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
  21 #ifdef LISP_FEATURE_GENCGC
  22 #define PAGE_BYTES GENCGC_PAGE_SIZE
  23 #else
  24 #define PAGE_BYTES BACKEND_PAGE_SIZE
  25 #endif
  26
  27 typedef signed long page_index_t;
  28 typedef signed char generation_index_t;
  29
  30 extern void gc_init(void);
  31 extern void gc_initialize_pointers(void);
  32 extern void collect_garbage(generation_index_t last_gen);
  33 extern void gc_init_tables(void);
  34
  35
  36 #include "os.h"
  37
  38 extern void set_auto_gc_trigger(os_vm_size_t usage);
  39 extern void clear_auto_gc_trigger(void);
  40
  41 #include "fixnump.h"
  42
  43 #include "pseudo-atomic.h"
  44
  45 extern boolean maybe_gc(os_context_t *context);
  46
  47 extern unsigned long bytes_consed_between_gcs;
  48
  49 #endif /* _GC_H_ */