdb_lock_and_recover(struct tdb_context *tdb);
+enum TDB_ERROR tdb_lock_and_recover(struct tdb_context *tdb);
 
 /* transaction.c: */
 int tdb_transaction_recover(struct tdb_context *tdb);