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be3c8d08ec
Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Ralph Boehme <slow@samba.org> Autobuild-User(master): Ralph Böhme <slow@samba.org> Autobuild-Date(master): Thu Feb 8 14:50:49 CET 2018 on sn-devel-144
70 lines
2.1 KiB
C
70 lines
2.1 KiB
C
/*
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Unix SMB/CIFS implementation.
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global locks based on dbwrap and messaging
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Copyright (C) 2009 by Volker Lendecke
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _G_LOCK_H_
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#define _G_LOCK_H_
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#include "dbwrap/dbwrap.h"
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struct g_lock_ctx;
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struct messaging_context;
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enum g_lock_type {
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G_LOCK_READ = 0,
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G_LOCK_WRITE = 1,
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};
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struct g_lock_rec {
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enum g_lock_type lock_type;
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struct server_id pid;
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};
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struct g_lock_ctx *g_lock_ctx_init(TALLOC_CTX *mem_ctx,
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struct messaging_context *msg);
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struct tevent_req *g_lock_lock_send(TALLOC_CTX *mem_ctx,
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struct tevent_context *ev,
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struct g_lock_ctx *ctx,
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TDB_DATA key,
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enum g_lock_type type);
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NTSTATUS g_lock_lock_recv(struct tevent_req *req);
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NTSTATUS g_lock_lock(struct g_lock_ctx *ctx, TDB_DATA key,
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enum g_lock_type lock_type, struct timeval timeout);
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NTSTATUS g_lock_unlock(struct g_lock_ctx *ctx, TDB_DATA key);
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NTSTATUS g_lock_write_data(struct g_lock_ctx *ctx, TDB_DATA key,
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const uint8_t *buf, size_t buflen);
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NTSTATUS g_lock_do(TDB_DATA key, enum g_lock_type lock_type,
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struct timeval timeout,
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void (*fn)(void *private_data), void *private_data);
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int g_lock_locks(struct g_lock_ctx *ctx,
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int (*fn)(TDB_DATA key, void *private_data),
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void *private_data);
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NTSTATUS g_lock_dump(struct g_lock_ctx *ctx, TDB_DATA key,
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void (*fn)(const struct g_lock_rec *locks,
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size_t num_locks,
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const uint8_t *data,
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size_t datalen,
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void *private_data),
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void *private_data);
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#endif
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