--- libaitsess/inc/aitsess.h 2012/02/27 21:18:31 1.4.2.2 +++ libaitsess/inc/aitsess.h 2012/02/28 12:58:10 1.4.2.7 @@ -3,7 +3,7 @@ * by Michael Pounov * * $Author: misho $ -* $Id: aitsess.h,v 1.4.2.2 2012/02/27 21:18:31 misho Exp $ +* $Id: aitsess.h,v 1.4.2.7 2012/02/28 12:58:10 misho Exp $ * ************************************************************************** The ELWIX and AITNET software is distributed under the following @@ -12,7 +12,7 @@ terms: All of the documentation and software included in the ELWIX and AITNET Releases is copyrighted by ELWIX - Sofia/Bulgaria -Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 +Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 by Michael Pounov . All rights reserved. Redistribution and use in source and binary forms, with or without @@ -72,7 +72,6 @@ SUCH DAMAGE. struct tagAlloc { char alloc_name[MAX_ATTRIBUTE]; - volatile unsigned int alloc_flags; unsigned int *alloc_mem; @@ -96,7 +95,6 @@ typedef struct _tagMPool { struct { unsigned long max; unsigned long curr; - unsigned long inact; } pool_quota; /* pool buckets */ @@ -106,6 +104,9 @@ typedef struct _tagMPool { #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 { @@ -152,9 +153,10 @@ 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(void); +mpool_t *mpool_init(unsigned long maxmem); /* * mpool_destroy() - Destroy memory pool * @@ -163,6 +165,14 @@ mpool_t *mpool_init(void); */ 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 @@ -191,6 +201,17 @@ int mpool_free(mpool_t * __restrict mp, void * __restr */ 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 @@ -199,6 +220,46 @@ int mpool_free2(mpool_t * __restrict mp, unsigned int * 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); /*