src/runtime/gc.h

   1 /*
   2  * garbage collection
   3  */
   4
   5 /*
   6  * This software is part of the SBCL system. See the README file for
   7  * more information.
   8  *
   9  * This software is derived from the CMU CL system, which was
  10  * written at Carnegie Mellon University and released into the
  11  * public domain. The software is in the public domain and is
  12  * provided with absolutely no warranty. See the COPYING and CREDITS
  13  * files for more information.
  14  */
  15
  16 #ifndef _GC_H_
  17 #define _GC_H_
  18
  19 #include "sbcl.h"
  20 #include <stdint.h>
  21
  22 #define PAGE_BYTES BACKEND_PAGE_BYTES
  23
  24 typedef intptr_t page_index_t;
  25 #ifdef LISP_FEATURE_WIN32
  26 #define PAGE_INDEX_FMT "Id"
  27 #else
  28 #define PAGE_INDEX_FMT "ld"
  29 #endif
  30
  31 typedef signed char generation_index_t;
  32
  33 extern void gc_init(void);
  34 extern void gc_initialize_pointers(void);
  35 extern void collect_garbage(generation_index_t last_gen);
  36 extern void gc_init_tables(void);
  37
  38
  39 #include "os.h"
  40
  41 extern void set_auto_gc_trigger(os_vm_size_t usage);
  42 extern void clear_auto_gc_trigger(void);
  43
  44 #include "fixnump.h"
  45
  46 extern boolean maybe_gc(os_context_t *context);
  47
  48 extern os_vm_size_t bytes_consed_between_gcs;
  49
  50 #endif /* _GC_H_ */