diff options
Diffstat (limited to 'source3/lib')
-rw-r--r-- | source3/lib/util_tdb.c | 81 |
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) { |