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/*
* virlockspace.h: simple file based lockspaces
*
* Copyright (C) 2012 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; If not, see
* <http://www.gnu.org/licenses/>.
*
*/
#pragma once
#include "internal.h"
#include "virjson.h"
typedef struct _virLockSpace virLockSpace;
virLockSpace *virLockSpaceNew(const char *directory);
virLockSpace *virLockSpaceNewPostExecRestart(virJSONValue *object);
virJSONValue *virLockSpacePreExecRestart(virLockSpace *lockspace);
void virLockSpaceFree(virLockSpace *lockspace);
const char *virLockSpaceGetDirectory(virLockSpace *lockspace);
int virLockSpaceCreateResource(virLockSpace *lockspace,
const char *resname);
int virLockSpaceDeleteResource(virLockSpace *lockspace,
const char *resname);
typedef enum {
VIR_LOCK_SPACE_ACQUIRE_SHARED = (1 << 0),
VIR_LOCK_SPACE_ACQUIRE_AUTOCREATE = (1 << 1),
} virLockSpaceAcquireFlags;
int virLockSpaceAcquireResource(virLockSpace *lockspace,
const char *resname,
pid_t owner,
unsigned int flags);
int virLockSpaceReleaseResource(virLockSpace *lockspace,
const char *resname,
pid_t owner);
int virLockSpaceReleaseResourcesForOwner(virLockSpace *lockspace,
pid_t owner);
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