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