X-Git-Url: https://git.ozlabs.org/?a=blobdiff_plain;ds=sidebyside;f=ccan%2Ftdb2%2Ftdb2.h;h=d5ae329a6029d7659886992dd380e845bd9d2fb4;hb=5d6194b434f3664d1025df12ef06c6a25f693bc8;hp=0d2e1c78b023a4c15c1395852d7139dd391457a0;hpb=72e974b25a04a72a1123501aafbb3b5d39019d42;p=ccan

diff --git a/ccan/tdb2/tdb2.h b/ccan/tdb2/tdb2.h
index 0d2e1c78..d5ae329a 100644
--- a/ccan/tdb2/tdb2.h
+++ b/ccan/tdb2/tdb2.h
@@ -30,6 +30,10 @@ extern "C" {
 #endif
 
 #ifndef _SAMBA_BUILD_
+#include "config.h"
+#if HAVE_FILE_OFFSET_BITS
+#define _FILE_OFFSET_BITS 64
+#endif
 /* For mode_t */
 #include <sys/types.h>
 /* For O_* flags. */
@@ -81,6 +85,7 @@ struct tdb_context *tdb_open(const char *name, int tdb_flags,
 #define TDB_NOSYNC   64 /* don't use synchronous transactions */
 #define TDB_SEQNUM   128 /* maintain a sequence number */
 #define TDB_ALLOW_NESTING   256 /* fake nested transactions */
+#define TDB_RDONLY   512 /* implied by O_RDONLY */
 
 /**
  * tdb_close - close and free a tdb.
@@ -612,8 +617,6 @@ enum tdb_attribute_type {
  * This gets an attribute from a TDB which has previously been set (or
  * may return the default values).  Set @attr.base.attr to the
  * attribute type you want get.
- *
- * Currently this does not work for TDB_ATTRIBUTE_OPENHOOK.
  */
 enum TDB_ERROR tdb_get_attribute(struct tdb_context *tdb,
 				 union tdb_attribute *attr);
@@ -667,6 +670,20 @@ const char *tdb_name(const struct tdb_context *tdb);
  */
 int tdb_fd(const struct tdb_context *tdb);
 
+/**
+ * tdb_foreach - iterate through every open TDB.
+ * @fn: the function to call for every TDB
+ * @p: the pointer to hand to @fn
+ *
+ * TDB internally keeps track of all open TDBs; this function allows you to
+ * iterate through them.  If @fn returns non-zero, traversal stops.
+ */
+#define tdb_foreach(fn, p)						\
+	tdb_foreach_(typesafe_cb_preargs(int, void *, (fn), (p),	\
+					 struct tdb_context *), (p))
+
+void tdb_foreach_(int (*fn)(struct tdb_context *, void *), void *p);
+
 /**
  * struct tdb_attribute_base - common fields for all tdb attributes.
  */
@@ -700,6 +717,7 @@ struct tdb_attribute_log {
 	struct tdb_attribute_base base; /* .attr = TDB_ATTRIBUTE_LOG */
 	void (*fn)(struct tdb_context *tdb,
 		   enum tdb_log_level level,
+		   enum TDB_ERROR ecode,
 		   const char *message,
 		   void *data);
 	void *data;
@@ -757,21 +775,31 @@ struct tdb_attribute_stats {
 	uint64_t   alloc_bucket_max;
 	uint64_t   alloc_leftover;
 	uint64_t   alloc_coalesce_tried;
+	uint64_t     alloc_coalesce_iterate_clash;
 	uint64_t     alloc_coalesce_lockfail;
 	uint64_t     alloc_coalesce_race;
 	uint64_t     alloc_coalesce_succeeded;
-	uint64_t        alloc_coalesce_num_merged;
+	uint64_t       alloc_coalesce_num_merged;
 	uint64_t compares;
 	uint64_t   compare_wrong_bucket;
 	uint64_t   compare_wrong_offsetbits;
 	uint64_t   compare_wrong_keylen;
 	uint64_t   compare_wrong_rechash;
 	uint64_t   compare_wrong_keycmp;
+	uint64_t transactions;
+	uint64_t   transaction_cancel;
+	uint64_t   transaction_nest;
+	uint64_t   transaction_expand_file;
+	uint64_t   transaction_read_direct;
+	uint64_t      transaction_read_direct_fail;
+	uint64_t   transaction_write_direct;
+	uint64_t      transaction_write_direct_fail;
 	uint64_t expands;
 	uint64_t frees;
 	uint64_t locks;
-	uint64_t    lock_lowlevel;
-	uint64_t    lock_nonblock;
+	uint64_t   lock_lowlevel;
+	uint64_t   lock_nonblock;
+	uint64_t     lock_nonblock_fail;
 };
 
 /**