src/common/blist.hpp

Idź do dokumentacji tego pliku.

/* header file for src/common/blist.cpp */

#ifndef _CORE_COMMON_BLIST_HPP
#define _CORE_COMMON_BLIST_HPP

//necessary includes
// #include "src/memory/heap.hpp"
#include "src/ipc/lock.hpp"

namespace Memory{namespace Heap{
        class heapbox; } }
//for getting out the data
#define bli_dt(item,type)       ((type) ((blist_s*) item ) -> data )

/*an element definition*/
struct blist_s
 {
        blist_s *prev;
        blist_s *next;
        class blist_t *tree;    //another branch?

        uint32 size;
        void *data;

//debug
        const char *func, *file;        //the function name, which created this element
        uint32 line;
 };

class blist_t
 {
private:
        IPC::Lock::lock_t lock_blist;   //lock
        friend struct blist_s *blistsort_link(blist_t *list, blist_s *item, int(*compar)(const void*,const void*), blist_s *head);
public:
        blist_s *head, *tail;
        uint32 facility;        //element type
        class Memory::Heap::heapbox *heap;      //the heap

        void init (uint32 fac); //init
        void init (uint32 fac, class Memory::Heap::heapbox *hp);//init
        void init (const char *name, class Memory::Heap::heapbox *hp);//init
        void done();    //destroy all

        blist_s *add(void *data, size_t size, blist_t *tree);
        blist_s *find(void *data);
        int del(blist_s *obj);

        blist_s *move(blist_s *obj, blist_t *dest);     //move an object to another list
        blist_s *link(blist_s *obj);    //link an object to the list
        blist_s *unlink(blist_s *obj);  //unlink

        blist_s *ptr(void *data, blist_t *tree);        //add a pointer to an object
 };

#define BLISTADD(blist,data,size,tree)  do {                            \
                                        struct blist_s __TEMPx14BL;     \
                                                __TEMPx14BL= blist.add(data,size,tree);         \
                                                __TEMPx14BL.func=__func__;\
                                                __TEMPx14BL.file=__file__;\
                                                __TEMPx14BL.line=__line__;              \
                                        } while(0)

#define BLISTPTR(blist,data,tree)       do {                            \
                                        struct blist_s __TEMPx14BL;     \
                                                __TEMPx14BL= blist.add(data,tree);              \
                                                __TEMPx14BL.func=__func__;\
                                                __TEMPx14BL.file=__file__;\
                                                __TEMPx14BL.line=__line__;              \
                                        } while(0)

#endif

---