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59 lines
1.2 KiB
C
59 lines
1.2 KiB
C
/* impl.h.abq: ABQ INTERFACE
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*
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* $HopeName: MMsrc!abq.h(trunk.3) $
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* Copyright (C) 1998 Harlequin Group plc. All rights reserved.
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*
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* .purpose: A FIFO queue substrate for impl.c.poolmv2
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*
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* .source: design.mps.poolmv2
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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 "cbs.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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extern Res ABQInit(Arena arena, ABQ abq, void *owner, Count items);
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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 Res ABQPush(ABQ abq, CBSBlock block);
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extern Res ABQPop(ABQ abq, CBSBlock *blockReturn);
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extern Res ABQPeek(ABQ abq, CBSBlock *blockReturn);
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extern Res ABQDelete(ABQ abq, CBSBlock block);
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extern Res ABQDescribe(ABQ abq, mps_lib_FILE *stream);
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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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/* Types */
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typedef struct ABQStruct
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{
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Count elements;
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Index in;
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Index out;
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CBSBlock *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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