2 * This program is free software; you can redistribute it and/or modify
3 * it under the terms of the GNU General Public License as published by
4 * the Free Software Foundation; either version 3 of the License, or
5 * (at your option) any later version.
7 * This program is distributed in the hope that it will be useful,
8 * but WITHOUT ANY WARRANTY; without even the implied warranty of
9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10 * GNU General Public License for more details.
12 * You should have received a copy of the GNU General Public License
13 * along with this program. If not, see <http://www.gnu.org/licenses/>.
16 #ifndef __LOCKING_SHARE_MODE_LOCK_H__
17 #define __LOCKING_SHARE_MODE_LOCK_H__
19 struct share_mode_data;
20 struct share_mode_lock {
21 struct share_mode_data *data;
24 bool locking_init(void);
25 bool locking_init_readonly(void);
26 bool locking_end(void);
28 struct share_mode_lock *get_share_mode_lock(
31 const char *servicepath,
32 const struct smb_filename *smb_fname,
33 const struct timespec *old_write_time);
35 bool del_share_mode(struct share_mode_lock *lck, files_struct *fsp);
36 bool downgrade_share_oplock(struct share_mode_lock *lck, files_struct *fsp);
37 bool remove_share_oplock(struct share_mode_lock *lck, files_struct *fsp);
38 bool file_has_read_lease(struct files_struct *fsp);
41 struct share_mode_lock *lck,
42 struct files_struct *fsp,
46 uint32_t share_access,
47 uint32_t access_mask);
48 bool reset_share_mode_entry(
49 struct share_mode_lock *lck,
50 struct server_id old_pid,
51 uint64_t old_share_file_id,
52 struct server_id new_pid,
54 uint64_t new_share_file_id);
56 bool mark_share_mode_disconnected(
57 struct share_mode_lock *lck, struct files_struct *fsp);
59 struct share_mode_lock *fetch_share_mode_unlocked(
63 struct tevent_req *fetch_share_mode_send(
65 struct tevent_context *ev,
68 NTSTATUS fetch_share_mode_recv(
69 struct tevent_req *req,
71 struct share_mode_lock **_lck);
73 int share_entry_forall(
74 int (*fn)(struct file_id fid,
75 const struct share_mode_data *data,
76 const struct share_mode_entry *entry,
80 NTSTATUS share_mode_count_entries(struct file_id fid, size_t *num_share_modes);
81 NTSTATUS share_mode_do_locked(
83 void (*fn)(const uint8_t *buf,
85 bool *modified_dependent,
88 int share_mode_forall(
89 int (*fn)(struct file_id fid,
90 const struct share_mode_data *data,
93 bool share_mode_forall_entries(
94 struct share_mode_lock *lck,
95 bool (*fn)(struct share_mode_entry *e,
99 bool share_mode_have_entries(struct share_mode_lock *lck);
101 NTTIME share_mode_changed_write_time(struct share_mode_lock *lck);
102 const char *share_mode_servicepath(struct share_mode_lock *lck);
103 char *share_mode_filename(TALLOC_CTX *mem_ctx, struct share_mode_lock *lck);
104 char *share_mode_data_dump(
105 TALLOC_CTX *mem_ctx, struct share_mode_lock *lck);
107 void share_mode_flags_get(
108 struct share_mode_lock *lck,
109 uint32_t *access_mask,
110 uint32_t *share_mode,
111 uint32_t *lease_type);
112 void share_mode_flags_set(
113 struct share_mode_lock *lck,
114 uint32_t access_mask,
119 struct tevent_req *share_mode_watch_send(
121 struct tevent_context *ev,
122 struct share_mode_lock *lck,
123 struct server_id blocker);
124 NTSTATUS share_mode_watch_recv(
125 struct tevent_req *req, bool *blockerdead, struct server_id *blocker);
126 NTSTATUS share_mode_wakeup_waiters(struct file_id id);