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/*
Copyright 2019 Northern.tech AS
This file is part of CFEngine 3 - written and maintained by Northern.tech AS.
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; version 3.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
To the extent this program is licensed as part of the Enterprise
versions of CFEngine, the applicable Commercial Open Source License
(COSL) may apply to this file if you as a licensee so wish it. See
included file COSL.txt.
*/
#ifndef CFENGINE_LOCKS_H
#define CFENGINE_LOCKS_H
#include <cf3.defs.h>
CfLock AcquireLock(EvalContext *ctx, const char *operand, const char *host,
time_t now, int ifelapsed, int expireafter, const Promise *pp,
bool ignoreProcesses);
void YieldCurrentLock(CfLock lock);
void YieldCurrentLockAndRemoveFromCache(EvalContext *ctx, CfLock lock,
const char *operand, const Promise *pp);
void GetLockName(char *lockname, const char *locktype,
const char *base, const Rlist *params);
void PurgeLocks(void);
void BackupLockDatabase(void);
// Used in enterprise/nova code:
CF_DB *OpenLock();
void CloseLock(CF_DB *dbp);
/* These are only used in ENT! TODO fix and remove from header file. */
void WaitForCriticalSection(const char *section_id);
void ReleaseCriticalSection(const char *section_id);
void PromiseRuntimeHash(const Promise *pp, const char *salt,
unsigned char digest[EVP_MAX_MD_SIZE + 1],
HashMethod type);
#endif
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