diff options
Diffstat (limited to 'source3/locking')
| -rw-r--r-- | source3/locking/locking.c | 5 | ||||
| -rw-r--r-- | source3/locking/share_mode_lock.c | 27 |
2 files changed, 32 insertions, 0 deletions
diff --git a/source3/locking/locking.c b/source3/locking/locking.c index 9199591d9e..7063b54d9c 100644 --- a/source3/locking/locking.c +++ b/source3/locking/locking.c @@ -448,6 +448,11 @@ char *share_mode_str(TALLOC_CTX *ctx, int num, const struct share_mode_entry *e) (unsigned int)e->name_hash); } +/******************************************************************* + Fetch a share mode where we know one MUST exist. This call reference + counts it internally to allow for nested lock fetches. +********************************************************************/ + struct share_mode_lock *get_share_mode_lock(TALLOC_CTX *mem_ctx, const struct file_id id) { diff --git a/source3/locking/share_mode_lock.c b/source3/locking/share_mode_lock.c index 51f09ae2af..3b353d6793 100644 --- a/source3/locking/share_mode_lock.c +++ b/source3/locking/share_mode_lock.c @@ -190,6 +190,10 @@ fail: return NULL; } +/******************************************************************* + Create a storable data blob from a modified share_mode_data struct. +********************************************************************/ + static TDB_DATA unparse_share_modes(struct share_mode_data *d) { DATA_BLOB blob; @@ -214,6 +218,10 @@ static TDB_DATA unparse_share_modes(struct share_mode_data *d) return make_tdb_data(blob.data, blob.length); } +/******************************************************************* + If modified, store the share_mode_data back into the database. +********************************************************************/ + static int share_mode_data_destructor(struct share_mode_data *d) { NTSTATUS status; @@ -266,6 +274,11 @@ static int share_mode_data_destructor(struct share_mode_data *d) return 0; } +/******************************************************************* + Allocate a new share_mode_data struct, mark it unmodified. + fresh is set to note that currently there is no database entry. +********************************************************************/ + static struct share_mode_data *fresh_share_mode_lock( TALLOC_CTX *mem_ctx, const char *servicepath, const struct smb_filename *smb_fname, @@ -306,6 +319,11 @@ fail: return NULL; } +/******************************************************************* + Either fetch a share mode from the database, or allocate a fresh + one if the record doesn't exist. +********************************************************************/ + static struct share_mode_lock *get_share_mode_lock_internal( TALLOC_CTX *mem_ctx, const struct file_id id, const char *servicepath, const struct smb_filename *smb_fname, @@ -365,6 +383,10 @@ static int the_lock_destructor(struct share_mode_lock *l) return 0; } +/******************************************************************* + Get a share_mode_lock, Reference counted to allow nexted calls. +********************************************************************/ + struct share_mode_lock *get_share_mode_lock_fresh( TALLOC_CTX *mem_ctx, const struct file_id id, @@ -405,6 +427,11 @@ fail: return NULL; } +/******************************************************************* + Get a share_mode_lock without locking the database or reference + counting. Used by smbstatus to display existing share modes. +********************************************************************/ + struct share_mode_lock *fetch_share_mode_unlocked(TALLOC_CTX *mem_ctx, const struct file_id id) { |