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#ifndef _SGE_LOCK_H_
#define _SGE_LOCK_H_
/*___INFO__MARK_BEGIN__*/
/*************************************************************************
*
* The Contents of this file are made available subject to the terms of
* the Sun Industry Standards Source License Version 1.2
*
* Sun Microsystems Inc., March, 2001
*
*
* Sun Industry Standards Source License Version 1.2
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.2 (the "License"); You may not use this file
* except in compliance with the License. You may obtain a copy of the
* License at http://gridengine.sunsource.net/Gridengine_SISSL_license.html
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2003 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
************************************************************************/
/*___INFO__MARK_END__*/
#include "basis_types.h"
#include "sgermon.h"
#if 0
#define SGE_DEBUG_LOCK_TIME
#endif
#if 1
#define SGE_USE_LOCK_FIFO
#endif
#if defined(LINUX)
#undef LOCK_READ
#undef LOCK_WRITE
#endif
typedef enum {
LOCK_READ = 1, /* shared */
LOCK_WRITE = 2 /* exclusive */
} sge_lockmode_t;
typedef u_long32 sge_locker_t;
typedef enum {
/*
* global lock
*/
LOCK_GLOBAL = 0,
LOCK_MASTER_CONF = 1,
NUM_OF_LOCK_TYPES = 2
} sge_locktype_t;
void
sge_lock(sge_locktype_t aType, sge_lockmode_t aMode, const char *func, sge_locker_t anID);
void
sge_unlock(sge_locktype_t aType, sge_lockmode_t aMode, const char *func, sge_locker_t anID);
sge_locker_t
sge_locker_id(void);
#if defined(SGE_LOCK)
#error "SGE_LOCK already defined!"
#endif
#define SGE_LOCK(type, mode) \
{ \
sge_lock(type, mode, SGE_FUNC, sge_locker_id()); \
}
#if defined(SGE_UNLOCK)
#error "SGE_UNLOCK already defined!"
#endif
#define SGE_UNLOCK(type, mode) \
{ \
sge_unlock(type, mode, SGE_FUNC, sge_locker_id()); \
}
#endif /* _SGE_LOCK_H_ */
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