| 1 | /*
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| 2 | Unix SMB/CIFS implementation.
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| 3 | global locks based on dbwrap and messaging
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| 4 | Copyright (C) 2009 by Volker Lendecke
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| 5 |
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| 6 | This program is free software; you can redistribute it and/or modify
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| 7 | it under the terms of the GNU General Public License as published by
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| 8 | the Free Software Foundation; either version 3 of the License, or
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| 9 | (at your option) any later version.
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| 10 |
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| 11 | This program is distributed in the hope that it will be useful,
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| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 14 | GNU General Public License for more details.
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| 15 |
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| 16 | You should have received a copy of the GNU General Public License
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| 17 | along with this program. If not, see <http://www.gnu.org/licenses/>.
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| 18 | */
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| 19 |
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| 20 | #ifndef _G_LOCK_H_
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| 21 | #define _G_LOCK_H_
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| 22 |
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| 23 | #include "dbwrap/dbwrap.h"
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| 24 |
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| 25 | struct g_lock_ctx;
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| 26 | struct messaging_context;
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| 27 |
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| 28 | enum g_lock_type {
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| 29 | G_LOCK_READ = 0,
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| 30 | G_LOCK_WRITE = 1,
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| 31 | };
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| 32 |
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| 33 | struct g_lock_ctx *g_lock_ctx_init(TALLOC_CTX *mem_ctx,
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| 34 | struct messaging_context *msg);
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| 35 |
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| 36 | struct tevent_req *g_lock_lock_send(TALLOC_CTX *mem_ctx,
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| 37 | struct tevent_context *ev,
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| 38 | struct g_lock_ctx *ctx,
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| 39 | const char *name,
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| 40 | enum g_lock_type type);
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| 41 | NTSTATUS g_lock_lock_recv(struct tevent_req *req);
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| 42 | NTSTATUS g_lock_lock(struct g_lock_ctx *ctx, const char *name,
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| 43 | enum g_lock_type lock_type, struct timeval timeout);
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| 44 | NTSTATUS g_lock_unlock(struct g_lock_ctx *ctx, const char *name);
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| 45 | NTSTATUS g_lock_get(struct g_lock_ctx *ctx, const char *name,
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| 46 | struct server_id *pid);
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| 47 |
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| 48 | NTSTATUS g_lock_do(const char *name, enum g_lock_type lock_type,
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| 49 | struct timeval timeout,
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| 50 | void (*fn)(void *private_data), void *private_data);
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| 51 |
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| 52 | int g_lock_locks(struct g_lock_ctx *ctx,
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| 53 | int (*fn)(const char *name, void *private_data),
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| 54 | void *private_data);
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| 55 | NTSTATUS g_lock_dump(struct g_lock_ctx *ctx, const char *name,
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| 56 | int (*fn)(struct server_id pid,
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| 57 | enum g_lock_type lock_type,
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| 58 | void *private_data),
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| 59 | void *private_data);
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| 60 |
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| 61 | #endif
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