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First cut at a distributed locking service. git-svn-id: http://svn.fedorahosted.org/svn/corosync/trunk@829 fd59a12c-fef9-0310-b244-a6a79926bd2f
163 lines
4.6 KiB
C
163 lines
4.6 KiB
C
/*
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* Copyright (c) 2002-2005 MontaVista Software, Inc.
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*
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* All rights reserved.
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*
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* Author: Steven Dake (sdake@mvista.com)
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*
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* This software licensed under BSD license, the text of which follows:
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* - Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* - Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* - Neither the name of the MontaVista Software, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef IPC_LCK_H_DEFINED
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#define IPC_LCK_H_DEFINED
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#include "saAis.h"
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#include "saLck.h"
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#include "ipc_gen.h"
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enum req_lib_lck_resource_types {
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MESSAGE_REQ_LCK_RESOURCEOPEN = 0,
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MESSAGE_REQ_LCK_RESOURCEOPENASYNC = 1,
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MESSAGE_REQ_LCK_RESOURCECLOSE = 2,
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MESSAGE_REQ_LCK_RESOURCELOCK = 3,
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MESSAGE_REQ_LCK_RESOURCELOCKASYNC = 4,
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MESSAGE_REQ_LCK_RESOURCEUNLOCK = 5,
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MESSAGE_REQ_LCK_RESOURCEUNLOCKASYNC = 6,
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MESSAGE_REQ_LCK_LOCKPURGE = 7,
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};
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enum res_lib_lck_resource_types {
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MESSAGE_RES_LCK_RESOURCEOPEN = 0,
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MESSAGE_RES_LCK_RESOURCEOPENASYNC = 1,
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MESSAGE_RES_LCK_RESOURCECLOSE = 2,
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MESSAGE_RES_LCK_RESOURCELOCK = 3,
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MESSAGE_RES_LCK_RESOURCELOCKASYNC = 4,
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MESSAGE_RES_LCK_RESOURCEUNLOCK = 5,
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MESSAGE_RES_LCK_RESOURCEUNLOCKASYNC = 6,
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MESSAGE_RES_LCK_LOCKPURGE = 7,
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MESSAGE_RES_LCK_LOCKWAITERCALLBACK = 8
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};
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struct req_lib_lck_resourceopen {
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struct req_header header;
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SaInvocationT invocation;
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SaNameT lockResourceName;
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SaLckResourceOpenFlagsT resourceOpenFlags;
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SaLckResourceHandleT resourceHandle;
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SaTimeT timeout;
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int async_call;
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};
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struct res_lib_lck_resourceopen {
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struct res_header header;
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SaLckResourceHandleT resourceHandle;
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struct message_source source;
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};
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struct res_lib_lck_resourceopenasync {
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struct res_header header;
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SaInvocationT invocation;
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SaLckResourceHandleT resourceHandle;
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struct message_source source;
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};
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struct req_lib_lck_resourceclose {
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struct req_header header;
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SaNameT lockResourceName;
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SaLckResourceHandleT resourceHandle;
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};
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struct res_lib_lck_resourceclose {
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struct res_header header;
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};
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struct req_lib_lck_resourcelock {
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struct req_header header;
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SaNameT lockResourceName;
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SaInvocationT invocation;
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SaLckLockModeT lockMode;
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SaLckLockFlagsT lockFlags;
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SaLckWaiterSignalT waiterSignal;
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SaTimeT timeout;
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SaLckLockIdT lockId;
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int async_call;
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struct message_source source;
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SaLckResourceHandleT resourceHandle;
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};
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struct res_lib_lck_resourcelock {
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struct res_header header;
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SaLckLockStatusT lockStatus;
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void *resource_lock;
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};
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struct res_lib_lck_resourcelockasync {
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struct res_header header;
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SaLckLockStatusT lockStatus;
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SaLckLockIdT lockId;
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void *resource_lock;
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SaInvocationT invocation;
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SaLckResourceHandleT resourceHandle;
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};
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struct req_lib_lck_resourceunlock {
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struct req_header header;
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SaNameT lockResourceName;
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SaLckLockIdT lockId;
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SaInvocationT invocation;
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SaTimeT timeout;
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int async_call;
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void *resource_lock;
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};
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struct res_lib_lck_resourceunlock {
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struct res_header header;
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};
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struct res_lib_lck_resourceunlockasync {
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struct res_header header;
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SaInvocationT invocation;
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};
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struct req_lib_lck_lockpurge {
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struct req_header header;
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SaNameT lockResourceName;
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};
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struct res_lib_lck_lockpurge {
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struct res_header header;
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};
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struct res_lib_lck_lockwaitercallback {
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struct res_header header;
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SaLckWaiterSignalT waiter_signal;
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SaLckLockIdT lock_id;
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SaLckLockModeT mode_held;
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SaLckLockModeT mode_requested;
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};
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#endif /* IPC_LCK_H_DEFINED */
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