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Diff for /libaitsess/inc/aitsess.h between versions 1.4 and 1.5

version 1.4, 2012/02/10 23:38:30 version 1.5, 2012/02/28 13:00:24
Line 12  terms: Line 12  terms:
 All of the documentation and software included in the ELWIX and AITNET  All of the documentation and software included in the ELWIX and AITNET
 Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org>  Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org>
   
Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
         by Michael Pounov <misho@elwix.org>.  All rights reserved.          by Michael Pounov <misho@elwix.org>.  All rights reserved.
   
 Redistribution and use in source and binary forms, with or without  Redistribution and use in source and binary forms, with or without
Line 47  SUCH DAMAGE. Line 47  SUCH DAMAGE.
 #define __AITSESS_H  #define __AITSESS_H
   
   
   #include <pthread.h>
 #include <assert.h>  #include <assert.h>
 #include <semaphore.h>  #include <semaphore.h>
 #include <sys/types.h>  
 #include <aitio.h>  #include <aitio.h>
   
 #define SHARED_UNKNOWN  -1  #define SHARED_UNKNOWN  -1
Line 66  SUCH DAMAGE. Line 66  SUCH DAMAGE.
 #define MAX_ATTRIBUTE   64  #define MAX_ATTRIBUTE   64
 #define MAX_SEMNAME     14  #define MAX_SEMNAME     14
   
   /* Memory pool */
   
   #define MEM_BUCKETS     28      /* 32 bits - 4 bits = 28 items in bucket array */
   
   struct tagAlloc {
           char                    alloc_name[MAX_ATTRIBUTE];
   
           unsigned int            *alloc_mem;
   
           TAILQ_ENTRY(tagAlloc)   alloc_node;
   };
   typedef TAILQ_HEAD(, tagAlloc) mpool_bucket_t;
   
   typedef struct _tagMPool {
           pthread_mutex_t pool_mtx;
   
           struct {
                   unsigned long alloc;
                   unsigned long free;
                   unsigned long cache;
           } pool_calls;
           struct {
                   unsigned long alloc;
                   unsigned long free;
                   unsigned long cache;
           } pool_bytes;
           struct {
                   unsigned long max;
                   unsigned long curr;
           } pool_quota;
   
           /* pool buckets */
           mpool_bucket_t  pool_active[MEM_BUCKETS];
           mpool_bucket_t  pool_inactive[MEM_BUCKETS];
   } mpool_t;
   #define mpool_lock(x)   (assert((x)), pthread_mutex_lock(&(x)->pool_mtx))
   #define mpool_unlock(x) (assert((x)), pthread_mutex_unlock(&(x)->pool_mtx))
   
   typedef void (*mpool_stat_cb)(unsigned int, unsigned int, unsigned int);
   
   
   /* Shared memory session */
   
 typedef struct tagSess {  typedef struct tagSess {
         key_t   key;          key_t   key;
         char    type;          char    type;
Line 106  inline const char *sess_GetError(); Line 148  inline const char *sess_GetError();
 // sess_SetErr() Set error to variables for internal use!!!  // sess_SetErr() Set error to variables for internal use!!!
 inline void sess_SetErr(int eno, char *estr, ...);  inline void sess_SetErr(int eno, char *estr, ...);
 // -------------------------------------------------------  // -------------------------------------------------------
   
   
   /*
    * mpool_init() - Init memory pool
    *
    * @maxmem = If !=0 set maximum memory quota
    * return: =NULL error or !=NULL new allocated pool
    */
   mpool_t *mpool_init(unsigned long maxmem);
   /*
    * mpool_destroy() - Destroy memory pool
    *
    * @mp = Memory pool
    * return: none
    */
   void mpool_destroy(mpool_t ** __restrict mp);
   /*
    * mpool_purge() - Purge memory block cache and release resources
    *
    * @mp = Memory pool
    * @atmost = Free at most in buckets
    * return: -1 error or 0 ok
    */
   int mpool_purge(mpool_t * __restrict mp, unsigned int atmost);
   /*
    * mpool_malloc() - Memory allocation
    *
    * @mp = Memory pool
    * @size = Size
    * @memname = Optional memory block name
    * return: NULL error or !=NULL ok allocated memory
    */
   void *mpool_malloc(mpool_t * __restrict mp, unsigned int size, const char *memname);
   /*
    * mpool_free() Free allocated memory with mpool_alloc()
    *
    * @mp = Memory pool
    * @data = Allocated memory data
    * @purge = if !=0 force release memory block
    * return: <0 error or 0 ok released memory block
    */
   int mpool_free(mpool_t * __restrict mp, void * __restrict data, int purge);
   /*
    * mpool_free2() Free allocated memory with mpool_alloc() by size and memory name
    *
    * @mp = Memory pool
    * @size = Allocated memory data size
    * @memname = Memory name
    * @purge = if !=0 force release memory block
    * return: <0 error or 0 ok released memory block
    */
   int mpool_free2(mpool_t * __restrict mp, unsigned int size, const char *memname, int purge);
   /*
    * mpool_realloc() Reallocate memory block with new size
    *
    * @mp = Memory pool
    * @data = Allocated memory data
    * @newsize = New size of memory block
    * @memname = Optional new memory block name
    * return: NULL error or !=NULL new reallocated memory block
    */
   void *mpool_realloc(mpool_t * __restrict mp, void * __restrict data, 
                   unsigned int newsize, const char *memname);
   /*
    * mpool_getmembynam() Find allocated memory block by size and memory name
    *
    * @mp = Memory pool
    * @size = Memory size
    * @memname = Memory name
    * return: NULL error or not found and !=NULL allocated memory 
    */
   inline struct tagAlloc *mpool_getmembynam(mpool_t * __restrict mp, unsigned int size, const char *memname);
   /*
    * mpool_getsizebyaddr() - Get size of allocated memory block by address
    *
    * @data = allocated memory from mpool_malloc()
    * return: usable size of allocated memory block
    */
   inline unsigned int mpool_getsizebyaddr(void * __restrict data);
   /*
    * mpool_chkaddr() - Check validity of given address
    *
    * @data = allocated memory from mpool_malloc()
    * return: -1 bad address, 1 corrupted address or 0 ok
    */
   inline int mpool_chkaddr(void * __restrict data);
   /*
    * mpool_setquota() - Change maximum memory quota
    *
    * @mp = Memory pool
    * @maxmem = New max quota size
    * return: old maximum memory quota size
    */
   inline unsigned long mpool_setquota(mpool_t * __restrict mp, unsigned long maxmem);
   /*
    * mpool_getquota() - Get memory quota
    *
    * @mp = Memory pool
    * @currmem = Return current memory
    * @maxmem = Return max quota size
    * return: none
    */
   inline void mpool_getquota(mpool_t * __restrict mp, unsigned long *currmem, 
                   unsigned long *maxmem);
   /*
    * mpool_statistics() - Dump statistics from memory pool buckets
    *
    * @mp = Memory pool
    * @cb = Export statistics to callback
    * return: none
    */
   void mpool_statistics(mpool_t * __restrict mp, mpool_stat_cb cb);
   
   
 /*  /*
Removed from v.1.4  
changed lines
  Added in v.1.5

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