pike.git / src / mapping.h

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pike.git/src/mapping.h:1:   /*   || This file is part of Pike. For copyright information see COPYRIGHT.   || Pike is distributed under GPL, LGPL and MPL. See the file COPYING   || for more information. - || $Id$ +    */      #ifndef MAPPING_H   #define MAPPING_H      #include "svalue.h"   #include "dmalloc.h" - #include "block_alloc_h.h" +       /* Compatible with PIKE_WEAK_INDICES and PIKE_WEAK_VALUES. */   #define MAPPING_WEAK_INDICES 2   #define MAPPING_WEAK_VALUES 4   #define MAPPING_WEAK 6   #define MAPPING_FLAG_WEAK 6 /* Compat. */      struct keypair   {    struct keypair *next;    unsigned INT32 hval;    struct svalue ind, val;   };      struct mapping_data   { -  PIKE_MEMORY_OBJECT_MEMBERS; +  INT32 refs;    INT32 valrefs; /* lock values too */    INT32 hardlinks;    INT32 size, hashsize;    INT32 num_keypairs;    TYPE_FIELD ind_types, val_types;    INT16 flags;    struct keypair *free_list;    struct keypair *hash[1 /* hashsize */ ];    /* struct keypair data_block[ hashsize * AVG_LINK_LENGTH ] */   };      #undef MAPPING_SIZE_DEBUG   /* This debug doesn't work with weak mappings in the gc. */      struct mapping   { -  PIKE_MEMORY_OBJECT_MEMBERS; +  INT32 refs;   #ifdef MAPPING_SIZE_DEBUG    INT32 debug_size;   #endif    struct mapping_data *data;    struct mapping *next, *prev;   };         extern struct mapping *first_mapping;   extern struct mapping *gc_internal_mapping;      #define map_delete(m,key) map_delete_no_free(m, key, 0)   #define m_sizeof(m) ((m)->data->size)   #define m_ind_types(m) ((m)->data->ind_types)   #define m_val_types(m) ((m)->data->val_types)   #define mapping_get_flags(m) ((m)->data->flags)   #define mapping_data_is_shared(m) ((m)->data->refs > 1)      #define MD_KEYPAIRS(MD, HSIZE) \    ( (struct keypair *) \ -  DO_ALIGN( PTR_TO_INT(((struct mapping_data *)(MD))->hash + HSIZE), \ +  DO_ALIGN( PTR_TO_INT(MD) + OFFSETOF(mapping_data, hash) + HSIZE * sizeof(struct keypair *), \    ALIGNOF(struct keypair)) )    -  +  +    #ifndef PIKE_MAPPING_KEYPAIR_LOOP   #define NEW_MAPPING_LOOP(md) \    for((e=0) DO_IF_DMALLOC( ?0:(debug_malloc_touch(md)) ) ;e<(md)->hashsize;e++) for(k=(md)->hash[e];k;k=k->next)      /* WARNING: this should not be used */   #define MAPPING_LOOP(m) \    for((e=0) DO_IF_DMALLOC( ?0:(debug_malloc_touch(m),debug_malloc_touch((m)->data))) ;e<(m)->data->hashsize;e++) for(k=(m)->data->hash[e];k;k=k->next)      #else /* PIKE_MAPPING_KEYPAIR_LOOP */      #define NEW_MAPPING_LOOP(md) \    for(((k = MD_KEYPAIRS(md, (md)->hashsize)), e=0) DO_IF_DMALLOC( ?0:(debug_malloc_touch(md)) ) ; e<(md)->size; e++,k++)      /* WARNING: this should not be used */   #define MAPPING_LOOP(m) \    for(((k = MD_KEYPAIRS((m)->data, (m)->data->hashsize)), e=0) DO_IF_DMALLOC( ?0:(debug_malloc_touch(m),debug_malloc_touch((m)->data)) ) ; e<(m)->data->size; e++,k++)      #endif /* PIKE_MAPPING_KEYPAIR_LOOP */       - void really_free_mapping(struct mapping *md); + PMOD_EXPORT void really_free_mapping(struct mapping *md);      #define inl_free_mapping(M) do{ \    struct mapping *m_=(M); \    debug_malloc_touch(m_); \    DO_IF_DEBUG ( \    DO_IF_PIKE_CLEANUP ( \    if (gc_external_refs_zapped) \    gc_check_zapped (m_, PIKE_T_MAPPING, __FILE__, __LINE__))); \    if(!sub_ref(m_)) \    really_free_mapping(m_); \
pike.git/src/mapping.h:127:    * @see mapping    */   #define free_mapping_data(M) do{ \    struct mapping_data *md_=(M); \    debug_malloc_touch(md_); \    if(!sub_ref(md_)) really_free_mapping_data(md_); \    /* FIXME: What about valrefs & hardlinks? */ \   }while(0)      /* Prototypes begin here */ - BLOCK_ALLOC_FILL_PAGES(mapping, 2); + void really_free_mapping(struct mapping * m); + void count_memory_in_mappings(size_t * num, size_t * size);                -  + void mapping_free_keypair(struct mapping_data *md, struct keypair *k);      PMOD_EXPORT struct mapping *debug_allocate_mapping(int size);      /** Function that actually frees the mapping data, called by the wrapper    * macro free_mapping_data.    *    * @param M The mapping structure data member of the mapping whose data is to be removed    * @see free_mapping    * @see really_free_mapping_data    * @see mapping_data
pike.git/src/mapping.h:366:    struct mapping *p);   PMOD_EXPORT void mapping_search_no_free(struct svalue *to,    struct mapping *m,    const struct svalue *look_for,    const struct svalue *key );   PMOD_EXPORT INT32 mapping_generation(struct mapping *m);   #ifdef PIKE_DEBUG   void check_mapping(const struct mapping *m);   void check_all_mappings(void);   #endif - PMOD_EXPORT void visit_mapping (struct mapping *m, int action); + PMOD_EXPORT void visit_mapping (struct mapping *m, int action, void *extra);   void gc_mark_mapping_as_referenced(struct mapping *m);   void real_gc_cycle_check_mapping(struct mapping *m, int weak);   unsigned gc_touch_all_mappings(void);   void gc_check_all_mappings(void);   void gc_mark_all_mappings(void);   void gc_cycle_check_all_mappings(void);   void gc_zap_ext_weak_refs_in_mappings(void);   size_t gc_free_all_unreferenced_mappings(void);   void simple_describe_mapping(struct mapping *m);   void debug_dump_mapping(struct mapping *m);   int mapping_is_constant(struct mapping *m,    struct processing *p); -  + void free_all_mapping_blocks(void); +  + void o_append_mapping( INT32 args );   /* Prototypes end here */      #define allocate_mapping(X) dmalloc_touch(struct mapping *,debug_allocate_mapping(X))    - #define visit_mapping_ref(M, REF_TYPE) \ + #define visit_mapping_ref(M, REF_TYPE, EXTRA) \    visit_ref (pass_mapping (M), (REF_TYPE), \ -  (visit_thing_fn *) &visit_mapping, NULL) +  (visit_thing_fn *) &visit_mapping, (EXTRA))   #define gc_cycle_check_mapping(X, WEAK) \    gc_cycle_enqueue((gc_cycle_check_cb *) real_gc_cycle_check_mapping, (X), (WEAK))      #endif /* MAPPING_H */