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View of /trunk/src/include/Diderot/strands.h

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Revision 1380 - (download) (as text) (annotate)
Thu Jun 23 19:20:07 2011 UTC (7 years, 9 months ago) by jhr
File size: 2088 byte(s)
  merging changes from pure-cfg
/*! \file strands.h
 *
 * \author John Reppy
 */

/*
 * COPYRIGHT (c) 2011 The Diderot Project (http://diderot-language.cs.uchicago.edu)
 * All rights reserved.
 */

#ifndef _DIDEROT_STRANDS_H_
#define _DIDEROT_STRANDS_H_

#ifndef _DIDEROT_TYPES_H_
#include "Diderot/types.h"
#endif

typedef StrandStatus_t (*update_method_t)(void *, void *);

#if defined(DIDEROT_TARGET_CL)
typedef void (*print_method_t)(FILE *, uint8_t *, int, void *);
#else 
typedef void (*print_method_t)(FILE *, void *);
#endif 

/* hooks generated by the compiler for the runtime */
typedef struct {
    char                *name;          // name of strand
    size_t              stateSzb;       // sze of strand state
    update_method_t     update;         // update method
    print_method_t      print;          // function for printing output state
} Strand_t;

extern int Diderot_NumStrands;          // the number of strands in the program
extern Strand_t *Diderot_Strands[];     // array of NumStrands strand descriptors

typedef struct struct_world Diderot_World_t;

extern void Diderot_InitGlobals ();

extern Diderot_World_t *Diderot_Initially ();
extern void Diderot_Shutdown (Diderot_World_t *wrld);

/* Diderot library functions */

// block allocation of an initial collection of strands
extern Diderot_World_t *Diderot_AllocInitially (
    const char *name,           // the name of the program
    Strand_t *strand,           // the type of strands being allocated
    bool isArray,               // is the initialization an array or collection?
    uint32_t nDims,             // depth of iteration nesting
    int32_t *base,              // nDims array of base indices
    uint32_t *size);            // nDims array of iteration sizes

// get strand state pointers
extern void *Diderot_InState (Diderot_World_t *wrld, uint32_t i);
extern void *Diderot_OutState (Diderot_World_t *wrld, uint32_t i);
extern bool Diderot_IsActive (Diderot_World_t *wrld, uint32_t i);

// strand allocation (no initializtion)
extern void *Diderot_AllocStrand (Strand_t *strand);

#endif /* !_DIDEROT_STRANDS_H_ */

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