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Publish minor changes to readme and configure files in main directory. Main directory and code directory licence texts are now fully updated. Copied from Perforce Change: 196994
91 lines
2.8 KiB
C
91 lines
2.8 KiB
C
/* abq.h: QUEUE INTERFACE
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*
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* $Id$
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* Copyright (c) 2001-2020 Ravenbrook Limited. See end of file for license.
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*
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* .purpose: A fixed-length FIFO queue.
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*
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* .design: <design/abq>
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*/
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#ifndef abq_h
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#define abq_h
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#include "meter.h"
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#include "mpm.h"
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/* Signatures */
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#define ABQSig ((Sig)0x519AB099) /* SIGnature ABQ */
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/* Prototypes */
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typedef struct ABQStruct *ABQ;
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typedef Res (*ABQDescribeElement)(void *element, mps_lib_FILE *stream, Count depth);
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typedef Bool (*ABQVisitor)(Bool *deleteReturn, void *element, void *closure);
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extern Res ABQInit(Arena arena, ABQ abq, void *owner, Count elements, Size elementSize);
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extern Bool ABQCheck(ABQ abq);
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extern void ABQFinish(Arena arena, ABQ abq);
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extern Bool ABQPush(ABQ abq, void *element);
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extern Bool ABQPop(ABQ abq, void *elementReturn);
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extern Bool ABQPeek(ABQ abq, void *elementReturn);
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extern Res ABQDescribe(ABQ abq, ABQDescribeElement describeElement, mps_lib_FILE *stream, Count depth);
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extern Bool ABQIsEmpty(ABQ abq);
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extern Bool ABQIsFull(ABQ abq);
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extern Count ABQDepth(ABQ abq);
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extern void ABQIterate(ABQ abq, ABQVisitor visitor, void *closure);
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/* Types */
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typedef struct ABQStruct
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{
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Count elements;
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Size elementSize;
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Index in;
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Index out;
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void *queue;
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/* Meter queue depth at each operation */
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METER_DECL(push)
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METER_DECL(pop)
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METER_DECL(peek)
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METER_DECL(delete)
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Sig sig;
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} ABQStruct;
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#endif /* abq_h */
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/* C. COPYRIGHT AND LICENSE
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*
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* Copyright (C) 2001-2020 Ravenbrook Limited <http://www.ravenbrook.com/>.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
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* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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