diff options
author | Rusty Russell <rusty@rustcorp.com.au> | 2011-09-14 07:20:13 +0930 |
---|---|---|
committer | Rusty Russell <rusty@rustcorp.com.au> | 2011-09-14 07:20:13 +0930 |
commit | b67acb7e2a7cde01321daa6116c635a565accd27 (patch) | |
tree | 0c8216cd0d20519cb68af1acec43144a5022f5e5 /lib/tdb2/tdb2.h | |
parent | 1664702d2f0755a3caf7ba8dd433e34bb8d340b0 (diff) | |
download | samba-b67acb7e2a7cde01321daa6116c635a565accd27.tar.gz samba-b67acb7e2a7cde01321daa6116c635a565accd27.tar.bz2 samba-b67acb7e2a7cde01321daa6116c635a565accd27.zip |
tdb2: tdb_foreach()
Create an iterator over every open tdb (not internal TDBs). This is
useful for re-establishing the tdb1-style active lock for
CLEAR_IF_FIRST.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
(Imported from CCAN commit 1a0c636bc38213bd0322db47529f78f2dc22ffdd)
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 { |