diff options
Diffstat (limited to 'lib/tdb2/tdb2.h')
| -rw-r--r-- | lib/tdb2/tdb2.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/lib/tdb2/tdb2.h b/lib/tdb2/tdb2.h index 65f55d41fb..0d7be789db 100644 --- a/lib/tdb2/tdb2.h +++ b/lib/tdb2/tdb2.h @@ -673,6 +673,20 @@ 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. */ struct tdb_attribute_base { |