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/* Copyright (C) 1999-2005 Henry Cejtin, Matthew Fluet, Suresh
* Jagannathan, and Stephen Weeks.
* Copyright (C) 1997-2000 NEC Research Institute.
*
* MLton is released under a BSD-style license.
* See the file MLton-LICENSE for details.
*/
#if (defined (MLTON_GC_INTERNAL_TYPES))
struct GC_ratios {
/* Minimum live ratio to use copying GC. */
float copy;
/* Only use generational GC with copying collection if the ratio of
* heap size to live data size is below copyGenerational.
*/
float copyGenerational;
float grow;
float hashCons;
/* Desired ratio of heap size to live data. */
float live;
/* Minimum live ratio to use mark-compact GC. */
float markCompact;
/* Only use generational GC with mark-compact collection if the
* ratio of heap size to live data size is below
* markCompactGenerational.
*/
float markCompactGenerational;
/* As long as the ratio of bytes live to nursery size is greater
* than nurseryRatio, use minor GCs.
*/
float nursery;
float ramSlop;
float stackCurrentGrow;
float stackCurrentMaxReserved;
float stackCurrentPermitReserved;
float stackCurrentShrink;
float stackMaxReserved;
float stackShrink;
};
struct GC_controls {
size_t fixedHeap; /* If 0, then no fixed heap. */
size_t maxHeap; /* if zero, then unlimited, else limit total heap */
bool mayLoadWorld;
bool mayPageHeap; /* Permit paging heap to disk during GC */
bool mayProcessAtMLton;
bool messages; /* Print a message at the start and end of each gc. */
size_t oldGenArraySize; /* Arrays larger are allocated in old gen, if possible. */
struct GC_ratios ratios;
bool rusageMeasureGC;
bool summary; /* Print a summary of gc info when program exits. */
};
#endif /* (defined (MLTON_GC_INTERNAL_TYPES)) */
#if (defined (MLTON_GC_INTERNAL_FUNCS))
static inline bool detailedGCTime (GC_state s);
static inline bool needGCTime (GC_state s);
#endif /* (defined (MLTON_GC_INTERNAL_FUNCS)) */
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