2 * Copyright 2001-2003 Ximian, Inc
3 * Copyright 2003-2010 Novell, Inc.
5 * Licensed under the MIT license. See LICENSE file in the project root for full license information.
7 #ifndef __MONO_SGEN_MEMORY_GOVERNOR_H__
8 #define __MONO_SGEN_MEMORY_GOVERNOR_H__
11 void sgen_memgov_init (size_t max_heap, size_t soft_limit, gboolean debug_allowance, double min_allowance_ratio, double save_target);
12 void sgen_memgov_release_space (mword size, int space);
13 gboolean sgen_memgov_try_alloc_space (mword size, int space);
15 /* GC trigger heuristics */
16 void sgen_memgov_minor_collection_start (void);
17 void sgen_memgov_minor_collection_end (const char *reason, gboolean is_overflow);
19 void sgen_memgov_major_pre_sweep (void);
20 void sgen_memgov_major_post_sweep (mword used_slots_size);
21 void sgen_memgov_major_collection_start (gboolean concurrent, const char *reason);
22 void sgen_memgov_major_collection_end (gboolean forced, gboolean concurrent, const char *reason, gboolean is_overflow);
24 void sgen_memgov_collection_start (int generation);
25 void sgen_memgov_collection_end (int generation, gint64 stw);
27 gboolean sgen_need_major_collection (mword space_needed);
31 SGEN_ALLOC_INTERNAL = 0,
33 SGEN_ALLOC_ACTIVATE = 2
38 SGEN_LOG_MAJOR_SERIAL,
39 SGEN_LOG_MAJOR_CONC_START,
40 SGEN_LOG_MAJOR_CONC_FINISH,
41 SGEN_LOG_MAJOR_SWEEP_FINISH
51 mword major_size_in_use;
53 mword los_size_in_use;
56 /* OS memory allocation */
57 void* sgen_alloc_os_memory (size_t size, SgenAllocFlags flags, const char *assert_description, MonoMemAccountType type);
58 void* sgen_alloc_os_memory_aligned (size_t size, mword alignment, SgenAllocFlags flags, const char *assert_description, MonoMemAccountType type);
59 void sgen_free_os_memory (void *addr, size_t size, SgenAllocFlags flags, MonoMemAccountType type);
62 void sgen_assert_memory_alloc (void *ptr, size_t requested_size, const char *assert_description);