/**
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* \file
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* Copyright 2001-2003 Ximian, Inc
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* Copyright 2003-2010 Novell, Inc.
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*
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* Licensed under the MIT license. See LICENSE file in the project root for full license information.
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*/
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#ifndef __MONO_SGEN_MEMORY_GOVERNOR_H__
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#define __MONO_SGEN_MEMORY_GOVERNOR_H__
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/* Heap limits */
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void sgen_memgov_init (size_t max_heap, size_t soft_limit, gboolean debug_allowance, double min_allowance_ratio, double save_target);
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void sgen_memgov_release_space (mword size, int space);
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gboolean sgen_memgov_try_alloc_space (mword size, int space);
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/* GC trigger heuristics */
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void sgen_memgov_minor_collection_start (void);
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void sgen_memgov_minor_collection_end (const char *reason, gboolean is_overflow);
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void sgen_memgov_major_pre_sweep (void);
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void sgen_memgov_major_post_sweep (mword used_slots_size);
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void sgen_memgov_major_collection_start (gboolean concurrent, const char *reason);
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void sgen_memgov_major_collection_end (gboolean forced, gboolean concurrent, const char *reason, gboolean is_overflow);
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void sgen_memgov_collection_start (int generation);
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void sgen_memgov_collection_end (int generation, gint64 stw);
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gboolean sgen_need_major_collection (mword space_needed);
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typedef enum {
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SGEN_ALLOC_INTERNAL = 0,
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SGEN_ALLOC_HEAP = 1,
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SGEN_ALLOC_ACTIVATE = 2
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} SgenAllocFlags;
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typedef enum {
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SGEN_LOG_NURSERY,
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SGEN_LOG_MAJOR_SERIAL,
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SGEN_LOG_MAJOR_CONC_START,
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SGEN_LOG_MAJOR_CONC_FINISH,
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SGEN_LOG_MAJOR_SWEEP_FINISH
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} SgenLogType;
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typedef struct {
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SgenLogType type;
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const char *reason;
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gboolean is_overflow;
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gint64 time;
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mword promoted_size;
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mword major_size;
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mword major_size_in_use;
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mword los_size;
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mword los_size_in_use;
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} SgenLogEntry;
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/* OS memory allocation */
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void* sgen_alloc_os_memory (size_t size, SgenAllocFlags flags, const char *assert_description, MonoMemAccountType type);
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void* sgen_alloc_os_memory_aligned (size_t size, mword alignment, SgenAllocFlags flags, const char *assert_description, MonoMemAccountType type);
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void sgen_free_os_memory (void *addr, size_t size, SgenAllocFlags flags, MonoMemAccountType type);
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/* Error handling */
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void sgen_assert_memory_alloc (void *ptr, size_t requested_size, const char *assert_description);
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#endif
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