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/*
Unix SMB/CIFS implementation.
global locks based on dbwrap and messaging
Copyright (C) 2009 by Volker Lendecke
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _G_LOCK_H_
#define _G_LOCK_H_
#include "dbwrap/dbwrap.h"
struct g_lock_ctx;
enum g_lock_type {
G_LOCK_READ = 0,
G_LOCK_WRITE = 1,
};
struct g_lock_ctx *g_lock_ctx_init(TALLOC_CTX *mem_ctx,
struct messaging_context *msg);
struct tevent_req *g_lock_lock_send(TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
struct g_lock_ctx *ctx,
const char *name,
enum g_lock_type type);
NTSTATUS g_lock_lock_recv(struct tevent_req *req);
NTSTATUS g_lock_lock(struct g_lock_ctx *ctx, const char *name,
enum g_lock_type lock_type, struct timeval timeout);
NTSTATUS g_lock_unlock(struct g_lock_ctx *ctx, const char *name);
NTSTATUS g_lock_get(struct g_lock_ctx *ctx, const char *name,
struct server_id *pid);
NTSTATUS g_lock_do(const char *name, enum g_lock_type lock_type,
struct timeval timeout,
void (*fn)(void *private_data), void *private_data);
int g_lock_locks(struct g_lock_ctx *ctx,
int (*fn)(const char *name, void *private_data),
void *private_data);
NTSTATUS g_lock_dump(struct g_lock_ctx *ctx, const char *name,
int (*fn)(struct server_id pid,
enum g_lock_type lock_type,
void *private_data),
void *private_data);
#endif
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