mono/sgen/sgen-memory-governor.h

   1 /*
   2  * Copyright 2001-2003 Ximian, Inc
   3  * Copyright 2003-2010 Novell, Inc.
   4  *
   5  * Licensed under the MIT license. See LICENSE file in the project root for full license information.
   6  */
   7 #ifndef __MONO_SGEN_MEMORY_GOVERNOR_H__
   8 #define __MONO_SGEN_MEMORY_GOVERNOR_H__
   9
  10 /* Heap limits */
  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);
  14
  15 /* GC trigger heuristics */
  16 void sgen_memgov_minor_collection_start (void);
  17 void sgen_memgov_minor_collection_end (void);
  18
  19 void sgen_memgov_major_pre_sweep (void);
  20 void sgen_memgov_major_post_sweep (void);
  21 void sgen_memgov_major_collection_start (void);
  22 void sgen_memgov_major_collection_end (gboolean forced);
  23
  24 void sgen_memgov_collection_start (int generation);
  25 void sgen_memgov_collection_end (int generation, GGTimingInfo* info, int info_count);
  26
  27 gboolean sgen_need_major_collection (mword space_needed);
  28
  29
  30 typedef enum {
  31         SGEN_ALLOC_INTERNAL = 0,
  32         SGEN_ALLOC_HEAP = 1,
  33         SGEN_ALLOC_ACTIVATE = 2
  34 } SgenAllocFlags;
  35
  36 /* OS memory allocation */
  37 void* sgen_alloc_os_memory (size_t size, SgenAllocFlags flags, const char *assert_description);
  38 void* sgen_alloc_os_memory_aligned (size_t size, mword alignment, SgenAllocFlags flags, const char *assert_description);
  39 void sgen_free_os_memory (void *addr, size_t size, SgenAllocFlags flags);
  40
  41 /* Error handling */
  42 void sgen_assert_memory_alloc (void *ptr, size_t requested_size, const char *assert_description);
  43
  44 #endif
  45