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#ifndef __SGE_BITFIELD_H
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#define __SGE_BITFIELD_H
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/*___INFO__MARK_BEGIN__*/
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/*************************************************************************
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* The Contents of this file are made available subject to the terms of
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* the Sun Industry Standards Source License Version 1.2
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* Sun Microsystems Inc., March, 2001
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* Sun Industry Standards Source License Version 1.2
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* =================================================
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* The contents of this file are subject to the Sun Industry Standards
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* Source License Version 1.2 (the "License"); You may not use this file
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* except in compliance with the License. You may obtain a copy of the
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* License at http://gridengine.sunsource.net/Gridengine_SISSL_license.html
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* Software provided under this License is provided on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
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* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
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* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
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* See the License for the specific provisions governing your rights and
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* obligations concerning the Software.
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* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
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* Copyright: 2001 by Sun Microsystems, Inc.
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* All Rights Reserved.
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************************************************************************/
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/*___INFO__MARK_END__*/
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#include "basis_types.h"
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/****** uti/bitfield/BIT_MANIPULATION_MAKROS() ********************************
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* ISSET(),VALID(),SETBIT(),CLEARBIT() - Bit manipulation makros
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* #define ISSET(a,b) ((a&b)==b)
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* #define VALID(a,b) ((a|b)==b)
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* #define SETBIT(a,b) (b=(a)|b);
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* #define CLEARBIT(a,b) (b &= (~(a)));
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* Makros to get/set/clear bits in native variables.
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* int,long,u_long32... a - Bitmask
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* int,long,u_long32... b - Variable
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* These Makros can't be used in combination with the bitfield type.
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*******************************************************************************/
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#define ISSET(a,b) ((a&b)==b)
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#define VALID(a,b) ((a|b)==b)
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#define SETBIT(a,b) (b=(a)|b);
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#define CLEARBIT(a,b) (b &= (~(a)));
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char fix[sizeof(char *)]; /* fixed size buffer for small bitfields */
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char *dyn; /* dynamic size buffer for large bitfields */
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sge_bitfield_new(unsigned int size);
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sge_bitfield_free(bitfield *bf);
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sge_bitfield_init(bitfield *bf, unsigned int size);
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sge_bitfield_free_data(bitfield *bf);
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sge_bitfield_copy(const bitfield *source, bitfield *target);
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sge_bitfield_bitwise_copy(const bitfield *source, bitfield *target);
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sge_bitfield_set(bitfield *bf, unsigned int bit);
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sge_bitfield_get(const bitfield *bf, unsigned int bit);
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sge_bitfield_clear(bitfield *bf, unsigned int bit);
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sge_bitfield_reset(bitfield *source);
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sge_bitfield_changed(const bitfield *source);
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sge_bitfield_print(const bitfield *bf, FILE *fd);
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#define fixed_bits (sizeof(char *) * 8)
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#define sge_bitfield_get_size(bf) ((bf)->size)
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#define sge_bitfield_get_size_bytes(size) ((size) / 8 + (((size) % 8) > 0 ? 1 : 0))
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#define sge_bitfield_get_buffer(source) ((source)->size <= fixed_bits) ? (source)->bf.fix : (source)->bf.dyn
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#endif /* __SGE_BITFIELD_H */