mirror of
git://git.sv.gnu.org/emacs.git
synced 2025-12-24 14:30:43 -08:00
934ae05ca3
Since ABQDisposition enumeration only has two values, it's better to use Bool. Copied from Perforce Change: 182347 ServerID: perforce.ravenbrook.com
103 lines
3.6 KiB
C
103 lines
3.6 KiB
C
/* abq.h: QUEUE INTERFACE
|
|
*
|
|
* $Id$
|
|
* Copyright (c) 2001 Ravenbrook Limited. See end of file for license.
|
|
*
|
|
* .purpose: A fixed-length FIFO queue.
|
|
*
|
|
* .design: <design/abq/>
|
|
*/
|
|
|
|
#ifndef abq_h
|
|
#define abq_h
|
|
|
|
#include "meter.h"
|
|
#include "mpm.h"
|
|
|
|
|
|
/* Signatures */
|
|
|
|
#define ABQSig ((Sig)0x519AB099) /* SIGnature ABQ */
|
|
|
|
|
|
/* Prototypes */
|
|
|
|
typedef struct ABQStruct *ABQ;
|
|
typedef Res (*ABQDescribeElement)(void *element, mps_lib_FILE *stream);
|
|
typedef Bool (*ABQIterateMethod)(Bool *deleteReturn, void *element, void *closureP, Size closureS);
|
|
|
|
extern Res ABQInit(Arena arena, ABQ abq, void *owner, Count elements, Size elementSize);
|
|
extern Bool ABQCheck(ABQ abq);
|
|
extern void ABQFinish(Arena arena, ABQ abq);
|
|
extern Res ABQPush(ABQ abq, void *element);
|
|
extern Res ABQPop(ABQ abq, void *elementReturn);
|
|
extern Res ABQPeek(ABQ abq, void *elementReturn);
|
|
extern Res ABQDescribe(ABQ abq, ABQDescribeElement describeElement, mps_lib_FILE *stream);
|
|
extern Bool ABQIsEmpty(ABQ abq);
|
|
extern Bool ABQIsFull(ABQ abq);
|
|
extern Count ABQDepth(ABQ abq);
|
|
extern void ABQIterate(ABQ abq, ABQIterateMethod iterate, void *closureP, Size closureS);
|
|
|
|
|
|
/* Types */
|
|
|
|
typedef struct ABQStruct
|
|
{
|
|
Count elements;
|
|
Size elementSize;
|
|
Index in;
|
|
Index out;
|
|
void *queue;
|
|
|
|
/* Meter queue depth at each operation */
|
|
METER_DECL(push);
|
|
METER_DECL(pop);
|
|
METER_DECL(peek);
|
|
METER_DECL(delete);
|
|
|
|
Sig sig;
|
|
} ABQStruct;
|
|
|
|
#endif /* abq_h */
|
|
|
|
|
|
/* C. COPYRIGHT AND LICENSE
|
|
*
|
|
* Copyright (C) 2001-2002 Ravenbrook Limited <http://www.ravenbrook.com/>.
|
|
* All rights reserved. This is an open source license. Contact
|
|
* Ravenbrook for commercial licensing options.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are
|
|
* met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
*
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* 3. Redistributions in any form must be accompanied by information on how
|
|
* to obtain complete source code for this software and any accompanying
|
|
* software that uses this software. The source code must either be
|
|
* included in the distribution or be available for no more than the cost
|
|
* of distribution plus a nominal fee, and must be freely redistributable
|
|
* under reasonable conditions. For an executable file, complete source
|
|
* code means the source code for all modules it contains. It does not
|
|
* include source code for modules or files that typically accompany the
|
|
* major components of the operating system on which the executable file
|
|
* runs.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
|
|
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
|
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
|
|
* PURPOSE, OR NON-INFRINGEMENT, ARE DISCLAIMED. IN NO EVENT SHALL THE
|
|
* COPYRIGHT HOLDERS AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
|
|
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
|
|
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|