util_tdb: move timeout chainlock variants from source3/lib/util/util_tdb.c

We're about to use them for dbwrap.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

1 files changed, 0 insertions, 81 deletions

diff --git a/source3/lib/util_tdb.c b/source3/lib/util_tdb.c
index 552a914eb4..c6c6d26277 100644
--- a/source3/lib/util_tdb.c
+++ b/source3/lib/util_tdb.c
@@ -31,87 +31,6 @@
 /* these are little tdb utility functions that are meant to make
    dealing with a tdb database a little less cumbersome in Samba */
 
-static SIG_ATOMIC_T gotalarm;
-
-/***************************************************************
- Signal function to tell us we timed out.
-****************************************************************/
-
-static void gotalarm_sig(int signum)
-{
-	gotalarm = 1;
-}
-
-/****************************************************************************
- Lock a chain with timeout (in seconds).
-****************************************************************************/
-
-static int tdb_chainlock_with_timeout_internal( TDB_CONTEXT *tdb, TDB_DATA key, unsigned int timeout, int rw_type)
-{
-	/* Allow tdb_chainlock to be interrupted by an alarm. */
-	int ret;
-	gotalarm = 0;
-
-	if (timeout) {
-		CatchSignal(SIGALRM, gotalarm_sig);
-		tdb_setalarm_sigptr(tdb, &gotalarm);
-		alarm(timeout);
-	}
-
-	if (rw_type == F_RDLCK)
-		ret = tdb_chainlock_read(tdb, key);
-	else
-		ret = tdb_chainlock(tdb, key);
-
-	if (timeout) {
-		alarm(0);
-		tdb_setalarm_sigptr(tdb, NULL);
-		CatchSignal(SIGALRM, SIG_IGN);
-		if (gotalarm && (ret != 0)) {
-			DEBUG(0,("tdb_chainlock_with_timeout_internal: alarm (%u) timed out for key %s in tdb %s\n",
-				timeout, key.dptr, tdb_name(tdb)));
-			/* TODO: If we time out waiting for a lock, it might
-			 * be nice to use F_GETLK to get the pid of the
-			 * process currently holding the lock and print that
-			 * as part of the debugging message. -- mbp */
-			return -1;
-		}
-	}
-
-	return ret == 0 ? 0 : -1;
-}
-
-/****************************************************************************
- Write lock a chain. Return non-zero if timeout or lock failed.
-****************************************************************************/
-
-int tdb_chainlock_with_timeout( TDB_CONTEXT *tdb, TDB_DATA key, unsigned int timeout)
-{
-	return tdb_chainlock_with_timeout_internal(tdb, key, timeout, F_WRLCK);
-}
-
-int tdb_lock_bystring_with_timeout(TDB_CONTEXT *tdb, const char *keyval,
-				   int timeout)
-{
-	TDB_DATA key = string_term_tdb_data(keyval);
-
-	return tdb_chainlock_with_timeout(tdb, key, timeout);
-}
-
-/****************************************************************************
- Read lock a chain by string. Return non-zero if timeout or lock failed.
-****************************************************************************/
-
-int tdb_read_lock_bystring_with_timeout(TDB_CONTEXT *tdb, const char *keyval, unsigned int timeout)
-{
-	TDB_DATA key = string_term_tdb_data(keyval);
-
-	return tdb_chainlock_with_timeout_internal(tdb, key, timeout, F_RDLCK);
-}
-
-
-
-
 int tdb_trans_store_bystring(TDB_CONTEXT *tdb, const char *keystr,
 			     TDB_DATA data, int flags)
 {